Was just wondering if i removed my smog/air pump could i expect to see some slight minor difference in the performance of my V6 or if at all any..is it worth it?..or should i just leave it alone?..oh and i live in a non-emissions state..Thanx in advance

Brent

Wanna smile?...if you do,click the site below
http://geijn.lagcity.com/gti/index.html

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Toys currently owned:
-91 MPFI Firebird
-97 Grand-Am GT
-96 Extreme Sonoma
-91 Suzuki GS500E
-89 Z28 Camaro(under construction)

 

not much, keep it on until you change the cat, then you shouldn't need it with the better cat design.

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$150.00 2.8 Auto.
Blown Head Gasket.
turbo has arrived, but put on hold (4 now)
working on dismantling engine, & finding out what parts I need (and Really want)

 

I have heard alot of people that has said that they have gutted their cat.Does this actually mean that they removed it?Is this something i might wanna do?Or possibly maybe install a more free flowing cat?...Trying to make small improvements to an over all great engine.Anyones advice will be truly noted and Thanx in advance...

Brent

 

Gutting the cat means removing the "guts" of it and putting in a pipe thru the shell of the cat. This gives the appearance of having a cat.

I would recommend using a high flow cat. The gains are the same and the high flow one will help the environment(a little anyway)

Dale

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1986 FireBird
2.8L MPFI
1/2 CAI
Gutted Cat, No muffler
Was 700-R4 --> Now T5
**** Great cars aren't bought, they're built ****

 

I have a gutted cat , BUT i suggest a higher flow on . Less odor to . Wayne

 

Any particular good place where i could find and buy one of these high flow cats for my 91 MPFI V6 Firebird?and also which brand would yall recommend is best to go with?..Thanx

Brent

 

You probably lose 3-4 Hp from the smog pump... not really worth disconnecting. But gutting the cat can be a simple mod until you can replace it with a high flow. My cat has been gutted, but it doesn't have a pipe through it. It makes a real good rumble @ WOT inside the cabin, you might want to do it just to see what it sounds like. I would suggest running a cat though, I'm just waiting til I have the money for a cat-back.