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#16135 07/18/2003 6:08 AM | Joined: Jul 2003 Posts: 101 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2003 Posts: 101 | Bought a GMC 302 for my 51 1-ton. Intake manifold has 3 studs about 3" long. I was told they were for the governor that I don't have and don't want to install. I don't know if I should try to put in shorter studs (I bet they would be H*** to remove after 50 years) or should I put in some kind of spacer.
Carb is a 2 bbl with 3 hole mount, not 2 like on the smaller motors with 1 bbl carbs.
Any suggestions? | | |
#16136 07/18/2003 6:45 AM | Joined: Feb 2001 Posts: 1,897 Member | | Member Joined: Feb 2001 Posts: 1,897 | Welcome to the Stovebolt  Have you thought of shortening the studs that are already there? Put some nuts on the studs down below the spot you want to shorten them to then cut the studs off. use a file on the edges just enough to take the edge off and remove the nuts to clean the threads 
There is enough good in the worst of us and enough bad in the best of us that it does not behoove any of us to criticize the rest of us.
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Be yourself. If you are ever lost, It will be much easier to find yourself if you know who you are!
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#16137 07/18/2003 2:11 PM | Joined: Jul 2003 Posts: 101 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2003 Posts: 101 | I think only the top 3/4" of the 3" stud is threaded, but I suppose that might make it easier to thread the rest of the stud then cut it off like you suggested. I just want to be sure that a spacer is not necessary for proper operation. I have also seen an "insulator" advertised for the carb to manifold connection on 228 and 248 motors. Makes me wonder if there is a heat issue necessitating a spacer or insulator.
thanks for your suggestion | | |
#16138 07/18/2003 3:07 PM | Joined: Feb 2001 Posts: 1,897 Member | | Member Joined: Feb 2001 Posts: 1,897 | Yes, the spacer is needed for that purpose but three inches is a little high. I think the stock spacer is about 58 to 3/4 inch.
There is enough good in the worst of us and enough bad in the best of us that it does not behoove any of us to criticize the rest of us.
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Be yourself. If you are ever lost, It will be much easier to find yourself if you know who you are!
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#16139 07/19/2003 2:57 AM | Joined: Jul 2003 Posts: 101 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2003 Posts: 101 | Mechainiac
Are you saying that a spacer is a necessity? Would it be for heat dissipation or clearance? Is this just for the 302? I was just looking at the 228 they're pulling out and all it has is a thick gasket (1/16") between the manifold and carb. Are you sure I need a 5/8 spacer?
thanks for the input | | |
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