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stallion0606 08-08-2011 08:04 PM

What engine should I build?
 
i have a 350 block, 350 heads, 400 crank, 350 pistons, and 305 h rods. what need to be done to build a proper 383 stroker

Scandinavian 08-12-2011 07:47 AM

Quote:

Originally Posted by stallion0606
i have a 350 block, 350 heads, 400 crank, 350 pistons, and 305 h rods. what need to be done to build a proper 383 stroker

messurements on the parts would help!

bigdog7373 08-12-2011 08:45 AM

Get a 383 crank, rods, and pistons.

swvalcon 08-12-2011 10:02 AM

Grinding a 400 crank to 383 will cost as much or more than a aftermarket. 350 pistons wont work wrong pin hight. best to buy a ready made kit.

bigdog7373 08-12-2011 12:22 PM

Heres a good deal on a rotating assembly for a street engine. http://www.northernautoparts.com/Pro...tModelId=14966
Just have to get it balanced.

F-BIRD'88 08-12-2011 05:31 PM

Get a set of 400 SBC 5.565" connecting rods. The mains on the crank need to be turned down to the 350 crank size. The 400 crank will need to be re-balanced.

The 350 block will need some hand clearance grinding on the bottoms of the cylinders and the oil pan rail for crank/rod clearance.

lil red s10 08-12-2011 08:08 PM

i thought a 400 crank in a 350 + 30 over made it a 383??? and that the block had to be machined??

there's a lot i dont know... so just asking questions.

larryf 08-12-2011 08:40 PM

Quote:

Originally Posted by stallion0606
i have a 350 block, 350 heads, 400 crank, 350 pistons, and 305 h rods. what need to be done to build a proper 383 stroker

Competition Products in Oshkosh Wis. has excellantprices,sharp phone techs,and free shipping.Lot cheaper than reinventing the wheel,Google them.GEt us the numbers on the block and heads.Just my thoughts.LARRY :) All you need to start is a rotating assembly

stallion0606 01-13-2012 08:49 PM

i do have a stock 400sbc (as far as i know) and a stock 350 sbc complete. and a set of 305 h rods and pistons stock. i would appreciate some ideas. going in a 1985 pontiac traans am

327NUT 01-13-2012 09:44 PM

..........and 5 months later he returns ?????? If you have a complete 400 sbc then just build it into a 406, why spend a lot of money to get a lesser engine? A 406 will chit on a 383 with the same parts.

stallion0606 01-18-2012 07:23 PM

what do i need to do or get for that 400 to a 406

68NovaSS 01-18-2012 07:33 PM

Have it bored +.030. You'll need .030 oversize pistons.

68NovaSS 01-18-2012 11:15 PM

Quote:

Originally Posted by lil red s10
i thought a 400 crank in a 350 + 30 over made it a 383???

Yes, but it only means a crank with a 400's stroke of 3.75". You can use an OEM 400 crank but need to resize the journals to 350 specs.

stallion0606 01-20-2012 11:50 PM

is there any more suggestions on that 406 or how to keep that engine cool that those engines are known for. would getting it internally balanced do any good or should i leave that part alone. anything helps thanks

F-BIRD'88 01-21-2012 06:15 AM

my 400sbc has never overheated. Its a myth.


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