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#1 |
Registered User
Join Date: Jun 2011
Location: maryville tn
Posts: 15
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help with a tow motor
hello all.i have a few ??? if yall dont mind.i bought anouther 1 ton truck.i got a stock 1969 chevy 350 out of a dump truck thats got low miles.i would like to know if any 1 has put a 400 crank in a 350 to stroke it but not bore it.that would make a 378.any held would be nice
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#2 |
Registered User
![]() Join Date: Jul 2010
Location: memphis
Posts: 2,537
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Re: help with a tow motor
Been done thousands of times & that would make it a 383
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1981 C-10 (Pop's) 1978 Camaro 2006 Lacrosse |
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#3 |
Registered User
Join Date: Dec 2010
Location: Pittsburgh, PA
Posts: 1,009
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Re: help with a tow motor
That's not really correct. It would be a 377. A 383 is a 350 bored .030" over with a crank from a 400. You can put a crank from a 350 into a 400 to also make a 377 that will rev way up for some high end spunk. To the OP, yes you can do it but your motor will need balanced unless you can use the balancer and flywheel from the 400 also, because the 400's were externally balanced.
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Steve Member of the Foot Pedal Club '83 Chevy K20: 6" Rough Country, 3" Performance Accessories BL, Bushwacker Cutouts, 38x15.50 Mickey Thompson Baja Claws, 350 HP 350 crate engine from Jegs, Turbo 400 ![]() |
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#4 |
Registered User
Join Date: Jun 2011
Location: maryville tn
Posts: 15
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Re: help with a tow motor
should bore it or just leave the bore stock.im just looking for more torque.
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#5 |
Registered User
Join Date: Jun 2008
Location: Lubbock, TX
Posts: 2,047
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Re: help with a tow motor
Depends on how much wear the cylinders show. It's almost always worth more power due to cubes, but having straight, round cylinders with good ring seal at the top of the bores thanks to a torque plate hone actually makes more difference. As long as you're getting new pistons anyway, have it bored and torque plate honed. Not many stroker pistons available in standard size anyway...
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#6 |
Registered User
Join Date: Jun 2011
Location: maryville tn
Posts: 15
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Re: help with a tow motor
the motor only has 2500 miles on it.i thought the was bullen me,but when i went through it it was cleaner then the head at paris island.i just plan on usen the truck to haul hay and a few of my tractors.the truck that i do the most towing with has a caddy 500 and a sm465,so i dont need a whole lot out of that little motor.just a little more
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