Xtreme Energy 08-503-8
02-12-2007, 08:21 AM
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Car: 1991 Pontiac Firebird
Engine: 383 LT1
Transmission: built 700r4 and fuddle 3500stall
Axle/Gears: 4th gen 3.42 auburn
Xtreme Energy 08-503-8
looking at swaping my cam in the next few weeks i will be running a set of ported 305 vortec heads on a rebuilt 355 vortec block... rpm airgap intake 600cfm performer carb may get a 750cfm... hedman lt 1 5/8 headers... 3" catback 3.42 rear and a built 700r4. i was looking at getting the Xtreme Energy 08-503-8 ( 224/230 502/510 112 LSA).. you think that cam would work well with my combo?
the 305 vortec made 230 HP/290 TQ with the stock cam (191/196 .418/.430 111 lsa) crap exhaust and that spider intake system...
the 305 vortec made 230 HP/290 TQ with the stock cam (191/196 .418/.430 111 lsa) crap exhaust and that spider intake system...
Last edited by gapimpin; 02-13-2007 at 10:48 AM.
02-12-2007, 11:10 PM
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Car: 91 Camaro RS
Engine: 355 Vortec
Transmission: 700r4
Axle/Gears: 3.42
Should be a good choice. I am running th 08-502-08 on a vortec longblock and am very happy with the results. Good power and still has good low end torque but will require more timing on the low end.
Just noticed you said it is a 305. That may be a bit much cam for a 305.
Just noticed you said it is a 305. That may be a bit much cam for a 305.
Last edited by alvanwie; 02-12-2007 at 11:38 PM.
02-12-2007, 11:21 PM
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Car: 1991 Z28
Engine: 305 TPI
Transmission: WC T5
Axle/Gears: 3.73 Posi
You'll have a strong 305, probably make quite a few people turn heads. it'll be a high reving 305 so perhaps little soggy down low with the 3.42. You may find that you might need 3.73. but give it a shot first with the 3.42.
02-13-2007, 09:16 AM
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Car: 1989 IROC-Z
Engine: 5.7L EFI LTR setup
Transmission: T-5 World Class
is that a flat tappit grind ? I have an older 2piece block and, am looking for a sweet cam to throw in my 1985 Monte CarSlow. What about a torque convertor ? What would be a good one for it ?
02-13-2007, 10:32 AM
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Car: 1991 Pontiac Firebird
Engine: 383 LT1
Transmission: built 700r4 and fuddle 3500stall
Axle/Gears: 4th gen 3.42 auburn
its not a 305 its a 355 running 305 vortec heads.... casting 520... they cost me 100bux + shipping and they had just been rebuilt so i decided to get them. wich means im gonna be running close to 11:1 comp and they flow pretty well too.
Last edited by gapimpin; 02-13-2007 at 10:35 AM.
02-13-2007, 10:37 AM
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Car: 1991 Pontiac Firebird
Engine: 383 LT1
Transmission: built 700r4 and fuddle 3500stall
Axle/Gears: 4th gen 3.42 auburn
d's its a roller grind not a flat tappit.
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02-13-2007, 09:37 PM
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Car: 1991 Pontiac Firebird
Engine: 383 LT1
Transmission: built 700r4 and fuddle 3500stall
Axle/Gears: 4th gen 3.42 auburn
i was just trying to get some more power out of my 350 for now... i plan on dropping in a 383 or possibly a 400 next year.. this was my budget build. i spent most of my money on things that will interchange... exhaust intake... bad *** 700r4 and new rear. im just wanting something fun to drive till i get the actual power plant in her.
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