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-   -   How to build 383 chev stroker motor using 400 crank in 350 block (http://www.hotrodders.com/forum/how-build-383-chev-stroker-motor-using-400-crank-350-a-227929.html)

TEEBO 01-03-2013 11:40 PM

How to build 383 chev stroker motor using 400 crank in 350 block
 
How to install a 400 chev stock crank into stock 350 engine-using 350 rods and pistons?

cobalt327 01-03-2013 11:47 PM

Welcome.

Crank has to be turned down ~0.200" on the mains to fit a 350 block. SBC 350 pistons would only work if you used stock 5.565" 400 SBC rods. Do a search- there are exactly 9,846 threads on this.:mwink:

F-BIRD'88 01-04-2013 12:47 AM

Find a 400 block for it.

cdminter59 01-04-2013 01:03 AM

How to build 383 chev stroker motor using 400 crank in 350 block
 
Here is some info on pistons using 5.7 rods. Use KB100 flat top pistons with 5.7 rods and 76cc chamber heads to have a 9.58 compression ratio. Use KB102 with 5.7 rods with 64cc chamber heads for a 9.67 compression ratio. Like was advised do a search on this site on building a 383 cid. The block will also have places that will need to be clearanced.

vinniekq2 01-04-2013 08:52 AM

machine shop time,list of parts to match purpose,careful assembley.

welcome to the forum

hcompton 01-04-2013 09:25 AM

Quote:

Originally Posted by TEEBO (Post 1630390)
How to install a 400 chev stock crank into stock 350 engine-using 350 rods and pistons?

Do you alreayd have a crank most ppl no adays use custom aftermarket 383 crank. They are so cheap i would not bother to get the block lined bored and have the crank turned down.

For under a grand you can buy a complete balanced rotating assembly from scat or eagle ready to drop in. 400 crank will require the rods and new pistons be balanced to support the 383 combo. Best to buy a crank kit with the correct sized journals.

But you can get the crank turned and just buy 383 pistons with the correct installed hieght. But you will need to get it balanced at the machine shop. In my local area machine work is very expensive its almost always cheaper to do the work at home with parts that fit what in have. I try to stick to drop in ready if at all possible. Just have the bores done. If it needs lined bored i just crap another block from my secret stash.

Hope this helps. If you want part numbers just check the forum this question has been answered several times.


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