Any write up's on Installation Of underdrive pulleys?
pretty much:
-put car in reverse (for manual)
-take stock belts off
-take off stock bolt with impact gun or breaker bar with pipe for leverage
-use three jawed puller to grab three inner tabs on stock pulley, and pull off
-heat up new pulley in oven to 200 deg
-slip on pulley and press on with old bolt, longer bolt, or threaded rod and nut/washer
-torque old bolt to 240 ft-lbs and then remove
-install new GM bolt and torque to 37 ft-lbs
-turn bolt additional 140° (torque to yield bolt)
-install shorter belts
-drink beer
https://ls1tech.com/forums/removed-locked-thread-graveyard/391883-new-crank-dampener-installation-tool-pics.html
fwiw, I was able to slide my pulley on far enough after heating it up so that I could grab at least 3-4 crank threads to pull it on. Threaded rod is the safest bet though.
-put car in reverse (for manual)
-take stock belts off
-take off stock bolt with impact gun or breaker bar with pipe for leverage
-use three jawed puller to grab three inner tabs on stock pulley, and pull off
-heat up new pulley in oven to 200 deg
-slip on pulley and press on with old bolt, longer bolt, or threaded rod and nut/washer
-torque old bolt to 240 ft-lbs and then remove
-install new GM bolt and torque to 37 ft-lbs
-turn bolt additional 140° (torque to yield bolt)
-install shorter belts
-drink beer
https://ls1tech.com/forums/removed-locked-thread-graveyard/391883-new-crank-dampener-installation-tool-pics.html
fwiw, I was able to slide my pulley on far enough after heating it up so that I could grab at least 3-4 crank threads to pull it on. Threaded rod is the safest bet though.
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Heat it up for an hour or so. It will slip on so that you can get 6-8 threads of the old bolt in. Then torque it down and follow the procedure above for the new bolt.
Nice to see the oven method mentioned. I have done this about a dozen times. Works like a charm. Y'all did make fun of me when I posted this a few years back though.
Nice to see the oven method mentioned. I have done this about a dozen times. Works like a charm. Y'all did make fun of me when I posted this a few years back though.
what does this rod bolt look like yall used to get the pulley back in? and what are my options on gettin this sucker back on there? do i have to get a new GM Bolt??
any more advice or tips would be great here i plan on doing this thursday or friday.
any more advice or tips would be great here i plan on doing this thursday or friday.
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Originally Posted by LightEmUpLs1
and what are them 3 threads on my new pulley in the middle, with the holes.?
That's what you use if you need to pull it off again. You have to use a different type puller.
Originally Posted by LightEmUpLs1
Got this bad boy for xmas and need some input/tips on installing it.
any help would be appreciated.
any help would be appreciated.
sweet good thing i didnt dig into it tonight like i was goin to cus i was just goin to reuse the stocker, probably would of been racing and the damn pulley would of shot off at 150mph
This tool is great for balancer installs: https://ls1tech.com/forums/showthread.php?t=391883
Might want to get an ARP crank bolt, then it can be reused.
Might want to get an ARP crank bolt, then it can be reused.
thanks for all the help guys i went to auto zone and rented a harmonic ballencer install kit which is very similar to that home made one, i also got the puller, im about to attempt it here in a few.
gthanks again
gthanks again
having trouble installing the balancer, it wont slip on but 1/4 of an inch so im throwing it in the oven? will this work you thinkk to fix it.? ive been trying to find a longer bolt to do the job but i cant find it anywhere?!?!
its an m16 with a 2 pitch.
any help or advice would be great here! thanks.
its an m16 with a 2 pitch.
any help or advice would be great here! thanks.


