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05-04-2016, 10:04 PM
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#1 |
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Registered User
Join Date: Apr 2016
Location: centre alabama
Posts: 5
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Motor mount help for 77 crossmember in 66 c10 using 94 clamshell engine mounts
What modification am I to do, keeping same motor mounts that came with 77 crossmember and installed in 66 c10. Also using 94 clamshell engine mounts. Thanks in advance.
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05-04-2016, 11:28 PM
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#2 |
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60-66 Nut
  Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,246
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Re: Motor mount help for 77 crossmember in 66 c10 using 94 clamshell engine mounts
If you use the frame brackets from the '77 C10, you will need a spacer on top of the frame about 1" tall. The C20 and C30 frame brackets fit the early frames much better. Some guys still use a 1/4" spacer on top of the frame.
__________________
Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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05-05-2016, 07:40 AM
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#3 |
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Registered User
Join Date: Apr 2016
Location: centre alabama
Posts: 5
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Re: Motor mount help for 77 crossmember in 66 c10 using 94 clamshell engine mounts
Thanks, Captain fab. Would any welding be needed for the 1 inch spacer?
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05-05-2016, 11:17 PM
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#4 |
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60-66 Nut
Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,246
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Re: Motor mount help for 77 crossmember in 66 c10 using 94 clamshell engine mounts
No you do not have to weld it. Just sandwich it between the engine mount bracket and the top flange of the frame.
__________________
Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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05-06-2016, 11:29 AM
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#5 |
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Registered User
Join Date: Jul 2004
Location: Lomita, Ca
Posts: 1,225
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Re: Motor mount help for 77 crossmember in 66 c10 using 94 clamshell engine mounts
i did a very similar thing your asking about. 1964 c10 with a 1977 c10 crossmember. 1999 vortec 350 with clamshell mounts. I mounted the 77 c10 perches, and as captain said, they are too tall, by about 1 inch. I didnt like the look of a spacer, so i cut each perch in half, removed the necessary amount of material, and tig welded it back together. fits like a glove now
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05-06-2016, 03:52 PM
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#6 |
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Registered User
Join Date: Apr 2016
Location: centre alabama
Posts: 5
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Re: Motor mount help for 77 crossmember in 66 c10 using 94 clamshell engine mounts
Thank you guys for the help, it is a head scratcher.
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