93 Grand Am Gt H.O, quad 4? - Racing Forum

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93 Grand Am Gt H.O, quad 4?
Tuesday, February 27, 2007 6:31 PM
Dirt track race car.

Just wondering about a little more easy power?

Are the cam swaps I read about on here to get a quad 4 up to what my motor allready is?

I can change the air cleaner to anything I want, what would you suggest?

Would I benefit from diff injectors?

Stock exh manifold is required, no muffler, cat etc. just straight pipe is ok. is that the way to go? or does it need some back pressure?

The car I have runs awesome it seems to have a lot of power up top, not a lot of midrange.

www.jnjfab.com

Is my website i build and sell race ready 4 cyl dirt track cars.

I usually race rwd but run some of the 1000 on up to win 4 cyl races in the area.

Race ready fwd 4 cyl dirt track race cars for sale.

www.jnjfab.com

email me at istock66jj@cs.com

Re: 93 Grand Am Gt H.O, quad 4?
Wednesday, February 28, 2007 5:10 PM
send pics to iowawhitetails@hotmail.com
Re: 93 Grand Am Gt H.O, quad 4?
Wednesday, February 28, 2007 5:20 PM
just seen your pics on website. still have 97 cavalier?
Re: 93 Grand Am Gt H.O, quad 4?
Tuesday, March 13, 2007 4:53 PM
HO quad..... a W41 chip and a under drive pulley would be a good start.... can you get cams? IF so comp has some nice cams for 200 each

Chris


'02 Z-24 Supercharged
13.7 @102.45 MPH Third Place, 2007 GMSC Bash SOLD AS OF 01MAR08

Re: 93 Grand Am Gt H.O, quad 4?
Wednesday, March 21, 2007 5:07 PM
well running open header certainly wont help your midrange power but theres not alot of options maybe a 2.25 inch that might give you better torque than a 2.5

kick out as much weight as possible obviously as that will help you in pretty much every catogory, not sure but you may be able to make some gains porting the intake manifold a bit, some new injects are always a good thing i believe stock on those motors is 270cc, some 26lbers should do fine, run an msd ignition if rules allow, some nice gains can be made on the cylinder head



1989 Turbo Trans Am #82, 2007 Cobalt SS G85





Re: 93 Grand Am Gt H.O, quad 4?
Wednesday, March 21, 2007 6:36 PM
Low end? what's that? On the Ho, the peak torque is at 5200rpm so forget the 2.25 exhaust. Go 2.5". Stock injectors are 32lbs. Make sure you have the 086 head, 90-92 exhaust manifold and 90-91 small ho pulley.



Gilles
2.3 Ho

Re: 93 Grand Am Gt H.O, quad 4?
Saturday, March 24, 2007 7:29 AM
low end.... hahaahahha


my 10 speed bike ( when i was 12) had more ft\lbs than my LG0


Chris



'02 Z-24 Supercharged
13.7 @102.45 MPH Third Place, 2007 GMSC Bash SOLD AS OF 01MAR08

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