I'd believe Tom over Chilton's.
Gordon Glasgow
Renton, WA
> -----Original Message-----
> From: owner-datsun-roadsters@autox.team.net
> [mailto:owner-datsun-roadsters@autox.team.net]On Behalf Of Jim Cawrse
> Sent: Wednesday, May 15, 2002 9:22 PM
> To: Datsun Roadsters
> Cc: Brad Holmes
> Subject: Torque Values for re-assembly...again
>
>
> For all:
> I am getting ready to put my stroker back together. For folks
> who have followed this thread I decided not to attempt to fix
> the rear main oil seal leak after carefully looking over the care
> that apparently was put into balancing the rotating assembly.
> Its seen the tach buried at several autocrosses, I think
> I will leave well enough alone.
>
> Some other unusual features of this engine besides the porting
> and giant valves, it has double valve springs. Also, does
> the stock 1600 oil pan have baffles in it. Just wondering,
> mine does. Holds about 5.5 quarts. Looks like the stock
> steel pan though.
>
> Paul, of OROC, stopped by and visited today on
> his way to other destinations, and agreed it was
> a most unusually high performance version of a
> stroker 1600.
>
> In any event, the torque values that concern me, after
> comparing "Toms Tech Tips", a reprint of an old
> Chiltons manual, and the original shop manual
> (the parts of it I can still read) are as follows:
>
> Head bolts: Tom says 50, Chiltons says 40, original
> manual says 45 to 50. This is a no
> brainer, with the high compression I will
> carefully take it to 50, unless otherwise advised.
>
> Rocker shaft:No body says anything about these 4 studs except the
> original, which says 30-35, which seems way too
> much for those steel studs screwed into that little
> bit of aluminum. I plan on using the 3 finger on
> 6 inch wrench technique. Anotherwords, just
> good and snug.
>
> Flywheel to Crank: Chiltons says 69-76ft lbs, Tom says 35 Ft lbs.
> These things are allen head cap screws and were
> harder than hell to get out. They were also put
> in with some kind of loctite. I dont know what to
> do about this, but am planning on as tight as I
> dare, or around 50lbs, and using red loctite.
>
> Thanks in advance to all you engine builders out there.
> Best Regards,
>
> Jim
> Chesapeake, Va
> 67 pushrod 2L 5spd
> 72 510 sportwagonGet more from the Web. FREE MSN Explorer download :
> http://explorer.msn.com
>
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