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Detail Means EVERYTHING I have only built 2 400's with 305 heads, with one casting being a 416 and the other a 601 (DO NOT forget to have steam holes drilled) . They were put together with a very tight buget ($350), Already had a lot of parts from a few years collection (FREE or REALLY cheap). They both had 1.94 intake/1.6 exhaust (better with 2.02 intake) with a lot of at home chamber shrouding, porting and polishing. No idea on any proven numbers. A .045 head gasket. All ARP bolts in bottom end with all new bearing also in bottom end. Stock pistons with new rings , stock rods with some light grinding. Competiton Products had sale, so got two Elgin hyd. .480/.480 lift 230/230 dur.@.050 with 109 LSA 6000 rpm max. Best to keep stock rod 400 under 6500 rpm's with ARP bolt 5500 with stock bolts. One motor (416 heads) in 1980 camaro with best et @ 12.93 Other (601 heads) in 1986 Monte Carlo CL with best et @ 12.66 both cars have had been being built over the last 5 years with a lot of attention to transmission, rearends, suspention, tires and subtracting weight. FKR
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What small block Chevy heads can you use on a305 4bbl Chevy motor?
305 heads of course, 350 heads will fit for sure and possibly 400. obviously no big block heads will fit. a 305 with 400 heads gets you a little over 352. 350 with 400 heads is a 383. add and divide
Where can one purchase SBC aluminum heads?
There are a variety of places where one can purchase SBC aluminum heads. One can purchase SBC aluminum heads online on the eBay website, and other retailers as well.
Will a sbc 350 starter motor fit a sbc 400?
Yes.
Will a 350 sbc bolt to the same transmission as a 400 sbc?
yes
Will a sbc 350 flywheel fit sbc 400?
yes but it has to be 83 or newer
Can you swap a sbc 305 to a sbc 350 into a 1987 Chevy pickup and what else do you need to change?
YES. That is a direct bolt in.
Will a 1983 350 sbc flywheel work on a 1973 400 sbc?
No. The 400 is externally balanced and requires it's own flywheel.
Are sbc 350 pistons and sbc 400 pistons the same?
No. Standard 350 engines have 4.00" pistons, standard 400 pistons are 4.125".
Will a 350 sbc tune port injection fit in a 400 sbc?
It should work well.
What 350 will fit in a 1991 rs Camero?
yes... some rs camaros came with a 305 and the only difference between the 267, 289, 302, 305, 307, 327, 350, 400 sbc is the stroke and bore. the block itself is essentially the same.
What is the horsepowerof a 1972 sbc 400?
its about 350
How far can you bore a 400 sbc?
.030
