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Fred Mertz
02-11-2011, 08:55 PM
What would be the engine suffix letters for a 70 El Camino 55 454 LS5 with a M-21 trans?

Any idea on how many where made?

grandsport
02-11-2011, 09:44 PM
Hi Fred,welcome! Waving :p

flash
02-12-2011, 10:11 PM
Hi Fred ,Welcome from Georgia.

Hank70SS
02-13-2011, 06:26 AM
Hi Fred,

Didn't think that was a possible combination. Thought the only trans with a 70 454 was either TH400 or M22.

unclehulka
02-20-2011, 03:23 PM
Not 100% sure, but I think it would be CRT (LS-5 w/Manual Trans). I believe Hank is right about that combo. Both 454's had around 500 lb/ft of torque and I don't think Chevy wanted to warranty the installation of a TH350 or M21 with either engine. But I could be wrong.

Ms Grumpy
02-20-2011, 04:33 PM
Welcome Fred.

unclehulka
02-20-2011, 07:01 PM
BTW, Welcome, Fred!

shadowgray396
03-02-2011, 11:59 PM
Hi Fred,

Didn't think that was a possible combination. Thought the only trans with a 70 454 was either TH400 or M22.


X2 on that