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Tensioner Pulley Failure

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Old Aug 17, 2017 | 07:53 AM
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Good luck getting it all sorted out, and this is exactly why I went turbo instead of S/C.
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Old Aug 17, 2017 | 07:59 AM
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Originally Posted by 01ssreda4
Good luck getting it all sorted out, and this is exactly why I went turbo instead of S/C.
Say what you will, but I have sold plenty of ProCharger kits to people who already had turbo kits, and were tired of messing with them. Bob
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Old Aug 17, 2017 | 02:43 PM
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It really wasn't too bad once I got into it. Took about 6-7 hours in total to re-install it all. That was going in blindly as I did not install this originally.

Honestly, if that bolt to the tensioner pulley was longer and had lock-tite on it, none of this would have ever happened to begin with. I say that only because the new pulley assembly now comes with a longer bolt, and lock-tite applied....which was already dried up....so I had to clean the bolt and re-apply new lock-tite. Needless to say, all the bolts in the whole system are tight to spec, and I used lock-tite on the tensioner pulley bolt.

Hopefully she'll be maintenance free for awhile now. If not, I might switch over to a turbo LOL.
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Old Aug 19, 2017 | 10:28 PM
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I put the air filter back on after cleaning and re-oiling it, then installed the pipe off the front of the head unit and ran the hose up to the PVC.

That finished the install.

I started re-looking over everything, making sure I didn't forget anything.

Upon doing so, I noticed (2) things:

1 - there was oil pooled at the bottom of the head unit. About 1 drop. As I mentioned earlier, I changed the oil in the head unit since I had it completely out of the car. I also wiped it down really good before re-installing it. I went ahead and checked the allen head bolts on the head unit and tightened them down further (the ones not to install the head unit to the mounting bracket, but the smaller ones against what appears to be a metal ring/gasket). They didn't feel loose at all which makes me wonder why oil was there...





2 - the pulley coming off the head unit (4.38) comes REALLY close to the large pulley that mounts to the J-bracket. Now I have to ask - what position should this pulley be installed at? In which of the (3) holes? It was originally installed in the hole closest to the head unit (furthest from the crank pulley). It has always been in this location since day 1. I did not move it since that pulley was not damaged.



Maybe it is OK for these two pulleys to be so close to one another, but it leaves me a bit uneasy after already having to replace several pulleys last summer when the pulley let loose.

If the pulley needs to move to the middle hole, or hole closest to the crank, what does that do to the belt I have on the car currently? Here is the belt. I believe it's 53.5", but don't quote me on that. It's been a long day.


Last edited by 35th-anv-ss; Aug 20, 2017 at 08:45 AM.
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Old Aug 20, 2017 | 08:38 AM
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Originally Posted by 01ssreda4
Good luck getting it all sorted out, and this is exactly why I went turbo instead of S/C.
Because all blower kits spontaneously combust? I can pull my blower off the car faster and have more room under the hood to work with being blown and not having a got side to deal with.
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Old Aug 20, 2017 | 02:56 PM
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Originally Posted by ddnspider
Because all blower kits spontaneously combust? I can pull my blower off the car faster and have more room under the hood to work with being blown and not having a got side to deal with.
Obviously you are partial to those systems, I'm not stating they are junk, they have some advantages and disadvantages. I'm sure you are familiar with these. However one of the main complaints I've seen is belt issues. I knew a local guy that did a really nice D1 setup and had nothing but problems. I was there at the track with him one night when he was fighting belt issues. I don't have the patience for that, hey maybe you do.
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Old Aug 20, 2017 | 02:57 PM
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And the other point and also equally important, no matter how many kits Bob has sold, the fastest cars consistently run other types of power adders. So there's that.
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Old Aug 20, 2017 | 03:11 PM
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Originally Posted by 01ssreda4
Obviously you are partial to those systems, I'm not stating they are junk, they have some advantages and disadvantages. I'm sure you are familiar with these. However one of the main complaints I've seen is belt issues. I knew a local guy that did a really nice D1 setup and had nothing but problems. I was there at the track with him one night when he was fighting belt issues. I don't have the patience for that, hey maybe you do.
Ive ran a turbo setup, an N2O setup, and a blower setup, have you personally tried them all? And the fastest cars being n20 or turbo has zero to do with a DD or real streetcar. Turbos are great and have their plus and minus just like blowers. But saying "this is why I went turbo" when it's blatantly obvious it's a random catastrophic failure is just being ignorant. I could say the same thing about turbos blowing up cause way more turbos blow up than Procharger.....but I wouldn't say that because I understand both sides have their good and bad.

Last edited by ddnspider; Aug 21, 2017 at 09:23 AM.
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Old Aug 20, 2017 | 07:08 PM
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Do either of you have anything of substance to add to my post.....or no?
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Old Aug 21, 2017 | 06:38 AM
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Originally Posted by 35th-anv-ss
Do either of you have anything of substance to add to my post.....or no?
A drop of oil on the bottom of the head unit is nothing to worry about.

Giving more specific info like an actual measurement may give a better response instead of "really close". Plenty of people run their pulleys close enough to barely get a finger tip in and dont have issues.
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Old Aug 21, 2017 | 08:09 AM
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Originally Posted by ddnspider
A drop of oil on the bottom of the head unit is nothing to worry about.

Giving more specific info like an actual measurement may give a better response instead of "really close". Plenty of people run their pulleys close enough to barely get a finger tip in and dont have issues.
I cannot physically get anything up there to take a measurement or I would have stated the spacing. With the belt on, it looks even closer, but the belt makes it difficult to see the pulley. If I had to take an educated guess, it is about the thickness of the belt itself since I was able to squeeze the belt between the pulleys. Maybe 1/16"? Could be a ch more, give or take.

Last edited by 35th-anv-ss; Aug 21, 2017 at 08:14 AM.
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Old Aug 21, 2017 | 08:19 AM
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Originally Posted by 35th-anv-ss
Do either of you have anything of substance to add to my post.....or no?
Oh, you havent figured out you dont control the internet. Sorry to disappoint you.
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Old Aug 21, 2017 | 09:22 AM
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Originally Posted by 35th-anv-ss
I cannot physically get anything up there to take a measurement or I would have stated the spacing. With the belt on, it looks even closer, but the belt makes it difficult to see the pulley. If I had to take an educated guess, it is about the thickness of the belt itself since I was able to squeeze the belt between the pulleys. Maybe 1/16"? Could be a ch more, give or take.
I'd run it and just watch for belt dust. 1/16" doesn't bother me.
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Old Aug 21, 2017 | 09:22 AM
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Originally Posted by 01ssreda4
Oh, you havent figured out you dont control the internet. Sorry to disappoint you.
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Old Aug 21, 2017 | 10:32 AM
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Originally Posted by ddnspider
I'd run it and just watch for belt dust. 1/16" doesn't bother me.
I agree, that is fairly common. Bob
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Old Aug 21, 2017 | 09:56 PM
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Alright. Sounds good.

Changed the oil in the car and got the battery charged up. Just need to refill the anti-freeze, put the new rotors/pads/ss lines and tires on and she should be ready for the street again.
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Old Sep 3, 2017 | 11:53 PM
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The car got started today for the first time in almost 15 months. It was a bittersweet moment. So far everything appears to be working properly. I let it run about 10 minutes watching things. Taking it to get new plates and then the test drive.
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Old Sep 4, 2017 | 07:47 AM
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Congrats. Always feels good when the cars been down a long time and you fire it back up.
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