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Author Topic:   CAMSHAFT
DIRTDOG311
Dirt Full Roller

Total posts: 36
posted June 23, 2005 05:03 PM  
Does anyone know if a .500 lift (intake and exhaust) cam would be good in 350 chevy for a 83 monte carlo with a turbo 350 tranny and 3.08 gears running on a 3/8 mild track?

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racer17j
Dirt Forum Champ
Total posts: 5390
posted June 23, 2005 06:04 PM  
I run a .488 on a 1/3 mile with th350 in second and 3.73's on 80" tires. My cam is rated for 3500-6500 RPM's, a .500 sure would hurt you i think with 3.08s. You need more gear if running a big cam like that. You need 3.90's or 4.11's. thats what we use to run on the 3/8ths track we use to race at with the .488. Good luck.

Raz_900
Dirt Forum Champ
Total posts: 635
posted June 23, 2005 07:41 PM  
Duration is what determines the cam's powerband. Lift doesn't mean anything in that respect.

For instance, a .530" lift cam with 230* duration will have a vastly different powerband than a .500" lift cam with 246* duration.


77k
Dirt Maniac

Total posts: 174
posted June 24, 2005 01:45 AM  
On a 3/8, I run a turbo 350 in low with 256 gears =607 85 in tires = 5800rpms. Crane makes a good little 501 lift cam that works good in a 350 and does not cost to much.

rico 08
Dirt Forum Champ
Total posts: 1139
posted June 24, 2005 05:57 AM  
350 in low(2.52),and a 2.41 rear is 6.07.With a 2.56 it's 6.35.

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