Thread: 4.3 v-6 buildup

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Originally Posted by pat mccarthy

yep there parts like you said 350 parts will work theres cams erson makes them .the marine hyd roller is a good cam for some build iron and came with a 4 barrel intake . there was i think bush class or some road race class that gm made alum blocks intakes .at one time a friend of mine had every part that gm made for them i did some but very mild builds.chevy power book shows some stuff in it

Pat the cam you are talking about is it the 225hp cam or is there another production cam?

Originally Posted by sfort

Pat the cam you are talking about is it the 225hp cam or is there another production cam?

there are many cams made by many hyd solid . flat and solid roller and hyd roller . custom if they have cores .gm made many rollers cams and were made here in bay city

Originally Posted by pat mccarthy

there are many cams made by many hyd solid . flat and solid roller and hyd roller . custom if they have cores .gm made many rollers cams and were made here in bay city

The "W" cams rated at 200hp are the best production cams.

"Factory 4.3L Cam Specs
* '96-'00, VIN W, w/ balance shaft
- Lift (I/E) - .415/.429
- Dur @ .050 (I/E) - .191/.195

* '93-'96, VIN Z, w/ balance shaft
- Lift (I/E) - .376/.402
- Dur @ .050 (I/E) - .183/.193

* '92-'95, Vin W, w/ balance shaft
- Lift (I/E) - .432/.440
- Dur @ .050 (I/E) - .208/.208

* '91-'93, ZR9/Z79, Syclone/Typhoon
- Lift (I/E) - .351/.386
- Dur @ .050 (I/E) - .179/.195 (Ductile)

* '90-'91, VIN Z, Astro/Safari
- Lift (I/E) - .403/.450
- Dur @ .050 (I/E) - .202/.213 (Steel)

* '87-'94, Vin Z, w/o balance shaft
- Lift (I/E) - .351/.386
- Dur @ .050 (I/E) - .179/.195 (Ductile)"

Gm did make L79 version 4.3L cam non-balance shaft both flat tappet and roller but is not in production anymore.

http://www.gmpartsdirect.com/perform...CATID=304.html

Comp cams and Crane cams are good streetable cams, Comp cams can make custom grinds for racing.