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03-01-2007, 11:12 PM
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#1 |
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Registered User
Join Date: Oct 2003
Location: San Jose Ca.
Posts: 3,354
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Engine tower question
Does the engine tower bolt for a small block need to be grade 5 or grade 8? Also is 1 1/2 to long?
Thanks
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RIP to my son Dylan. 5/17/2002 - 8/18/2018 If you want to know more about rare forms of pediatric cancer or if you want to help fund pediatric cancer research, please check out the website for the non-profit I started. https://slothforpedcancer.org 68 build thread http://67-72chevytrucks.com/vboard/s...d.php?t=223234 |
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03-01-2007, 11:14 PM
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#2 |
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Registered User
Join Date: Jan 2006
Location: Morro Bay C.A
Posts: 179
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Re: Engine tower question
i would use a grade 8... and i believe the stock bolts are 1 inch but 1 1/2 should work fine
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'69 C10 SWB 350 edelbrock int/carb .420 .442 cam 700r4 70 lwb c10 work truck 250 I6 with two inch lift springs and a two inch bodylift and 33/12.5s |
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03-01-2007, 11:19 PM
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#3 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: Engine tower question
grade 5 is plenty strong. If i'm not mistaken, that's what they had originally.
The mount it's self is the weak point, it'll fall apart way before the bolt snaps. |
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03-01-2007, 11:20 PM
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#4 |
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Registered User
Join Date: Jan 2007
Location: shoreline, wa
Posts: 1,565
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Re: Engine tower question
i uesd grade 8 just to be safe
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