Crankshaft centerline in 70 roadrunner

RR2967 · May 15, 2019

Gentlemen, (and ladies...) I need some serious help with a 70 Roadrunner that I am trying to piece back together. The k-frame was damaged beyond repair so I decided to go aftermarket. Does anyone know what the crankshaft centerline should be compared to the frame or any other reference point? I am planning to use an engine plate on the front of the engine but I need to know where and how to locate the engine back to the stock location. Any help would be appreciated.

65wgn440 · May 15, 2019

I have mocked up engine and trans and mounted trans with stock mount to body, and then set engine height for your proper driveshaft angle.

RR2967 · May 15, 2019

Thanks for your reply 65wgn, I agree that would be the easiest route except that I am also installing a Tremec TKO 5 speed so the trans mount is modified as well. I am planning to run the original air grabber so I really need to set the engine height first to original dimensions and then adjust the cross member to align driveline.

33 IMP · May 15, 2019

I've seen that info, IF i remember right, on tti headers site. Gives a distance from k member to crank centerline, and left to right measurements too. If I'm wrong, keep looking (maybe it was some other header site), the info is out there.

Hemirunner · May 16, 2019

My junk is nowhere near stock so I’m not much help, but I believe the AR Engineering engine plates will put the engine in the stock location if you don’t already have a plate.

Crankshaft centerline in 70 roadrunner

RR2967

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65wgn440

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RR2967

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33 IMP

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Hemirunner

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