Cross Member
#1
Cross Member
Put a 403 with a TH400 into a 1977 Siverado, The crossmember for the tranny will work with a bit of shuffling, the question I have is, the crossmember is the type that has a Y looking ends, the top section of the Y is bolted downwards from the frame, I am going to have to move the xmember back to accomodate for the TH400 which isnt a big deal but do I really need to use the Y looking ends or can I just bolt it straight to the frame??
Thanks
Al
Thanks
Al
#4
You might try making a plate to make it work. If its within a few inchs like 4 or 5 should work by cutting a plate that bolts to the trans. Than relocates the mount where bolts to the cross member normally. You can use a 1/8 inch metal plate cut it to size drill 4 holes in it use the mount for the right spacing between the holes. I would check in the engine forum I have read where a few guys on the sight have done the same swap. They might have better advise for you.
#5
If the mounting works out fine for the drive line angle the yes just bolt the crossmember to the frame. Use grade 8 bolts. You can build spacers for transmission mount at the transmission if you need to raise the angle
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