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Arabian

Arabian

Elite Mentor
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I bought an 07 DTS with the 275 northstar and would like to pua cold air intact on it as well as a few minor mods.. how involoved is installing a cold air intact? what else can I do that will enbale an increase in hp bout not decrease mileages.... Im not looking for anything drastic, thanks
 
cold air intakes are usually pretty easy. . .direct bolt-on. . .couple hours work max. . .

you can also go with a cat-back exhaust (to get the most from your intake, you gotta loosen up the exhaust a little too. . .your engine is an "airpump". . .if you make it easier for the air to get in, you ought to make it easier for it to get out too). . .you may also want to look in to an aftermarket mass airflow sensor too. . .

with those three items you'll definitely get a noticeable kick in the pants. . .plus it will sound bitchin'. . .
 
Most performance mods don't help the fuel mileage at all. The three things mentioned above shouldn't hurt it much if it does at all.

How long it takes depends on you.
 
arabian, i tried a K&N air filter on my grand marquis and my lincoln town car....i cannot tell much (if any!) change in performance OR gas milage.

for whatever it's worth.......
 
im pretty sure a good intake helps gas milleage .. could be wrong
 
The filter itself isn't going to do much at all. If you can find a reputable company that makes a CAI for your car that will help. A catback exaust will also help. You can check to see if they make a power programmer for your car also, but I doubt it. all of those are "bolt on" mods and can be done with a basic set of tools.


Or..Trade the DTS in on a CTS-V :D:D:D
 
Dude it's a DTS, why bother? You got an old man's car, just drive it like an old man and you'll do fine.
 
To my knowledge they don't make a bolt-on cold air intake or aftermarket exhaust for your specific vehicle, but I could be wrong. However they do sell do-it-yourself kits to custom make your own cold air intake very easily. Also Corsa makes an aftermarket exhaust for the 05 that "may" work for the 07 with a little custom work, or just have a reputable shop fab an exhaust system up for you.
 
perhaps hypertech makes a computer re-program cd for your car? check on ebaymotors parts& accessories?
 
be advised that most "cold air intake" kits increase the amount of sucking noise...a most un-caddy like sound..
 
I would wait for atleast 6 months until you do any alteration my friend!
As stated above I didn't see any alterations you mentioned available but I didn't want to get pwoned for my lack of googability!
 
rnch said:
arabian, i tried a K&N air filter on my grand marquis and my lincoln town car....i cannot tell much (if any!) change in performance OR gas milage.

for whatever it's worth.......
Click to expand...

for performance. . .quarter it before and after. . .some place that has electronics. . .do 10 passes each. . .or do before and after on a chassis dyno. . .that stuff isn't nearly as expensive as it was a few years ago. . .lots of speed shops have them (chassis dyno's)now. . .
 
a monkey could do it with his eyes closed.
 
you're not going to notice any benefits from that. for every part you buy you have to buy something else to "help" the gains promised for just that one part you bought. example: cold air intake gained 12hp. never in a million years... with a maf/throttle body and a tune. i'll give it the 12hp rating but with those extra parts you just spent close to or over a grand for 12 hp you won't notice or feel. don't know what your intentions with the car are but you'd be better off just dropping a k&n filter in it and worrying about something else on it.
 
mustang_00 said:
you're not going to notice any benefits from that. for every part you buy you have to buy something else to "help" the gains promised for just that one part you bought. example: cold air intake gained 12hp. never in a million years... with a maf/throttle body and a tune. i'll give it the 12hp rating but with those extra parts you just spent close to or over a grand for 12 hp you won't notice or feel. don't know what your intentions with the car are but you'd be better off just dropping a k&n filter in it and worrying about something else on it.
Click to expand...

not true bro, not true at all. i have seen MANY MANY dyno graphs and dyno pulls in person to prove what you just said wrong. a filter/intake can open up the "breathing" ability of a vehicle greatly. most MAF sensor (depending on vehicle) can handle WAY more air flow than the stock intake will allow.
 
mwm5 said:
not true bro, not true at all. I have seen many many dyno graphs and dyno pulls in person to prove what you just said wrong. A filter/intake can open up the "breathing" ability of a vehicle greatly. Most maf sensor (depending on vehicle) can handle way more air flow than the stock intake will allow.
Click to expand...

+1
 
mwm5 said:
not true bro, not true at all. i have seen MANY MANY dyno graphs and dyno pulls in person to prove what you just said wrong. a filter/intake can open up the "breathing" ability of a vehicle greatly. most MAF sensor (depending on vehicle) can handle WAY more air flow than the stock intake will allow.
Click to expand...

i didn't say it won't help the engine breath. i said he's not going to notice it... if a stock ecu is not set up to "breath" it will have a reverse effect. the maf will tell the ecu more air is coming in and the ecu will add more fuel to the mix resulting in minimum mpg gains if any. the gains aren't noticeable (besides hearing it suck air in) regardless. the gains are there on paper but actually feeling the extra few hp via driving, it's all mental.

i'd put money that if he does get a CAI he'll lose 1-2 mpg than doing a filter swap. cars come from the factory and have to meet the CAFE standards for fuel efficiency. in other words they're VERY restricted breathing wise. more air= more hp but more air isn't always a good thing when mpg is wanted more than hp.
 
I agree with both of you guys. But the truth of the matter is, a CAI in a 6000 lbs caddy isnt gonna feel like anything....It'll sound really good, and make him jam on the gas more, and there goes any percieved fuel economy.
 
chris302001 said:
I agree with both of you guys. But the truth of the matter is, a CAI in a 6000 lbs caddy isnt gonna feel like anything....It'll sound really good, and make him jam on the gas more, and there goes any percieved fuel economy.
Click to expand...

exactly.... it's really trial and error. its his car so do what you want. it dresses up the engine bay quite nicely... i actually did the mpg mods which ironically are hp mods too. CAI,ud pulley,full exhaust in my truck and get 17 city last time i drove up to d block i averaged 25 hwy on the way up and 27 on the way back!? depends how you drive but for a 5.7L hemi that ain't bad at all. is the northstar still the 4.6L???
 
chris302001 said:
.... But the truth of the matter is, a CAI in a 6000 lbs caddy isnt gonna feel like anything....It'll sound really good, and make him jam on the gas more, and there goes any percieved fuel economy.
Click to expand...
yup!
 
mustang_00 said:
exactly.... it's really trial and error. its his car so do what you want. it dresses up the engine bay quite nicely... i actually did the mpg mods which ironically are hp mods too. CAI,ud pulley,full exhaust in my truck and get 17 city last time i drove up to d block i averaged 25 hwy on the way up and 27 on the way back!? depends how you drive but for a 5.7L hemi that ain't bad at all. is the northstar still the 4.6L???
Click to expand...

5.7L 4x4 truck...27hwy?


BULLSHIT!!!!!!
 
miplank said:
5.7L 4x4 truck...27hwy?


BULLSHIT!!!!!!
Click to expand...

with no mods at all (other than a bed cover) i got over 25mpg highway with my 4x4 gmc sierra regular cab (pre-kids) with a 4.8L vortec. . .and my 4x4 suburban (also no mods) gets 20mpg highway with a 5.3L vortec. . .no bullshit. . .

however, i too doubt his mileage claims. . .dodge and ford (gasoline) motors don't come close to chevy when it comes to making power and getting decent mileage. . .
 
Dont do performance mods that will hurt your torque. Horsepower increases in a car that weighs that much aren't worth it if it drops the torque.
 
digimon7068 said:
with no mods at all (other than a bed cover) i got over 25mpg highway with my 4x4 gmc sierra regular cab (pre-kids) with a 4.8L vortec. . .and my 4x4 suburban (also no mods) gets 20mpg highway with a 5.3L vortec. . .no bullshit. . .

however, i too doubt his mileage claims. . .dodge and ford (gasoline) motors don't come close to chevy when it comes to making power and getting decent mileage. . .
Click to expand...

you like that 327 in the suburban???? my dad had a silverado w/ that engine (i think it was an 04) and it was quick! Better than the 350
 
chris302001 said:
you like that 327 in the suburban???? my dad had a silverado w/ that engine (i think it was an 04) and it was quick! Better than the 350
Click to expand...

it's stroked version of the 4.8. . .so the weight difference is nominal. . .and yeah. . .it makes good power. . .and "right now". . .doesn't have any problem pushing the ocean-going grocery-getter around :)

nqs0v8.jpg
 
miplank said:
5.7L 4x4 truck...27hwy?


BULLSHIT!!!!!!
Click to expand...

that's what i thought too. maybe the compass/fuel economy computer on top is broken!? i'm going to monitor the mileage AND the computer next time to see how much difference there is between them. i'm not claiming those mods made it shoot up that much. i'm just saying thats what the computer read last time. but the trip home was pretty much down hill and i set the cruise 10mph under the speed limit so maybe it was possible.
 
chris302001 said:
I agree with both of you guys. But the truth of the matter is, a CAI in a 6000 lbs caddy isnt gonna feel like anything....It'll sound really good, and make him jam on the gas more, and there goes any percieved fuel economy.
Click to expand...


How 'bout in a 4009 lb. Caddy?

'Cause that's the advertised curb weight of a DTS...
 
Mr. dB said:
How 'bout in a 4009 lb. Caddy?

'Cause that's the advertised curb weight of a DTS...
Click to expand...

really? the registration on my 06 Sonata is listed at 5999 so I was just guestimating...




EDIT: sO I looked my car up and curb wt is 3458.......wtf does my registration say 5999?


And no puddles I dont weight THAT much.....
 
chris302001 said:
really? the registration on my 06 Sonata is listed at 5999 so I was just guestimating...




EDIT: sO I looked my car up and curb wt is 3458.......wtf does my registration say 5999?


And no puddles I dont weight THAT much.....
Click to expand...

judging from your anne hash avi pic you don't weigh over 110... did your vehicle come with dead hookers in the trunk???
 
mustang_00 said:
that's what i thought too. maybe the compass/fuel economy computer on top is broken!? i'm going to monitor the mileage AND the computer next time to see how much difference there is between them. i'm not claiming those mods made it shoot up that much. i'm just saying thats what the computer read last time. but the trip home was pretty much down hill and i set the cruise 10mph under the speed limit so maybe it was possible.
Click to expand...

haha...don't trust the digital compass/economy monitor.



Dodge couldn't make a hybrid that would get 27MPG. LOL.


Dodge has never been one for making efficient vehicles. They make a lot of power, but lack in fuel economy.
 
miplank said:
haha...don't trust the digital compass/economy monitor.



Dodge couldn't make a hybrid that would get 27MPG. LOL.


Dodge has never been one for making efficient vehicles. They make a lot of power, but lack in fuel economy.
Click to expand...

pfft. . .fords are even worse. . .they have the lowest (per litre) hp and the worst fuel economy (on regular prodcution vehicles anyway). . .
 
digimon7068 said:
pfft. . .fords are even worse. . .they have the lowest (per litre) hp and the worst fuel economy (on regular prodcution vehicles anyway). . .
Click to expand...

lol...I'm still having a hard time believing you got 20 in your burb.


was it empty? were you going 55 mph? tail wind? hehe
 
miplank said:
lol...I'm still having a hard time believing you got 20 in your burb.


was it empty? were you going 55 mph? tail wind? hehe
Click to expand...

to be honest. . .here in the "heart of the alleghenies", it doesn't do quite that good. . .but on our trip to disney (florida). . .on flat highways. . .cruising at 70mph. . .yup. . .20mpg. . .all day long. . .
 
Ok I didn't read all of the posts but I am quite experienced with modifying cars so heres my input. A cold air intake is a nice performance mod for naturally aspirated engines. It will actually increase your mileage by increasing the efficiency of the engine. More air in is complimented by more air out which would be a catback exhaust and maybe headers if youre looking to spend a lil dough. Together those mods will increse responsiveness, torque, horsepower and fuel efficiency. It should take around 3 to 4 hours to install the intake and exhaust if you do it yourself, barring any unseen problems or stupid design on the manufacturers part (bolts you need THE tool to get off)
 
Six8 said:
Ok I didn't read all of the posts but I am quite experienced with modifying cars so heres my input. A cold air intake is a nice performance mod for naturally aspirated engines. It will actually increase your mileage by increasing the efficiency of the engine. More air in is complimented by more air out which would be a catback exhaust and maybe headers if youre looking to spend a lil dough. Together those mods will increse responsiveness, torque, horsepower and fuel efficiency. It should take around 3 to 4 hours to install the intake and exhaust if you do it yourself, barring any unseen problems or stupid design on the manufacturers part (bolts you need THE tool to get off)
Click to expand...

lol...It won't increase your mileage that much. Hell..I bet he won't even notice. You will get a lil throttle response, and a cool sound.

But really..it doesn't do much. Not by itself anyways.
 
miplank said:
lol...It won't increase your mileage that much. Hell..I bet he won't even notice. You will get a lil throttle response, and a cool sound.

But really..it doesn't do much. Not by itself anyways.
Click to expand...
yep!
 
Six8 said:
Ok I didn't read all of the posts but I am quite experienced with modifying cars so heres my input. A cold air intake is a nice performance mod for naturally aspirated engines. It will actually increase your mileage by increasing the efficiency of the engine. More air in is complimented by more air out which would be a catback exhaust and maybe headers if youre looking to spend a lil dough. Together those mods will increse responsiveness, torque, horsepower and fuel efficiency. It should take around 3 to 4 hours to install the intake and exhaust if you do it yourself, barring any unseen problems or stupid design on the manufacturers part (bolts you need THE tool to get off)
Click to expand...

I'm concerned about a potential decrease in engine longevity. There's no way around the fact that K&N filters flow better because they allow larger particles to pass through. I'd be interested in seeing what the piston rings look like after 60K miles?
 
Mr. dB said:
I'm concerned about a potential decrease in engine longevity. There's no way around the fact that K&N filters flow better because they allow larger particles to pass through. I'd be interested in seeing what the piston rings look like after 60K miles?
Click to expand...

lol....


are you kidding? Nothing is going to get through that filter. Go compare a stock filter to a k&n..your stock filter is garbage.
 
Mr. dB said:
I'm concerned about a potential decrease in engine longevity. There's no way around the fact that K&N filters flow better because they allow larger particles to pass through. I'd be interested in seeing what the piston rings look like after 60K miles?
Click to expand...

Thats not true they use better materials which allow more flow while still filtering the air. Not to mention being larger surace area as well. As for the naysayers, they are the same people telling you that turbo motors blow after 80k and 8 cyls rule all. My credentials are owning a 2 liter 400 all wheel horsepower car that gets 26-28 mpg that was daily driven for 40k miles.
 
ill see if i can find the videos then since you call bullshit. 400 hp is attainable for under 2k with a turbo eclipse and the stock internals handle it. youtube gsx dsm or 4g63 then maybe you wont be so skepticle. domestic fanboys are always so close minded.
 
Without nitrous?

Surely then you've got a copy of the dyno chart?
 
Let me look through my paperwork and ill scan it. You know the record for the 4g63 motor all turbo is somewhere around 1000 hp right? people dont even use spray for power on these cars they use it to spool up massive turbos. I was using a 20g at 32 PSI which hit full boost at around 3800 RPM so never had a need for the bottle. Looking for my pics vids n dyno sheet as we speak I am not bullshitting anyone on here thats not me
 
BMW got close to 1500 HP out of 1500cc turbocharged stock-block four cylinder engines back in the 1980s. That's what they were running in F1 during the turbo years.

The blocks came out of used BMW 316i cars owned by BMW employees, as part of a factory trade-in/buy-back program.
 
Heres the first dyno, it was on a dynojet at around 75 degrees with minimal humidity. Later that week I went back and got another 3 whp out of it and increased spool by a few hundred rpms. My buddys got a vid of me going 11.58 at englishtown I'm gonna ask him to upload it to youtube.
 
Mr. dB said:
BMW got close to 1500 HP out of 1500cc turbocharged stock-block four cylinder engines back in the 1980s. That's what they were running in F1 during the turbo years.

The blocks came out of used BMW 316i cars owned by BMW employees, as part of a factory trade-in/buy-back program.
Click to expand...

Thats insane and shows what a nice tune n turbo can do. After the twin turbo 300zx dominated one of the national racing cups that I can't remember the name of they outlawed the twin turbos. Gotta love boost.
 
Six8 said:
Heres the first dyno, it was on a dynojet at around 75 degrees with minimal humidity. Later that week I went back and got another 3 whp out of it and increased spool by a few hundred rpms. My buddys got a vid of me going 11.58 at englishtown I'm gonna ask him to upload it to youtube.
Click to expand...

damn. . .that's gettin'er done son. . .i'd like to see the vid. . .link when you have it. . .
 
Mr. dB said:
BMW got close to 1500 HP out of 1500cc turbocharged stock-block four cylinder engines back in the 1980s. That's what they were running in F1 during the turbo years.

The blocks came out of used BMW 316i cars owned by BMW employees, as part of a factory trade-in/buy-back program.
Click to expand...

all the magic is in the heads. . .
 
Six8 said:
Yea Can you imagine the port work if they modified the stock one? I did my own port work on my exhaust manifold and it took like 6 hours total and 4 dremel bits.
Click to expand...

No way they could have got that with a ported stock 3-series BMW head. Those things were SOHC and 2 valves/cylinder at the time.
 
Arabian said:
I bought an 07 DTS with the 275 northstar and would like to pua cold air intact on it as well as a few minor mods.. how involoved is installing a cold air intact? what else can I do that will enbale an increase in hp bout not decrease mileages.... Im not looking for anything drastic, thanks
Click to expand...

Nice car!!!

BTW. Did you know Arabian helped a member's sister acheive her dream of owning a red corvette?
 
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