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whats the torque specs for a 904 flex plate and torque converter bolts? this is a 1970
Tight! Sounds like you need a service manual. Download one from Mymopar.com I believe.
Flex plate to crankshaft bolts, red locktite and Ingersol Rand IR231C. Flex plate to converter bolts, red locktite and Snap On FAR72C.
use blue loctite and never have a problem....but
Red or blue which is it guys? LOL
mix it up.....well..I use blue and I dont torque the converter bolts either....lol
Reminds me of what I've been told about industrial plumbing fittings before. Tighten it until you see black (the point at which you pass out!)...
I tried to torque converter to flex plate once to 200 in-lb IIRC. Stripped out 2 threads in convertor; so put on red loctite until could fix it 4 yrs later when trany out. Since then use blue loctite and just titen by feel with short 1/2" wrench.
Loctite? Don't think I've ever used it on flexplate bolts, or convertor bolts for that matter. Maybe I've just gotten lucky. I pound the flexplate to crankshaft bolts with my impact, and use a box end wrench on the convertor bolts, being careful not to bust any more knuckles. LOL
I like red there. I don't slobber it all over. They say use blue on something you want to take back apart. Red is much stronger. I prefer red there........just don't use a pile of it.
Dr. Google brought me back to a thread here, (go figure) where barracudadave67 quoted from a '69 FSM that said 270 inch pounds (22.5 ft lbs) for the convertor bolts, and 55 ft lbs for the crank side.
Torque specs here: Chrysler Small Block (LA Series) Torque Specs
I'm so friggen old there wasn't Locktite back then. You tightened them until they were tight. A little common sense goes a long way.
99 % of the time i am tightening converter bolts with 7/16 thread....not the 5/16 stock ones..
Tighten it until it breaks and back it off 1 turn. lol
Just for the OP's information, what torque spec did we find wrong in the manual. Like rocker arm hold downs or something like that. People were twisting stuff off left and right.
Yes sir. Almost all manuals have the rocker shaft bolt torque at 30 LB FT. It's 15-17.
this is what I've always done but since this was a ground up build thought I'd be precise.
Thanks everyone . Tighten till it's tight. Blue lock tite. Got it .
Certainly nothing wrong with that!
Strip it and half a turn back?
From a 1971 FSM: 6 or 8 cyl [not hemi] flexplate to crank ----- 7/16-20 [fine] ----- 55 ft/lbs flexplate to converter------5/16-24 [fine] ------270 in/lbs