modtopcuda
Active Member
They are advertised to fit 1966-1970 B body. Will it fit A bodies? I can’t see there being any difference. Has anyone used them on A bodies? The crossmember looks like a real nice piece.
Bet it doesnt fit. B bodies are different.
So you don’t know. Transmission tunnels and crossmembers should all be the same. They all housed the same transmissions. All the same dimensions from motor mounts to engine mounts. Similar firewall locations.
Please don’t answer if you don’t actually know. Been working on Mopar for 35 Years and can’t see why there would be a difference. Holley may not know 100% because they fitted it for a B body and don’t want to say until they actually fit it to an A body.
Cut off wheel, drill and a welder will make it fit.. as many of us have been doing for many years. I don't know about you guys but probably 75% of the crap that the manufacturer says will fit doesn't.
Also the spacing between the torsion bars is wider on a B body than an A body, theres more room to increase bolt spacing and spread out the load. A body A904s and A833s were also a short tailshaft transmission. B bodies used a longer tailshaft trans so they werent exactly the same transmissions. Wasnt a Chevy Nova pull out the inline 6 and drop in a small block and use everything off the 6 including the transmission kinda thing. If nothing else Chrysler made everything different for each car line it seems lol.View attachment 1715698527
View attachment 1715698528
You are correct MoparMatt2000,
Here's a side by side comparison. Top pic is B Body. Although the center section is similar. the end section is different probably because floor pan between A and B body is different. Much longer spacing between bolt holes.
Holly does not show an A-Body Blackheart crossmember , probably because there is no demand for it. If it was an item there was a market for, I'm pretty sure they would make it.