Moving on from 350" to a 400" SBC...
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On Probation
Joined: Mar 2010
Posts: 466
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Car: 1989 Formula,1991 z28
Engine: 400 Vortec Hsr,496bbc
Transmission: TKO600,TH400
Axle/Gears: 9"4.10, 9"3.73
Moving on from 350" to a 400" SBC...
i just recently scored a MINT 30k mile 2 bolt 400 from a motorhome that runs like a swiss watch...
Unsure right now what im going to do as far as heads go...but i may just swap my HSR/vortec heads onto it, along with the BBS single setup..
old 350's coming out next week, so as usual, ill flood you guys with pics ahah.
Unsure right now what im going to do as far as heads go...but i may just swap my HSR/vortec heads onto it, along with the BBS single setup..
old 350's coming out next week, so as usual, ill flood you guys with pics ahah.
Joined: Sep 2005
Posts: 27,881
Likes: 2,434
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: Moving on from 350" to a 400" SBC...
If you're running the 12.8" flywheel, have the extra starter bolt hole drilled BEFORE you drop the motor in and discover your starter won't bolt up to it.
Here's the one I had to drill in a 400 block I was using for a while.

It needs to be fairly precise; not easy to attain while laying on your back cursing at the exhaust.
Here's the one I had to drill in a 400 block I was using for a while.

It needs to be fairly precise; not easy to attain while laying on your back cursing at the exhaust.
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