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4/10/12 7:20pm - Original Message: 'Looking for bolt size'
tinbender
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edgwood, MD - USA

Vette(s):
1975 convertible,with the hard top and power streering.it a 350 L48 with auto trans. the color is light blue.

Joined: 11/1/2007
Posts: 736
I'm changing the hold down on my valve covers from studs back to bolts....my question is what is what size bolts are used with the black finned alumnimum covers.(1/4-20 x?)
                         Rick
 


|UPDATED|4/10/2012 5:20:26 PM (AZT)|/UPDATED|
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4/10/12 8:32pm - Reply: 'Re: Looking for bolt size'
danascar
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Germansville, PA - USA

Vette(s):
1974 Coupe 358ci 4 speed Black w/Medium Saddle interior w/79 custom leather seats. 1999 Covertible, 6 speed, Atomic orange, Oak interior

Joined: 1/28/2010
Posts: 763
Yup...1/4-20 if older style heads...center bolt heads????.

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4/10/12 8:35pm - Reply: 'Re: Looking for bolt size'
Jaws79 Lifetime Member
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Sykesville, MD - USA

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Joined: 4/27/2008
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I think Rick wants the length, Dan! I'm not sure of that! Sorry, Rick!
 
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4/10/12 8:51pm - Reply: 'Re: Looking for bolt size'
danascar
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Germansville, PA - USA

Vette(s):
1974 Coupe 358ci 4 speed Black w/Medium Saddle interior w/79 custom leather seats. 1999 Covertible, 6 speed, Atomic orange, Oak interior

Joined: 1/28/2010
Posts: 763
You are right as usual Barry...didn't read past the 1/4-20....Wacko

|UPDATED|4/10/2012 6:51:05 PM (AZT)|/UPDATED|


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Dan T
 

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4/11/12 5:08am - Reply: 'Re: Looking for bolt size'
Jeffm Gold Member
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Sebago Lake, ME - USA

Vette(s):
1978 Silver Anniversary L82 4spd (M21) Red Leather. -1978 Pace Car L82 4spd (M21) 20k miles.

Joined: 2/15/2007
Posts: 962
Found one I replaced. Measures 1" from below the head. Some of the suppliers sell the corect replacements for the finned aluminum covers.

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4/11/12 7:40am - Reply: 'Re: Looking for bolt size'
tinbender
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edgwood, MD - USA

Vette(s):
1975 convertible,with the hard top and power streering.it a 350 L48 with auto trans. the color is light blue.

Joined: 11/1/2007
Posts: 736
Sorry about that.....yep Barry I'm looking for the length,I don know if they are 1/4-20x1 or 1/4-20x1-1/4
                                Rick

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4/11/12 11:37am - Reply: 'Re: Looking for bolt size'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
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Ya gotta figure in the thickness of the gaskets, too. There are some out there that are about twice as thick as originals...most aftermarket gaskets seem to be a little thicker. So, if you happen to have the cast covers with thick gaskets, the 1 1/4" will prolly be correct.

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