383 more torque - Team Camaro Tech
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post #1 of 5 (permalink) Old Dec 11th, 01, 09:20 PM Thread Starter
Join Date: Dec 2001
Location: Mo.stl.usa
Posts: 2

first off i have a 350 with a 4.00 bore 3.75 stroke so i guess u really call this a 377 any way i have 305 heads on it 58cc first question is is this helping me r hurting me keep in mind i want a better response r torque that iz talking about the heads second question i have a camshaft with 215 duration 106 lsa and 500 lift wondering about putting it in it will it give more torque and what kind would u suggest third what kind of power u think my motor produce with this combo and if u may help please give me a combo that would give me great great throttle response and thank to those who reply i am younge man willing to learn
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post #2 of 5 (permalink) Old Dec 12th, 01, 05:14 AM
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Join Date: Feb 2001
Location: Maine
Posts: 3,099

how much money are you looking to spend? I would say that a head change would do you well. The Edelbrock RPM heads will give you big torque and are relatively inexpensive.

Is your engine already built and you want more torque, or are you just anticipating that it will lack torque? If it is built already, what cam do you have in there now before thinking of switching to another.
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post #3 of 5 (permalink) Old Dec 12th, 01, 05:15 AM
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well the 305 heads might help a bit, but you cant bet much bigger with the cam. the small valves of the 305 head make good low end grunt, but that low end juice comes at the price of less flow at high rpms. they might work, but if you want to go any further with the build i would suggest differrent heads. on a 350 they work pretty good, but you have more then 350 cubes. imagine it this way. try drinking a glass of water with a straw, then try to drink a gallon of water with the same straw, in the same amount of time. this is kinda how it works for your application, the glass is the 350 and the gallon is the 383. the small valves just cant fill the cylinders of a 383 as well as they can a 350, combine that with the bad flowing ports and it doesnt look good. if you want those heads you might try a little porting. thats all i can say, hope this helps a little
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post #4 of 5 (permalink) Old Dec 12th, 01, 01:03 PM
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Location: Glenwood,Ut U.S.A
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read this, its seem u can get the 305 heads to flow.
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post #5 of 5 (permalink) Old Dec 13th, 01, 02:29 PM
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Location: Washington, Michigan USA
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A 106 LSA cam will kill your low-end torque, and that's what 383's are all about.

'69 Z28 Fathom Green
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