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Best Heads and intake for my 383 and cam

24K views 15 replies 8 participants last post by  ap72 
#1 ·
Hey guys currently have a 383 stroker with the following set up:

-4.030 bore
KB 18cc pistons
5.7 rod
235/249 5.22/.509 107 lsa at .050 Camshaft
0 deck height
9.6:1 Static compression
8.27:1 dynamic compression with my cam
Stock 64cc swirl port heads
Weiand X-CELerator Single Plane intake manifold

Looking for a great set of heads (give me best heads and lets say an okay set that will do the job) and matched intake and carb setup to make the most power out of this little 383 street motor.

What would be a good size carb to run on this ?

What would be the max rpm i could see out of this? Solid roller?
 
#4 ·
great heads out of the box,AFR 180s good cheap heaps that require porting,GM vortec, anything in between will cost and perform accordingly.750 cfm carb,manifold depends,performer is a good place to start with that small cam you mentioned,If its Hydraulic flat tappet,consider upgrading
 
#6 ·
#8 ·
I knew what line of cam it was as soon as I saw the vast seperation in the dual pattern and then the 107LSA.

In my opinion the best head for you combnation would be the AFR-195 CNC comp heads, but here are a few decent alternatives that dont cost quite as much; DART pro 1 200cc, RHS pro action 200cc, Brodix IK200's, Or even a bit cheaper would be the DART Iron Eagle Platinum 200cc heads. In my opinion you need to go with a dual plane intake like the performer rpm, and then I honestly believe that you would be best off going with a 750 vac secondary carb instead of the double pumper carb.
 
#10 ·
I knew what line of cam it was as soon as I saw the vast seperation in the dual pattern and then the 107LSA.
Bingo!!!

I honestly believe that you would be best off going with a 750 vac secondary carb instead of the double pumper carb.
Bingo again!!!
Rule of Thumb: Manual trans or 3000+ converter, use double pumper.
Auto with tighter converter, use vacuum secondaries.
 
#12 ·
Cam is a retrofrit Hydraulic roller. It has roller lifters with the stock non roller rockers.

The car is a 1969 Camaro RS. It has a 4 speed trans with a 3.90 rear gear. 295 street tire used only for street weekend warrior.

So i was thinking 195 65cc AFR street heads? or competition heads?

Edelbrock performer RPM intake

Holley 750 DP carb
 
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