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Questions tagged [sbc]

Small Block Chevy - referring to the line of Chevrolet V-8 engines

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2
votes
1answer
58 views

Newly built Chevy 350 won't start

I've just completed rebuilding my Suburban's 350 into a 383, and feels/sounds so, so close, and I'm not 100% sure what I'm missing yet. I think it might be just not getting fuel, but then I did some ...
5
votes
2answers
1k views

Grind/Crunch Sound Near Alternator (video)

1983 Chevy 305 small block. Hearing a grinding sound near the alternator. Is this a bearing or something grinding near the belt ? Not exactly sure how to diagnose. Video: https://www.youtube.com/...
7
votes
3answers
336 views

Quadrajet issues

1970 Chevrolet C20 Custom Camper Pickup SBC 350, Quadrajet carburetor I've been having some issues I believe are float related. Wanted to see if my thinking is correct. Issue #1 - takes a bit of ...
10
votes
3answers
13k views

Is the unreliability of the 400 Small Block Chev an Urban Myth?

The Gen 1 Small Block Chev gradually grew to 400cid. To achieve this massive volume the bores were siamesed and the conrods were shortened.The engine when produced in passenger car form had the same ...
9
votes
3answers
1k views

Should I replace piston rings on chevy 350?

I recently acquired a chevy 350 manufactured in 2015 for free because of some crank issues. I'm in the process of rebuilding it and have finished the disassembly of the engine. The engine itself only ...
8
votes
1answer
407 views

Would bored out 307 need new heads

I have a Chevy 307 with casting number 3970020 and everything I've read says this particular block can be bored out to 4" effectively making it a 327. I plan to have my machine shop test it and make ...
8
votes
1answer
655 views

Roller rockers to a stock valve train

78 Nova but the engine is from a different car; casting # V0707CMH. I have a 350 with 305 heads. Stock valves, pushrods, cam, and lifters. The nuts on my stock rocker arms are in need of replacement; ...
2
votes
2answers
879 views

Will a radiator still work properly if laid on its side?

So basically I made the decision of investing in a 1987 MK3 Supra with an 350 small block engine swap. The current radiator is not cutting it and the vehicle overheats after 10 miles of driving when ...