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Head bolt torque specs

Kid_Again

Well-known member
Joined
Jul 6, 2004
Messages
1,171
Location
NJ - Which exit you from?
Corvette
65 SB Roadster, 66 BB Coupe
What are the specs for head bolts on aluminum heads? Are they the same as iron heads?

Thanks in advance.
 
Joined
Jan 1, 2002
Messages
7,246
Location
Washington, Michigan
Corvette
'67 Marina Blue Convertible
Shop manual sez 65 for SB iron heads and 80 for BB iron heads, and calls out short bolts on BB aluminum heads at 65 and long bolts at 75. If you don't have factory heads, I'd check with the manufacturer. Aluminum heads require hardened washers under the bolt heads, with oil between the washer and the underside of the bolt head. :)
 

Viet Nam Vett

Well-known member
Joined
May 28, 2004
Messages
2,410
Location
Egg Harbor Township NJ
Corvette
65 BB 502 Cp /MSD ATOMIC EFI/ 2009-HUMMER H2
with oil between the washer and the underside of the bolt head. :)

Got That Kid... He said Oil....Not Martini..!!!!:D
 

Kid_Again

Well-known member
Joined
Jul 6, 2004
Messages
1,171
Location
NJ - Which exit you from?
Corvette
65 SB Roadster, 66 BB Coupe
As always, thanks John.

Mark, he DID NOT SAY that I couldn't thin 90wt oil with equal parts of a Lemon Drop (Absolute Citron, Triple Sec, Dry Vermouth and a dash of Rose's Lime Juice). Lesse here, one for me, one for the car. :m


Gawd, they should name the beer emoticon after JohnZ and the martini one after me. I'll drink to that.
 

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