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02-28-2013, 09:54 PM | #26 |
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Join Date: Feb 2011
Location: Under the Truck Dreaming
Posts: 642
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Re: *** 400/406 sbc BUILDERS PLEASE READ ***
Spend a little extra on head gaskets. I have had trouble with the blue ones in the 19 years since I built my 406. I found a good selection at Jegs recently, Cometic I think.
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72 K20 Custom Camper, D60, 14BFF, full roller 406 TPI w custom built ECU and yes..it has tow hooks... |
03-01-2013, 08:05 AM | #27 |
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Join Date: May 2007
Location: Mooresville NC/Gainesville GA
Posts: 499
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Re: *** 400/406 sbc BUILDERS PLEASE READ ***
I've built a few 400's and you are gonna love the torque. I have a few tips for you.
1. Have the block surfaced/squared. 400's are bad about not being square. This is why people have head gasket issues. 2.Have it aligned honed. You will need a special rear main seal. 3.Don't use the stock 5.65" rods. Use at least 5.7" rod. 4.Modify your Vortec's for at least 525 lift. The last one I did I used a Lunati Voodoo cam 504/525 lift with some AFR 195 heads and it is a great all around combo. Its in a 69 Camaro w/ a 5 speed. I would go one size smaller on the cam for a truck.
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Eric Evans Queen City Shop Truck http://67-72chevytrucks.com/vboard/s...34#post6139834 66 GMC http://67-72chevytrucks.com/vboard/s...d.php?t=543110 |
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