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305ci with xe268h-10 cam/ litters/ 600cfm holley 4 bar/ performer intake/headers/ where do I set timing?

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6ya6ya
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Posted on Jan 02, 2017

  • 44 Answers

SOURCE: need fuel/air settings for 4150 holley 600cfm. from seat.

Depends where the timing is set and you really just have to play with them until you get the rigght settings

Posted on Jan 13, 2009

  • 6982 Answers

SOURCE: 383 Stoker Chevy dies when I put it in gear

That converter should make stalling less of an issue, not more. (stall speed is higher than stock) Make sure that you have the cam degreed in properly, that you have the timing set properly (I'd use 8-12 degrees to begin) and make sure that you have no vacuum leaks.
With a stock converter, you shouldn't use any cam with more than 220 degrees duration...With the higher stall converter, you may get a few more degrees leeway. Also, the carb is too small for the application...should have at least a 750 dbl pumper or larger on there depending largely upon the car weight, gearing and what you have as far as intake and exhaust. (header diameter, length and design)...This should have been all figured out on paper before spending a dime for parts...Biggest mistake I see is people putting "mis-matched" parts together and expecting it to work (everything needs to compliment everything else)

Posted on Jul 04, 2009

  • 30 Answers

SOURCE: 1973 Mustang carburetor replacement.

it would be easier to buy the adapter but holley al;so makes intake manifold for this problem they are pricey but you get the full 600cfms with an adapter you wont get as much oomph out of it but and adapter is a good idea especially when you dont have 300 to blow on the manifold

Posted on Oct 02, 2009

  • 4 Answers

SOURCE: i have 84 camaro h.o. and i just installed a

check your timing and check your fuel presser ... fuel presser should be around 7 lbs ...

Posted on Apr 13, 2010

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Could i have an engine vacuum leak or any vacuum leak? my engine wont start after installing a new high rise intake and new holley street avenger 670 carb.


Yes.
The spacer could be leaking inside - the spacer should match the gasket for the base of the carb and the intake.

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93 e150 camshaft specs 5.8L


Factory camshaft specs:
5.8L (non lightning): Lift: .278" Intake; .283" exhaust.
5.8L Lightning: Lift .260" intake, .278" exhaust.
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This is not so much a problem, but i need an old school engine gurus help. I am about to do a rebuild on my 318. I know what the specs say for the proper cam and lifters setup. But i was wondering what...


If you want 300hp out of your 318 this will get you there: Bowl port the heads and have the valves back-cut 30*, Edelbrock RPM intake(Airgap is more money and the rpm and rpm airgap are basicly the same), Any 600cfm carb, Comp 20-309-4, Headers and dual exhaust. This combo will give you great bottom end and will make 300hp.

The cam, intake and carb alone will not get you there, you need more head flow. So bowl port the heads, or install some 360 heads. good day ! or is this a bit much !!
the 1973 Mopar 318 has 150 hp at 3,600 rpm.

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What kind of carburter do I need for a 1984 firebird


If you have the original engine, likely it's a Quadrajet if it's 4bbl, or another possibility is a Rochester 2gc. The Quadrajet is a modified version with a purge valve solenoid and a throttle position sensor built into it. (funny to see your post because I just took one off a Montecarlo this morning....did a vorteck head swap, cam, high perf. intake, headers and a way larger Holley carb)

Apr 12, 2011 | 1984 Pontiac Firebird

1 Answer

1973 Mustang carburetor replacement.


it would be easier to buy the adapter but holley al;so makes intake manifold for this problem they are pricey but you get the full 600cfms with an adapter you wont get as much oomph out of it but and adapter is a good idea especially when you dont have 300 to blow on the manifold

Oct 02, 2009 | Ford Mustang Cars & Trucks

1 Answer

383 Stoker Chevy dies when I put it in gear


That converter should make stalling less of an issue, not more. (stall speed is higher than stock) Make sure that you have the cam degreed in properly, that you have the timing set properly (I'd use 8-12 degrees to begin) and make sure that you have no vacuum leaks.
With a stock converter, you shouldn't use any cam with more than 220 degrees duration...With the higher stall converter, you may get a few more degrees leeway. Also, the carb is too small for the application...should have at least a 750 dbl pumper or larger on there depending largely upon the car weight, gearing and what you have as far as intake and exhaust. (header diameter, length and design)...This should have been all figured out on paper before spending a dime for parts...Biggest mistake I see is people putting "mis-matched" parts together and expecting it to work (everything needs to compliment everything else)

Jul 03, 2009 | 1996 Chevrolet Cavalier

2 Answers

Rebuilding a 1981 AMC 258 motor - Need modification advice


Depends how much of a power increase you want. For street use I would buy a header, carb and intake, cam, lifters and valve springs, in that order. Upgrade theignition if you can afford it. More (higher numerically) gear in the differential will work wonders! I'd suggest something in the mid 3's. 3.55, etc. Keep the shift point under 6000 rpm. I drag race a 72 Gremlin with a 401, so if you need any more AMC help, let me know.

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1 Answer

1984 S-10 2.8L carb


Mild cam, aftermarket intake with better carb and headers will give you a bit better performance but you can't really get too radical or you will just start breaking stuff. Tunable ignition is nice but really expensive for anything that works. Or, just get a 350v8 and stuff it in there!

Apr 18, 2009 | 1984 Chevrolet S-10

1 Answer

Need fuel/air settings for 4150 holley 600cfm. from seat.


Depends where the timing is set and you really just have to play with them until you get the rigght settings

Nov 16, 2008 | 1981 Ford F 100

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