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06-14-2008, 07:59 AM
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#1 |
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Registered User
Join Date: Jul 2007
Location: Maryland
Posts: 12
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Six to Eight swap
My neighbor has a 67 GMC 3/4 ton with the straight six and a stick. We have a Small Block 350 to put in it. I have done this afew times, but always added an automatic. He wants to keep the stick. Will we need to change the bellhousing? Will the SBC motor mounts hit holes already in the cradle? My first truck so I appreciate the info plus any tips. Looks easier than my 55 Wagon was?
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06-14-2008, 08:41 AM
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#2 |
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Chevy nut
Join Date: Jun 2007
Location: Springfield, Illinois
Posts: 2,266
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Re: Six to Eight swap
You dont have to change the bellhousing. That I know for sure. Someone else will chime in with the rest of the details.
__________________
84 Chevy Custom Deluxe 1/2 Ton Named Fade To Black II "Remember kids there is NO replacement for displacement!" |
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06-14-2008, 10:43 AM
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#3 |
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Senior Member
 
Join Date: Sep 2007
Location: Albuquerque NM
Posts: 7,862
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Re: Six to Eight swap
watch your clearance of the firewall vs. distributer if your going HEI.
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1967custom |
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06-14-2008, 12:27 PM
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#4 |
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Registered User
Join Date: Jul 2007
Location: Maryland
Posts: 12
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Re: Six to Eight swap
WOW, thanks for the good news on the BH!
Funny I had completely overlooked/forgotton about the HEI clearance issue. |
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06-14-2008, 12:30 PM
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#5 |
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Registered User
Join Date: Sep 2006
Location: Lompoc, Ca
Posts: 128
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Re: Six to Eight swap
You need to find the V8 mounts that go to the frame. And move the alternator wire to other side if your six is opposite the 8. .Im in the middle of doing mine right now to.
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06-14-2008, 12:42 PM
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#6 |
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Tire goomba extrordianaire
Join Date: Mar 2008
Location: Boiling Springs, PA USA
Posts: 132
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Re: Six to Eight swap
Also remember, there are several companies that make bell housings for the SB that will let you run just about any tranny you want and keep the mechanical linkage. You have to be careful, cause the stock bell housing is smaller than later trucks (4 11/16 vice 5 1/8 inch)
__________________
I was told recently by an old friend that the most telling thing he's seen from me is when we were in a bar with other friends reminiscing and mourning lost loves. The others talked of women and fun. I missed my '64 GMC. |
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