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Go Back   REVscene Automotive Forum > Technical Discussion > Advanced Forced Induction & N/A Engine Tuning

Advanced Forced Induction & N/A Engine Tuning This forum is brought to you by Racing Greed in Port Coquitlam.
Supercharger vs Turbocharger vs NA? Hondata vs Megasquirt? 94oct vs 87oct? Through technical discussion, let's find out what will the best option for you...

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Old 08-15-2010, 05:45 AM   #1
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Cure to S/C Belt Slippage?

Hey guys, just had my tib tuned @ RG this past week, but we were having a problem with really bad belt slippage. When I changed my pulley, I also went down to a smaller belt which even seems to have must more tension than my old belt, but she's still slipping.

I know belt dressing won't really solve the problem, so what belt make do you other roots S/C guys suggest using? ATM It's a cheap prestone belt.
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Old 08-15-2010, 11:13 AM   #2
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What did RG suggest?
I'd suggest a better belt and a belt tensioner.
If that doesnt work then a wider belt. I'm assuming you've just got a four rib belt in there so step it up to a 7 rib but that would require new pulleys.
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Old 08-15-2010, 11:30 AM   #3
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Have you posted this on NT yet?
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Old 08-15-2010, 01:11 PM   #4
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Nah it's already a 6 rib. RG didn't suggest anything, we just used a bit of belt dressing that really didn't accomplish much. Belt tensioner is working great, I think i'll just need to invest in a better belt. This crappy tire one just isn't doing the trick =@
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Old 08-15-2010, 01:50 PM   #5
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You get what you pay for. Get yourself a better belt, one thats tried tested and true.
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Old 08-15-2010, 02:02 PM   #6
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^ I think he has one of the best you can buy if i'm not mistaken. Aftermarket support for the Tib is very weak, so there are only a few choices anyways
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Old 08-15-2010, 05:20 PM   #7
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what kind of a belt are you looking for ??? i have a spare belt if you could use it i'll never use it again but again i dunno what size you need / width etc
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Old 08-15-2010, 08:59 PM   #8
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I use a Goodyear Gatorback or NAPA belt for my MINI. No belt slippage but I drive hard so I replace my belts 2x a year.
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Old 08-15-2010, 09:11 PM   #9
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Quote:
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I use a Goodyear Gatorback or NAPA belt for my MINI. No belt slippage but I drive hard so I replace my belts 2x a year.
...you drive your car so hard that you need to replace 2 belts a year........ummm....ok
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Old 08-16-2010, 12:07 PM   #10
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I change it once before track season and once afterwards. Due to belt stretching, I replace mine accordingly. I check via the wear indicator on my belt tensioner.

If your car only sees street duty, then you could go on two year intervals.
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Old 08-17-2010, 07:29 PM   #11
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how much belt coverage does the pulley has?
I know for the honda K series engine, the two most commonly used superchargers has only about 30% coverage, add in a poor manual tensioner design by the s/c manufactures, people always has belt slip issues
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Old 08-21-2010, 01:33 AM   #12
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Quote:
Originally Posted by Bath Tussue View Post
how much belt coverage does the pulley has?
I know for the honda K series engine, the two most commonly used superchargers has only about 30% coverage, add in a poor manual tensioner design by the s/c manufactures, people always has belt slip issues
i never had problem with the belt slipping even after 8000rpm.
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Old 09-15-2010, 04:39 AM   #13
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A belt tensioner would be the way to go if the belt is loose. But maybe have a look at the surface of the pulley itself. it may be that the machined surface is too polished for the belt to grip onto. if there is tension in the belt then perhaps look at roughing the mating face of the pulley to aid in friction on the belt.
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Old 09-16-2010, 09:51 PM   #14
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The best solution is a turbo charger or a gear driven supercharger.
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Old 02-09-2011, 04:37 PM   #15
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Well, it's been 5 months but i'll update this LOL

Long story short, supercharger belt = fine, stage 4 clutchmasters clutch = toast =P
The belt wasn't slipping on the dyno, the clutch was giving out @ around 5000+ rpm. Didn't enjoy the extra 6 PSI.
All is well now after replacing it with a stage 4 ACT clutch
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Old 02-09-2011, 09:47 PM   #16
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how much whp did you end up? how many psi are you running
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Old 02-10-2011, 12:33 AM   #17
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Quote:
Originally Posted by AWDTurboLuvr View Post
I use a Goodyear Gatorback or NAPA belt for my MINI. No belt slippage but I drive hard so I replace my belts 2x a year.

+1 goodyear gatorback
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Old 02-16-2011, 08:09 PM   #18
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I would look into Rechard Racing ultra grip pulleys if you plan to increase the boost. I had 2 fresh belts melt and break on the dyno while tuning.
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