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Old 10-09-2012, 08:08 PM
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Best Heads and intake for my 383 and cam

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?

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Old 10-09-2012, 09:02 PM
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What kind of cam is that? solid/hyd roller/flat tappet?

Some where in the 195cc to 215cc range. 64cc or smaller chamber.
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Old 10-09-2012, 09:10 PM
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Best = Afr
Decent on a budget = patriot PN# 2181
Edelbrock performer rpm
Holley 750dp assuming lots of gear and converter or manual trans.
Buy stock in BFG's
Enjoy
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Old 10-09-2012, 10:32 PM
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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
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Old 10-10-2012, 12:07 AM
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Here's the cam he's talking about....
12-601-4 - Thumpr
He's also talking about using 1.6 rockers with it.
He probably didn't want to admit to the board that it's a Thumpr, for fear of being beat up.
OP- ditch the single plane in favor of an Edelbrock Performer RPM.

Last edited by techinspector1; 10-10-2012 at 12:13 AM.
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Old 10-10-2012, 12:17 AM
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Best Heads and intake for my 383 and cam

Dart CNC heads are the best. But you can use these Dart heads as well. Dart 11321111P - Dart Pro 1 Aluminum Cylinder Heads - Overview - SummitRacing.com and I agree with the price for the Patriot heads. Patriot Performance 2181 - Patriot Performance Freedom Series Small Block Chevy Cylinder Heads - Overview - SummitRacing.com. Of couse you will have to have the valve springs reccommended for your camshaft installed on either set of heads. For a carburetor a 750 DP from Holley or Quick Fuel.
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Old 10-10-2012, 05:01 AM
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I am well satisfied with my TF 23* 64cc heads, Performer RPM intake, and Lars rebuilt Q-Jet. 383 stroker.

I am running a CC XE274H flat tappet cam. Static CR is 10.3.

Running 89 octane BP fuel.
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Old 10-10-2012, 01:04 PM
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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.
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Old 10-10-2012, 04:08 PM
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duplicate post

Last edited by techinspector1; 10-10-2012 at 04:33 PM.
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Old 10-10-2012, 04:20 PM
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Quote:
Originally Posted by my87Z View Post
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!!!

Quote:
Originally Posted by my87Z View Post
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.
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Old 10-10-2012, 04:32 PM
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Quote:
Originally Posted by 06-z0sick View Post
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?
Let start out by asking what is your main purpose for this motor? Also what car or truck is this motor going in. List the vehicle, weight, the stall converter size, rear end gear ratio, and rear tire size.
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Old 10-10-2012, 08:35 PM
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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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Old 10-10-2012, 09:51 PM
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Quote:
Originally Posted by 06-z0sick View Post
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
If its a street car the vacuum secondaries are a much nicer option than a DP carb. I'd go with a nice VS carb and the rest of the combo you have, Dart and Profiler are nice heads too as are Brodix and others.
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Old 10-10-2012, 10:21 PM
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Quote:
Originally Posted by 06-z0sick View Post
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
OK, so this is the cam....
12-601-8 - Thumpr
Intake closes at 39.5 degrees after bottom dead center @0.050" tappet lift.
If static compression ratio is truly 9.6:1, then dynamic compression ratio is 8.274:1 on the KB calculator. Motor should be able to run on regular pump gas with that DCR.

Hydraulic rollers, due to their weight, will normally limit revs to around 6200 unless you also use a rev kit in the lifter valley.
The double pumper should work ok with a manual trans 4-spd....... RPM is the correct intake to use....... 3.90 gear should work ok with that cam....... 90% drag strip, I'd use comp heads. 90% street, I'd use street heads.

Last edited by techinspector1; 10-10-2012 at 10:29 PM.
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Old 10-11-2012, 06:38 PM
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I have an 89 block, what style AFR heads would i use?
These:
AFR - Airflow Research 1041 AFR SB-Chevy Street Aluminum Cylinder Heads

or can i use the style with the non center valve cover bolt holes?

And for the double pumper carb do u reccomend mechanical or vacuum secondaries?
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