Intake and underdrive pulleys

00Blackgtvert · Apr 12, 2005

I just got some money for my birthday and i was thinkin of putting in a new cold air intake and underdrive pulleys. Any suggestions on what the best company to go with would be?

Conv99GT · Apr 12, 2005

steeda on the pullies, and nothing on cold air intake

Steve777 · Apr 12, 2005

Steeda pullies are good ...and I would just get a K&N air filter instead of the CAI ...they won't give you additional gains over just the filter unless you get a new MAF sensor too ...basically they just look nicer

Tylerb59 · Apr 12, 2005

Steeda UDP was one of the first mods for this ride, pretty cool.

Not a huge gain but everything collectively adds up.

02BlkStang · Apr 12, 2005

Ya, stay away from any CAI intake, lots of mixed opinions on pullies.

Personally, I'd order a Diablo Predator and save for 4.10's and the install price.

CanadaStang · Apr 12, 2005

Steve777 said:
CAI ...they won't give you additional gains over just the filter unless you get a new MAF sensor too

edswhite99 · Apr 12, 2005

I just installed my JLT CAI this past weekend. I got a good deal on it (200 for the complete "kit"). I've noticed that it runs a little smoother and picks up just a little bit quicker, oh yeah, and it looks very nice too. I'm also hoping to pick up a few mpg's as well. But I wont be able to see those improvements for another couple of weeks, as the 'puter "re-configures" itself taking into account the recent addition of the h-pipe, catback and CAI.

97gtblue · Apr 12, 2005

i have mac u/d pullies, should i get another brand instead

Steve777 · Apr 12, 2005

CanadaStang said:

maybe I should say "noticeable" gains. They will be very minimal with just the CAI alone. Upgrading the mass air unit is the best way to get the full benefit of the cold air and I don't believe most CAI setups come with a new one

kev1919 · Apr 13, 2005

i have a bbk cold air kit for sale 70 bucks its yours only 2 months old no scratchs email me if your interested krichard281@yahoo.com

StangPro · Apr 13, 2005

Steve777 said:
Steeda pullies are good ...and I would just get a K&N air filter instead of the CAI ...they won't give you additional gains over just the filter unless you get a new MAF sensor too ...basically they just look nicer

What??
We've proven that a drop-in k&N is useless and a CAI can add some decent HP. Where are your numbers?

http://www.stangpro.com/html/articles/tunableinduction.htm

Steeda pulleys are the only ones to use with the oil pump issues the cars have.
For CAI, DeMolet makes the most power and the JLT is very nice as it come be had painted the same as the car. The key is to avoid the metal systems.

trinity_gt · Apr 13, 2005

StangPro said:
What??
We've proven that a drop-in k&N is useless and a CAI can add some decent HP. Where are your numbers?

Yep...the first mod I did my GT, a K&N FIPK-II, gave quite impressive results:

http://home.golden.net/~trinity/Dyno/kndyno.jpg

Steeda pulleys are the only ones to use with the oil pump issues the cars have.

I feel okay with the March piggy backs too since they preserve the factory damper. Got okay gains from these too:

http://home.golden.net/~trinity/Dyno/pulleysdyno.jpg

(plot shows gains over stock; includes K&N intake...pulleys netted about 4.5 hp & 7.1 ft-lbs themselves)

schiccc · Apr 13, 2005

StangPro said:
What??
We've proven that a drop-in k&N is useless and a CAI can add some decent HP. Where are your numbers?

http://www.stangpro.com/html/articles/tunableinduction.htm

Steeda pulleys are the only ones to use with the oil pump issues the cars have.
For CAI, DeMolet makes the most power and the JLT is very nice as it come be had painted the same as the car. The key is to avoid the metal systems.

i just did a demolet tunable inductions and noticed a nice gain above 4000 it seems to run alot smoother in the higher rpms and then installed the steeda pulleys a week later and also noticed a slight diffrence more from the intake then the pulleys.

cougar694u · Apr 13, 2005

trinity_gt said:
Yep...the first mod I did my GT, a K&N FIPK-II, gave quite impressive results:

http://home.golden.net/~trinity/Dyno/kndyno.jpg

I feel okay with the March piggy backs too since they preserve the factory damper. Got okay gains from these too:

http://home.golden.net/~trinity/Dyno/pulleysdyno.jpg

(plot shows gains over stock; includes K&N intake...pulleys netted about 4.5 hp & 7.1 ft-lbs themselves)

That's what I like to see, actual dyno proven gains.

I had the K&N FIPK on my 97 and it seemed to have in increase, mild or not, it was still an increase. If you add 5 here and 5 there, that adds up.

CanadaStang · Apr 13, 2005

Steve777 said:
maybe I should say "noticeable" gains. They will be very minimal with just the CAI alone. Upgrading the mass air unit is the best way to get the full benefit of the cold air and I don't believe most CAI setups come with a new one

Oh Ok, I thought you ment just the MAF "sensor".

StangPro · Apr 13, 2005

A sensor is a useless mod and most of our testing shows it to lose power (about 5hp loss) unless you're pegging the stock meter.

CanadaStang · Apr 14, 2005

trinity_gt said:
Yep...the first mod I did my GT, a K&N FIPK-II, gave quite impressive results:

http://home.golden.net/~trinity/Dyno/kndyno.jpg

I feel okay with the March piggy backs too since they preserve the factory damper. Got okay gains from these too:

http://home.golden.net/~trinity/Dyno/pulleysdyno.jpg

(plot shows gains over stock; includes K&N intake...pulleys netted about 4.5 hp & 7.1 ft-lbs themselves)

When you tested the CAI on the Dyno, did they do a base run, then put on the CAI and do a tune to correct the a/f ?
Or did they do a base run, then a tune and then add the CAI and do another tune to make sure the a/f was the same for the before and after?

trinity_gt · Apr 14, 2005

CanadaStang said:
When you tested the CAI on the Dyno, did they do a base run, then put on the CAI and do a tune to correct the a/f ?
Or did they do a base run, then a tune and then add the CAI and do another tune to make sure the a/f was the same for the before and after?

No, no tune. The car was dyno'd stock. The battery was then disconnected, the factory intake removed & the K&N installed. Battery reconnected, a couple of "miles" on the dyno to ensure all was good and to restore engine temp to about what it was before and the car re-run.

CanadaStang · Apr 15, 2005

trinity_gt said:
No, no tune. The car was dyno'd stock. The battery was then disconnected, the factory intake removed & the K&N installed. Battery reconnected, a couple of "miles" on the dyno to ensure all was good and to restore engine temp to about what it was before and the car re-run.

Oh OK cool, thanks. I was just wondering if there was any change in the a/f ratio after the CAI install. I was hoping to find an independent dyno test of a CAI that had the a/f corrected before and after the addition of a CAI to make sure that it wasn't just the CAI leaning the a/f, thus the increase in HP due to the leaner mixture. The EEC should be able to compensate for the difference anyway as you don't have the bend going into the fender that may disrupt the MAF readings. Thanks for the info

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