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Flex plate to crankshaft bolts torque spec
Posted by: mattlockwood ()
Date: April 18, 2017 09:43AM

What is the torque spec for the crankshaft bolts to the flexplate?

Also- bellhousing to case torque specs?

Thx so much.

Matt

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Re: Flex plate to crankshaft bolts torque spec
Posted by: Lane66m ()
Date: April 18, 2017 10:39AM

Shop manual has specs in the last chapter. Might be able to find a copy on Corvanatics Web site.

Al Lane
Ellabell GA

1966 Monza Coupe, 110 hp, 4 Spd
1966 Corsa Turbo Coupe, 180 hp 4 Spd
1964 Greenbrier Deluxe, 6 dr, 80 hp car engine, PG
2015 Chevrolet Malibu 2LT
2015 GMC Sierra SLT Crew Cab
1968 Camaro SS Coupe 350 CI 295+ HP PG
1947 Farmall A tractor 15 hp


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Re: Flex plate to crankshaft bolts torque spec
Posted by: Frank DuVal ()
Date: April 18, 2017 10:57AM

A few questions. Early/late/location.

Where you are located makes a difference in torque values grinning smiley

I'm kiddingthumbs up

But year is important for some values that don't look like they would change.

Frank DuVal

Fredericksburg, VA

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Re: Flex plate to crankshaft bolts torque spec
Posted by: mattlockwood ()
Date: April 18, 2017 11:05AM

The motor is a 67.... not sure of the year on the PG but I wouldn't expect that would matter ...the bellhousing and flex plate came off a later model 110hp..

I did look in the Specifications chapter in the back of the manual, but I can't seem to find it.

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Re: Flex plate to crankshaft bolts torque spec
Posted by: davemotohead ()
Date: April 18, 2017 11:25AM

65 manual Pg 4 in the back Specifications : Flywheel or Clutch housing (Bell housing) 20-30 ft lbs, Flex plate to crank 20-30 ft lbs, Be aware that some of the Specs in the manual are wrong, check the FAQ's here at the top of the page for corrected values. Make sure you have the shorter flex plate bolts and not the long flywheel bolts or you will eat your cam gear!



Email me at: Dave Motohead

Sign my guest book!
[motoheadmall.com]
-----------------------------------
Rust Free Lancaster Ca

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Re: Flex plate to crankshaft bolts torque spec
Posted by: steve c goodman ()
Date: April 18, 2017 11:43AM

mattlockwood Wrote:
-------------------------------------------------------
> The motor is a 67.... not sure of the year on the
> PG but I wouldn't expect that would matter ...the
> bellhousing and flex plate came off a later model
> 110hp..
>
> I did look in the Specifications chapter in the
> back of the manual, but I can't seem to find it.

Steve sez: are you looking in 67 shop manual? Spec page 4 has the torque specs. I am looking at my 67 supplement right now.

After saying the above you need a 65 manual too, the 67 only covers changes.

best wishes, Steve
Rear Engine Spec. Inc. Golden, Colo.

1962 spyder 3.0L turbo 1965 Crown V8
1967 monza 110/4 1968 monza 110/4
1971 amante gt 110/4
CORSA/RMC/PPCC

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Re: Flex plate to crankshaft bolts torque spec
Posted by: mattlockwood ()
Date: April 18, 2017 12:04PM

"BOLTS, FLEX PLATE TO CRANK-SET OF 6-*"

What I got from Clarks.

Thx Dave Motohead.. love your videos!

Thx everyone.

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