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#1
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Headder bolts
I spent 5 hours last ningt putting the gaskets between the engine heads and the exhaust headders. Most of that time was on the @@#%^^&&*!!!! rear center bolt on each side. Gonna make a special wrench for them.
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#2
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D ports?
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#3
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I use this kind of bolt on my hedders. No issues what so ever. Only thing I did was to shorten the end of the allen wrench a little bit!!
http://www.mcmaster.com/#socket-head-cap-screws/=hw889s
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Keith Collier 61-63 Pontiac Tempest Tech advisor POCI.org |
#4
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Quote:
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#5
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I like 12 points-But have to use hex in the center and have the bolts in the holes before installing. Have a custom made hex wrench also. Make sure your bolts are not too long and bottom out before going tight against the flange . On a couple restorations the headers were on the engine in the front crossmember engine cradle and just lowered the body down over every thing-put in the six bolts and bolted up the trans-crossmember. I used Hooker 68 GTO D-ports. Fit Great
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#6
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That one can be a little tough. I use an older style small integrated washer hex bolt. This is my 462 in my truck and it does get a little rough at times. My long Mac knuckle saver box end wrench works the best, and I do have to access from underneath.
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1963 Tempest Convertible Pontiac-Powered Funny Car: 400 block, Littlefield 8-71 blower, Enderle injection, custom blower intake, three-disc glide clutch, three-speed Lenco |
#7
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The best and only way to do this and make it a lot easier is,
Test fit your headers on an engine stand. Nothing is in your way and you can dimple the tubes a little and test with a wrengh boxed or opened end. I won't install headers without doing this first. It's just to hard trying to fit a new set of headers for the first time in the car. Hope this helps in this situation as every one knows what a pain headers are to install. GT. |
#8
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They do make a header bolt with a 3/8 head on it also.
Theres a lot more room using a 3/8's wrengh compared to a 7/16 wrengh. GT. |
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