North American Turbocoupe Organization



Retorque the head bolts?
thumper Offline
Posting Freak
#1
I'm gonna be doing a cam swap in the next week or so. As most know, I did a new HG about 100 miles ago. I figure it would be advisable to retorque the headbolts.

I was wondering though... with FelPro TTY bolts, what torque should I wrench them to? The conventional 90 ftlbs?

What would YOU do?
A.K.A. Corey Bennett

1988 TC: white, all options, 5-speed swap, K&N cone filter, "Ranger" roller camshaft, .60/.63 T3, NXS (Gillis-style) Boost Valve, Bosch BOV w/ check valve, Stinger 3" with axle dump (18" glass pack), 95A 3G

Some pictures: http://s639.photobucket.com/albums/uu111/cbennett4041/
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vegas_ss Offline
Senior Member
#2
I thought that you aren't suppose to retorque tty bolts... Hopefully an expert will chime in Wink
1987 TC, 5sp, Boport Stage 3 Head/2.1 Cam
1996 Impala SS, DCM, Borla Cat Back, too much other stuff!!!
2009 Pontiac G8 GXP 6M, 6.2l LS3, Kooks Long Tube, Hi Flo Cats, Mild Cam
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TurboCoupe50 Offline
Posting Freak
#3
Do not retorque... AFIK that's the main reason TTY bolts are used...

When turned the last 90*, the bolt actually stretches and will not quite assume it's original length, each time it's torqued it "grows" a little... I've heard every thing from they can be reused up to three times, to use once and discard...

What did the instructions say???
1988 Turbo Coupe331 AOD

1972 Comet GT

1969 Fairlane Cobra 428CJ 4-Speed
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Pete D Offline
Administrator
#4
I'm in with TurboCoupe50. I've heard various recommendations on the TTY. Go with the instructions
Pete Dunham


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thumper Offline
Posting Freak
#5
That does figure, I guess. Instructions say no retorque, ayeaye!
A.K.A. Corey Bennett

1988 TC: white, all options, 5-speed swap, K&N cone filter, "Ranger" roller camshaft, .60/.63 T3, NXS (Gillis-style) Boost Valve, Bosch BOV w/ check valve, Stinger 3" with axle dump (18" glass pack), 95A 3G

Some pictures: http://s639.photobucket.com/albums/uu111/cbennett4041/
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