03-09-2015, 10:52 PM | #1 |
Registered User
Join Date: Feb 2014
Location: virginia
Posts: 59
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Lets build a 400
Hello everyone I recently purchased a sbc 400 with the intention of building a nice reliable torque motor and im asking for your imput and guidance. Ok to start I ive never built a motor before replaced a few head gaskets but thats about it.
I do know alittle bit about most of this stuff just reading all of your posts on here but again only way to learn is hands on.. So what ive got is a early 70s 4 bolt main. 400 cast#3951511 from what I can reseach it was a 255 hp motor from the factory. Im looking more for 350hp 375tq or a little more. Torque off idle and still rev up there with out concern this motor will never see RPMS above 4500-5000. But I would like to have the ability to drop a gear and pass some preus doing 50 in a 55. Lol. My plan is to find some Vortec heads to replace what it had I know ill need to drill steam holes that dosnt seem to big a deal Would like a roller cam and lifter setup (maybe rockers to) Flat top pistons I would like to use the factory crank and connecting rods but maybe you all could steer me in a better path. As far as a carb im up for imput I have a good quadrajet in the truck now but if theres better im game Here is a link to something I found that is very close to what I want to build http://www.hotrod.com/how-to/engine/...ster-for-2500/ This is going in my 78 k20 with a sm465/205 and 4.56 gsears with 33s the 350 in it now is pushing 2500rpm at 55 so it needs to be able to handle the rpms Any imput will be greatly appreciated and I will post pictures of what I have asap
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94 Silverado 1500 ext. Cab short bed 350 nv4500 (factory) 78 K20 350 (soon to be 400sbc if I can find one) sm465 205 dana44 14bff 6in lift on 37" militarys |
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