please help me choose the right cam
07-24-2001, 09:50 PM
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Car: 88 IROC
Engine: 350
Transmission: auto
please help me choose the right cam
I have a stock 88 305 bottem end engine. My setup includes vortec high performance heads milled to 58cc (good to .550"max lift), rpm manifold, holley 670 avenger carb, and the rest of my mods are in the sig. I'm looking for at least 300hp and i was thinking the LT4 cam would get me there? (Dur.@.050: 203/210, Lift:476/480, LSA:115). Can you guys recommend me a better cam?(has to be roller). I am using this car as my daily driver. Also, can someone explain to me what LSA means? (the bigger the LSA the less drivable it is?)
Thanks for any suggestions
p.s. The TBI guys are gonna kill me for going carb
------------------
Pat Hirsz
www.iit.edu/~hirspat/MyPage2.htm
88 305TBI
Mods:Hooker Aerochamber 3" exhaust, no cat,SLP 1 5/8" headers and y-pipe March pullies, no smog, 180 thermo,
14x4 K&N, 3.42 gears(open), Ultimate TBI Mods,AFPR,MSD(ignition,coil&wires),Edelbrock TBI Manifold, 190ltr/hr fuel pump,
Eibach springs with KYB's all around,
Harwood cowl hood, Z-28 wing, fresh paint(black)
120,000 miles, 5spd, T-tops
0-60mph-7.2s-Gteched
92 RS, 305TBI, auto, 3.08 gears, 180 thermo, glasspack (no muffler)
Thanks for any suggestions
p.s. The TBI guys are gonna kill me for going carb
------------------
Pat Hirsz
www.iit.edu/~hirspat/MyPage2.htm
88 305TBI
Mods:Hooker Aerochamber 3" exhaust, no cat,SLP 1 5/8" headers and y-pipe March pullies, no smog, 180 thermo,
14x4 K&N, 3.42 gears(open), Ultimate TBI Mods,AFPR,MSD(ignition,coil&wires),Edelbrock TBI Manifold, 190ltr/hr fuel pump,
Eibach springs with KYB's all around,
Harwood cowl hood, Z-28 wing, fresh paint(black)
120,000 miles, 5spd, T-tops
0-60mph-7.2s-Gteched
92 RS, 305TBI, auto, 3.08 gears, 180 thermo, glasspack (no muffler)
07-24-2001, 10:32 PM
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I'm moving this to the general tech board...you'll get more answers there.
EDIT: That cam is too small. Look for somthing in the 208-214 @ .050 duration range.
The LSA is the distance in degrees from the centerlines of the intake and exaust lobes. In general the less the LSA the less streetable...but that cam range isn;t too agressive to begin with. you can afford a low LSA.
[This message has been edited by Jester (edited July 24, 2001).]
EDIT: That cam is too small. Look for somthing in the 208-214 @ .050 duration range.
The LSA is the distance in degrees from the centerlines of the intake and exaust lobes. In general the less the LSA the less streetable...but that cam range isn;t too agressive to begin with. you can afford a low LSA.
[This message has been edited by Jester (edited July 24, 2001).]
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