91 changing from stock-ideas?
Thread Starter
Intermediate
Joined: Mar 2005
Posts: 29
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91 changing from stock-ideas?
I have a stock 91 basic 350 with 72,000 miles. I want to pep it up a little with out braking the wallet. I put the airfoil intake you can get for $30 and that left me wanting more . So what is the next step a performance chip? suggestion on what deliever the most performance for the money? thanks darren
Race Director
Joined: Aug 2000
Posts: 14,130
Likes: 7
Cruise-In II Veteran
Originally Posted by rdnaharley2
I have a stock 91 basic 350 with 72,000 miles. I want to pep it up a little with out braking the wallet. I put the airfoil intake you can get for $30 and that left me wanting more . So what is the next step a performance chip? suggestion on what deliever the most performance for the money? thanks darren
Good luck!
Burning Brakes
Joined: Aug 2000
Posts: 1,146
Likes: 2
From: Albuquerque NM
Originally Posted by rdnaharley2
I have a stock 91 basic 350 with 72,000 miles. I want to pep it up a little with out braking the wallet. I put the airfoil intake you can get for $30 and that left me wanting more . So what is the next step a performance chip? suggestion on what deliever the most performance for the money? thanks darren
For the feel of go, get a catback exhuast. Outwardly, you will feel like you have done a very good thing. Engine wise you will have very little for your car.
Do the filter and ignition mods as well. (K&N or amsoil) (always MSD)
once you start on this path, you can't return!
Drifting
Joined: Oct 2004
Posts: 1,976
Likes: 0
From: Patchogue NY
Originally Posted by ZD1
You starting on a very very dark path! Have a plan of what you want out of the car and ask from there. I will tell from experience, that tuning the MAP system is more difficult than the MAF systems.
For the feel of go, get a catback exhuast. Outwardly, you will feel like you have done a very good thing. Engine wise you will have very little for your car.
Do the filter and ignition mods as well. (K&N or amsoil) (always MSD)
once you start on this path, you can't return!
For the feel of go, get a catback exhuast. Outwardly, you will feel like you have done a very good thing. Engine wise you will have very little for your car.
Do the filter and ignition mods as well. (K&N or amsoil) (always MSD)
once you start on this path, you can't return!
And, let me add, that taking the dark path will lead to the "dark side," and all the wonders of modified travel. LOL.
Joe B.
Team Owner
Joined: Dec 2000
Posts: 90,675
Likes: 304
From: SE NY
Cruise-In II Veteran
On the "cheap" (a few $100) side:
-remove the frisbee from the water pump pulley
-install a low temp (160 or 180deg) T-stat & fan switch
-cut the air filter lid and install a K&N filter
-cut back the electrodes on the stock AC Delco spark plugs
-install an AFPR to tune fuel flow at WOT
Instead of doing a commercial chip, wait till you need to do some tuning and have one of the Forum Gurus burn you a chip.
For a "little more" (>$1k) try:
-exhaust mods: FL headers, dual exhaust with bullet cats and hi-flow mufflers
For a more agressive street feel address the A4:
-install a 2,000-2,400 RPM TC
-install a TransGo shift kit
For more beef you need to develope a plan as to what kind of power curve you want and then chose heads, cam and intake to meet those requirements.
-remove the frisbee from the water pump pulley
-install a low temp (160 or 180deg) T-stat & fan switch
-cut the air filter lid and install a K&N filter
-cut back the electrodes on the stock AC Delco spark plugs
-install an AFPR to tune fuel flow at WOT
Instead of doing a commercial chip, wait till you need to do some tuning and have one of the Forum Gurus burn you a chip.
For a "little more" (>$1k) try:
-exhaust mods: FL headers, dual exhaust with bullet cats and hi-flow mufflers
For a more agressive street feel address the A4:
-install a 2,000-2,400 RPM TC
-install a TransGo shift kit
For more beef you need to develope a plan as to what kind of power curve you want and then chose heads, cam and intake to meet those requirements.
Team Owner
Joined: Sep 2001
Posts: 62,160
Likes: 1,733
From: Athens AL
C7 of the Year - Unmodified Finalist 2021
C4 of Year Finalist (performance mods) 2019
Take the airfoil out and toss it in the trash. Dont ever buy anything in those magazines that says it gives HP, other than exhaust systems its almost always a lie.
Best bet would be to start with exhaust, just pick a set based on sound preference, they all give about the same power. If you dont mind it loud, then go for Hooker or TPiS headers and replace the main cat with a better high-flow unit. (read the thread on the main page)
The L98 is intake restricted as well, so intake replacement would be the best bet.
All of this will get horribly expensive, so you need to start running searches in the archives. Do your research on everything there first before asking questions, people are just going to say the same things that are already in there.
Best bet would be to start with exhaust, just pick a set based on sound preference, they all give about the same power. If you dont mind it loud, then go for Hooker or TPiS headers and replace the main cat with a better high-flow unit. (read the thread on the main page)
The L98 is intake restricted as well, so intake replacement would be the best bet.
All of this will get horribly expensive, so you need to start running searches in the archives. Do your research on everything there first before asking questions, people are just going to say the same things that are already in there.
Burning Brakes
Joined: Sep 2005
Posts: 993
Likes: 3
From: Iowa
Go ahead and ask away. I have waded through the archives and never really found what I was looking for! If you want direct answers to direct questions PM me. I raced the tuned port stuff on many different engines over the course of a few years so I will shoot you strait on what will and will not work for you.
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