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What cam for my combo?

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Old 02-15-2006, 12:09 AM
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Car: 1987 Trans am
Engine: Cammin Ls1
Transmission: Th400 w/brake 5500 stall
Axle/Gears: Moser 9" w/ 4.11's
What cam for my combo?

I am going to upgrade my cam because i am going to run nitrous next season and was debating between three cams and was wondering if anyone could help me out?

First of i am running a 355sbc with stock rods w/ arp bolts, stock crank, forged pistons, 10:1 compression, dart iron eagle 215cc heads, 1.6 aluminum rr's, holley stealthram, 58mm Holley tb, 42lb injectors, gs340 fuelpump, full msd ignition, accel dfi, built 700r4 w/3500 stall probably going to switch to a th350 or 400 soon. strange 9" w/4.11's and 28x11.50 slicks, the car has also been lightened quite a bit too.

I just added a nitrous kit and am planning on using a 150 shot but my current cam is a little small for me and want to switch to a dual pattern. The cam i have now http://store.summitracing.com/partde...5&autoview=sku

These are the three cams that i am choosing between( unless someone has any other suggestions)

comp cams nitrous cam http://store.summitracing.com/partde...0&autoview=sku

lunati cam http://store.summitracing.com/partde...5&autoview=sku

lunati voodoo cam http://store.summitracing.com/partde...0&autoview=sku

My car is basically a weekend show car that i race regularly so i am not too concerned with it being extremely streetable, but i do want it to preform well n/a also.

Thanks in advance, Tim
Old 02-15-2006, 07:20 PM
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Car: 1987 Trans am
Engine: Cammin Ls1
Transmission: Th400 w/brake 5500 stall
Axle/Gears: Moser 9" w/ 4.11's
somebody has to have a suggestion or opinion on what they would use. guys please help me out.
Old 02-15-2006, 07:30 PM
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Car: 1986 Olds Cutlass Supreme
Engine: 350
Transmission: 200-4R
Axle/Gears: good question...
I have a Crane PowerMax Hyd. Roller 234/242 .539/.558

3000-6500 powerband, bad *** idle, dual pattern so its good to use nitrous with, and GMPP sells it under there name for cheaper.

I have TFS heads and a Holley carb, TH350 with 3500 converter, no dyno numbers yet though. Makes great power and is still streetable
Old 02-15-2006, 07:57 PM
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Car: 1987 Trans am
Engine: Cammin Ls1
Transmission: Th400 w/brake 5500 stall
Axle/Gears: Moser 9" w/ 4.11's
thanks for the reply. Yea that sounds like a good cam, the only thing is that my block is a non-roller and i dont want to shell out the money to have it converted.
Old 02-22-2006, 09:33 PM
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Car: 1987 Trans am
Engine: Cammin Ls1
Transmission: Th400 w/brake 5500 stall
Axle/Gears: Moser 9" w/ 4.11's
anyone else have any other cam suggestions?
Old 02-22-2006, 11:19 PM
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Car: 1988 Firebird S/E
Engine: 406Ci Vortec SBC
Transmission: TH-350/3500stall
Axle/Gears: 7.5" Auburn 4.10 Posi-Traction
the Lunati Voodoo looks good. Just be sure your valvesprings are up to the high lift.
Degree in this cam and advance it a little further to a 103-104 intake centerline. This will help get the exhaust out while on the spray and give a good torque curve with a hard launch while running N/A.
Old 02-22-2006, 11:54 PM
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Car: 1987 Trans am
Engine: Cammin Ls1
Transmission: Th400 w/brake 5500 stall
Axle/Gears: Moser 9" w/ 4.11's
thanks for the reply and the info on installing the cam.
Old 02-24-2006, 09:18 AM
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Car: 1989 Formula 350
Engine: 350 fuel injected
Transmission: 700R4
Axle/Gears: 9 bolt w/370 gears
TPIS has a cam called the ZZ9-X that they told me would work good for nitrous. Plus alot of their cams are designed for a short runner intake like your stealth ram. I use their ZZ-409 with their Mini-ram intake, 1.6 pro magnums and its pulling hard way past 6000 rpm.
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