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01-25-2003, 03:36 AM
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#1 |
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Registered User
Join Date: Jul 2000
Location: branson, missouri
Posts: 166
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383 Idea
IF DOING A REBUILD.....WHAT ALL IS CHANGED WHEN TAKING A 35O UP TO A 383? IS IT JUST THE CRANK AND RODS??? SAME PISTONS AND EVERYTHING ELSE?
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72 CHEYENNE 3/4 TON 4X4...14 bolt full float rear.4.10 gear and 350/350/np205 has a little needs a lot! |
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01-25-2003, 03:48 AM
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#2 |
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Senior Member
Join Date: Dec 2001
Location: Redding,CA...USA
Posts: 4,736
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crank..pistons..you dont have to change rods..flywheel(flex plate)..harmonic balancer..and some clearance work on the block and rods
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It's called "drag racing" if they called it "tic..tic..WHAM!..BANG! F*&K!!!", they'd have to keep the magazines under the counter with the other men's publications click the clicky to join the site.... http://67-72chevytrucks.com/vboard/payments.php 67 lwb..first hotrod in 25 years..540 best ET is 9.45 @ 141.44 Anderson,CA |
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01-25-2003, 11:25 AM
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#3 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,402
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When the 383's first became popular(several yrs back), there were several kits out that used a 400sb crank with the mains ground undersized to fit the 350 block(approx .200). They also used the shorter 400 sb rod combined with a stock 350 piston,& while everything fit,& pretty much cleared the block, the shorter rod caused heavier side loads on the pistons/cylinders(more friction & wear). With all the aftermarket parts available now, its better to run a 5.7 or 6 " long rod & an aftermarket piston. there are also many aftermarket cranks avilable to drop right in the 350 block (for about the same cash as a reground 400 crank). This does require a little clearancing in the block, & on the rods for cam clearance as BigJim mentioned...but straightens up the rod angles, & gets you a freer running/ longer living 383 (also higher revving....& we all like that
 ). Good luck......crazyL
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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