prevent engine rotation - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**guyryan100** · 11-06-2004, 06:13 PM

I'm trying to torque the damper into place... I've only got 1/16" left to go but the crank is spinning now (at about 55 lb/ft). I put in the spark plugs which helped a bit but I e\need to keep the crank from turning - what's the technique??

cduster · 11-06-2004, 06:19 PM

I have used a screwdriver wedged inbetween the teeth of the flexplate and the block.
Never had any problems that way, although it might not be an acceptable practice.

Dan

Longhorn Man · 11-06-2004, 06:33 PM

Shove a looong flat head inbetween the torque converter and fle plate. Let it turn untill it smacks the bellhousing...it won't move any more.
Just remember to remove it before starting engine.

junkyardjohn · 11-06-2004, 06:59 PM

MAC & SNAP-ON BOTH MAKE TOOLS TO TURN FLYWHEELS & FLEXPLATES. THEY WONT DAMAGE THE TEETH OR BEND THE FLEXPLATES. THE TOP ONE IS A MAC & THE BOTTOM ONE IS A SNAP-ON .

JOHN

**guyryan100** · 11-06-2004, 09:56 PM

In the end I just put a C-clamp on the flexplate and that did the trick.

Brainchild · 11-06-2004, 10:35 PM

Large vise grips will do the job nicely as well.Clamp them on the flexplate,and torque away.

grayw0lf · 11-07-2004, 05:55 AM

Who needs a torque wrench??? They are just play toys for girls! Get your impact wrench & tighten until you can't tighten any further. The bolt heads will pop right off when they are properly torqued.

11-06-2004, 06:13 PM	#1
guyryan100 Registered User Join Date: Sep 2001 Location: Cumming, GA Posts: 483	prevent engine rotation I'm trying to torque the damper into place... I've only got 1/16" left to go but the crank is spinning now (at about 55 lb/ft). I put in the spark plugs which helped a bit but I e\need to keep the crank from turning - what's the technique??

11-06-2004, 06:59 PM	#4
junkyardjohn Registered User Join Date: Aug 2001 Location: SOMERSET KY. Posts: 6,425	MAC & SNAP-ON BOTH MAKE TOOLS TO TURN FLYWHEELS & FLEXPLATES. THEY WONT DAMAGE THE TEETH OR BEND THE FLEXPLATES. THE TOP ONE IS A MAC & THE BOTTOM ONE IS A SNAP-ON . JOHN Attached Images __________________ junkyardjohn 69 1 TON TOW TRUCK // 84 4WD CUCV BLAZER// 85 1 TON 4WD STAKE TRUCK// 86 M1031 5/4 TON 4WD CUCV// ALOT OF OLD TRUCKS FOR ONE OLD MAN TO DRIVE. THERES ROOM FOR ALL OF GODS CREATURES RIGHT NEXT TO MY MASHED POTATOES// LIFE MEMBER OF P.E.T.A (PEOPLE EATING TASTY ANIMALS) DON'T RENT U-HAUL ALWAYS TELL THE TRUTH IT WILL AMAZE PART OF THE PEOPLE & ASTONISH THE REST

11-06-2004, 10:35 PM	#6
Brainchild Still drivin' a Rat Rod Join Date: Sep 2004 Location: Monett Missouri Posts: 4,925	Large vise grips will do the job nicely as well.Clamp them on the flexplate,and torque away. __________________ Rusty Member #13872 Instead of saying.....you are a discomfort in the back of my front.....one should be able to say...... you are a pain in the a$# 71 GMC LWB 49 Chevy 85 Chevy G20 Check out my website

11-07-2004, 05:55 AM	#7
grayw0lf Registered User Join Date: Apr 2004 Location: Clanton, AL Posts: 1,253	Who needs a torque wrench??? They are just play toys for girls! Get your impact wrench & tighten until you can't tighten any further. The bolt heads will pop right off when they are properly torqued. __________________ 85' CUCV M1009!!! The newest addition! 6.2diesel, Th400, NP208, & only 36k miles! 70' C-10 LWB Fleetside - Looking good these days! 05' Dodge Neon 88' Winner Escape Sport 1750 - 4.3v6 94' Seadoo SP 84' Honda TRX200, bare nekkid. Just a frame & tires. Always looking for another project or any good deal!

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11-06-2004, 06:19 PM	#2
cduster Registered User Join Date: Oct 2002 Location: S.W. Michigan Posts: 403	I have used a screwdriver wedged inbetween the teeth of the flexplate and the block. Never had any problems that way, although it might not be an acceptable practice. Dan

11-06-2004, 06:33 PM	#3
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	Shove a looong flat head inbetween the torque converter and fle plate. Let it turn untill it smacks the bellhousing...it won't move any more. Just remember to remove it before starting engine.

11-06-2004, 09:56 PM	#5
guyryan100 Registered User Join Date: Sep 2001 Location: Cumming, GA Posts: 483	In the end I just put a C-clamp on the flexplate and that did the trick.



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