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01-26-2010, 10:23 AM
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#1 |
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Registered User
Join Date: Nov 2007
Location: Franklin Indiana
Posts: 635
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383 owners information please.
I want to build a motor for my 85. I have a 350 2 piece rear main block. I am trying to decide if I want to build a a 383 or a 355. With the longer throws of the 383 in the 350 block are there any down sides the the 383? I plan to have a qualified machine shop do the block prep either way. Comparing the two will the 383 live as long as the 355 under the same usage? Also is the 383 an engine with more torque than horse power compared to the 355? I will be using the truck as a tow vehicle extra torque would be nice.
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My Truck's not leaking its marking its territory! |
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01-26-2010, 10:26 AM
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#2 |
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On a budget like Fred Sanford
Join Date: Oct 2005
Location: Topeka, KS
Posts: 2,031
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Re: 383 owners information please.
Absolutely build a 383 over a 355, there is virtually no cost difference between the two and the 383 will build more torque than the 355.
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'85 Silverado swb: 383 stroker, 10.5:1, vortec heads, 232/238 roller cam, RPM air gap, performer 750 carb, stainless longtubes, 3" duals/super 44's, T56/4.11 383ci build / exterior refresh thread '98 Camaro z28: 370ci twin turbo 370ci build '01 Tahoe LT 4x4: 5.3, longtubes/ory, magnaflow duals, custom tune....wife's DD |
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01-26-2010, 11:26 AM
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#3 |
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Registered User
Join Date: Mar 2007
Location: Farmington, MN
Posts: 928
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Re: 383 owners information please.
The 383 will cost a bit more if you are having a shop build it because the block needs to be clearanced for the crankshaft, but that will only be a couple hours labor at most. For a tow vehicle, 383 is the way to go.
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I can still count my vehicles on two... wait three hands. Last edited by Damien; 01-26-2010 at 11:27 AM. |
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01-26-2010, 09:16 PM
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#4 |
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Registered User
Join Date: Jan 2010
Location: Kitchener, Ontario, Canada
Posts: 94
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Re: 383 owners information please.
383 wont like to rev like a 355 but its not a sports car its a heavy truck and the torque is what you want.
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01-26-2010, 09:19 PM
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#5 |
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Registered User
Join Date: Jan 2010
Location: Fairfield Ca
Posts: 20
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Re: 383 owners information please.
My 383 has alot of pwer its a good motor i cant feel a 3 horse trailer behind even with 307 gears
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01-26-2010, 09:29 PM
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#6 |
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Registered User
Join Date: Nov 2007
Location: Franklin Indiana
Posts: 635
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Re: 383 owners information please.
Guys thanks for the replies you have made up my mind.
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