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10-04-2006, 11:21 AM
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#21 |
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FORD is a 4 letter word.
Join Date: Feb 2006
Location: Western NY
Posts: 99
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Re: 406 Stroker help
A smallblock 400 has the same external dimensions as a 350 and a 305. However, it basically has 396 pistons in it, forcing GM to make 'siamese cylinders' meaning that there's no cooling jacket between cylinder walls. There are extra steam holes, so if you use 350 or 305 heads, you will need to get the steam holes added to the heads. Also, make sure that you use head gaskets for a 400, and NOT a 350.
I've NEVER had a problem with my 400 overheating. But, like stated above, I have a good radiator, a large fan, and a good water pump.
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'71 406 GMC Short Box Fleetside - Daily Driver '79 350 Chevy K-5 Blazer - On-going Project (Mudder)www.wnyoffroad.com '58 LT1 Chevy Short Box Step Side - Next Project |
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