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Elite Veteran
Posts: 769
  
| Does anybody know if 70 magnum exhaust manifolds work on a 60-64? |
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Expert
Posts: 3777
 
Location: NorCal | From an eyeball perspective I believe the B and E-body right side manifold exit flange position might be a problem but a C-body Magnum manifold might work. Always wanted to try it. |
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Expert 5K+
Posts: 9666
Location: So. Cal | When I compared my B-body HP manifolds to my DeSoto, I didn't see any issues with it. But I didn't actually try it out yet. The C-E body left manifold looks like it would fit better, but this is just from looking at the space, without actually trying it out. |
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Expert
Posts: 3777
Location: NorCal | Yeah, I had a brain fart...the LH manifold would be the issue. |
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Regular
Posts: 66
Location: Ferndale, WA 98248 | When my shop installed the 440 from a 71 New Yorker in my 61 Newport, the 71 exhaust manifolds would not fit. They tried dropping the 440 in with the manifolds attached, and then tried re-attaching the manifolds after the 440 was in place (it dropped right on the 361's motor mounts). We ended up re-using the 361's exhaust manifolds. With cross rams and 2.5" dual exhaust with an H pipe it breathes just fine. It was way too loud at first without the H pipe.
On a side note, the 440's oil pan was also too deep, so it has the pan off the 361 too. |
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Expert
Posts: 3777
Location: NorCal | Were the exhaust manifolds HP or standard performance? The 440 TNT (HP) was available in the '71 NY but not as common as the standard performance. |
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Regular
Posts: 66
Location: Ferndale, WA 98248 | Standard manifolds, part #s 2899876 and 2951861. I still have them.
I swapped out the complete drivetrain from the 71 NY to the 61 Newport - motor, trans, driveline, rear axle. The cross rams like the part-throttle kick down that was first available on 71 TFs. Standard u-joints on both ends, and no more tapered bearings in the rear. The 71 rear end was a little wider, my shop just cut the perches off and welded them back on to fit the 61. Wheels now fill the rear fender openings nicely, and it handles a bit better with the wider stance in the rear. |
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Elite Veteran
Posts: 769
| The manifolds I have are from a 70 GTX
I will be pulling a 383 out of a 63 300.
I will test fit manifolds at that time and post results.
I have a 61 Plymouth that has 62 max wedge headers on it.
They fit ok,but there is NO room for power brake booster or heater box |
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70 magnum exhaust manifolds on 60-64
