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Underdrive Crank Pulley


the_game_rock
11-10-2005, 12:31 AM
Does anyone know how to install? Do you have to get differnet belts? I was looking at a OBX Underdrive Crank Pulley off ebay.

das2123
11-10-2005, 12:52 PM
Does anyone know how to install?Click the link for a how to get your stock pulley off. Once you have it off, you heat the UDP in the oven for like 20 minutes at 400°F
http://forums.neons.org/viewtopic.php?t=121498

Do you have to get differnet belts?Yes, you will need different belts, as now the diameter is smaller.

I was looking at a OBX Underdrive Crank Pulley off ebay.I haven't heard anything bad about that pulley. I know a few people running it now for about 35,000 miles with no problems.

the_game_rock
03-08-2006, 02:04 AM
Click the link for a how to get your stock pulley off. Once you have it off, you heat the UDP in the oven for like 20 minutes at 400°F
http://forums.neons.org/viewtopic.php?t=121498

Yes, you will need different belts, as now the diameter is smaller.

I haven't heard anything bad about that pulley. I know a few people running it now for about 35,000 miles with no problems.
I got it kinda on but I cant get it all the way on do you know how I can heres what the pulley looks like http://www.modernperformance.com/dcx/mpx_pulleys.jpg
We cant get the pulley on anymore without the damn thing spinning got any ideas?

das2123
03-08-2006, 08:58 AM
We cant get the pulley on anymore without the damn thing spinning got any ideas?The pulley is spinning? If so, just stick a crowbar or breaker bar through it to keep it from spinning. Thats what I did.

the_game_rock
03-08-2006, 09:58 AM
The pulley is spinning? If so, just stick a crowbar or breaker bar through it to keep it from spinning. Thats what I did.
where do I put it at??

das2123
03-08-2006, 11:27 AM
where do I put it at??Nevermind that, I was thinking of the stock pulley! You may have to pull it back off and reheat it, or you could try banging it on there, although I don't recommend this way!

the_game_rock
03-08-2006, 07:26 PM
Nevermind that, I was thinking of the stock pulley! You may have to pull it back off and reheat it, or you could try banging it on there, although I don't recommend this way!
well the damn thing is stuck on there I got off the bolt and cant get it off I got a pulley puller but the bolt is to big I grinded it down but I need to grind on it some more to get it to fit

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