Reproduction fan belts
Looking for thoughts about reproduction fan belts. Are they good quality? Do they look correct? Any other thoughts? Thank you, Joe
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my experience with Quanta belts is that they are fine for going to the ice cream shop. if you plan on some high revving action they are no good. they flip over and fly off.
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-Mark |
Thanks for the input. I guess I'll put the old belts back on. Hard to find a belt that doesn't look too dicky-dacky on these cars....Joe
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YES YES YES, if you drive your cars don't use them. Had one flip over on the freeway instant over heat. OK for trailer queen. JMO :scholar: |
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Not much to choose from in the way of correct fan belts, unless you get lucky finding an NOS belt.
Quanta is who I’ve used on my Survivors (anything rubber needs attention on the old cars), BUT, they are flippers / rollers. Whenever I opened all 6 barrels on my ‘66 GTO the Quanta belts would take off. The photo below shows the 9017 flipper and an NOS 3071 that stays put. Show and cruiser use only with the repros. Chris |
nOS is still out there. But their old.
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Hey Burd,
Love your signature. I waste a lot $$$ on other things too. LOL |
My Quanta belts don't flip at all on the L72 but they bounce all over the place like there loose even when there adjusted correctly.
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The repop belts stretch a fair amount initially. Be ready to re-tighten after a few miles.
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I’m down to finding one belt. Alt I think. https://drinksfeed.com/dave-mustaine...ignature-wine/ |
Yep, had a Quanta roll on my 69 Z at high revs. Just buy a good parts store belt and keep the quanta for show.
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Wow, I must be lucky. I've had Quanta repop belts on three 70 Zs. Two I've taken north of 5k multiple times and the third is still under restoration. never had one roll...yet. should I play the lottery?
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they lasted about 4 miles on my L78
I've got NAPA Gold on there now with no problems. |
I can appreciate the sacrifice someone would make to run a 'dated' component to have the correct appearance, but in this case when the performance of said part is so dismal, I'm amazed the vendor hasn't totally revised the design.
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Agree ^^^^^
I’m sure Quanta has heard the complaints over the years, just how we have in this small thread about the belts they make.
That’s reproduction parts in a nut shell, close, but not close enough. |
Thank you all for taking the time to discuss these belts. Although my car is just a 325hp 396, I think I will try to find older aftermarket belts that don't have cogs on either top or bottom. My a/c belt is an older Gates belt & has held up well. I will figure out the other 2. I really didn't expect this much responce. Thanks again, Joe
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I tried everything I could find in the last couple of years to see what would work with deep groove pulleys. Everything was either cogged on the top or the bottom. Even the Gates belts were cogged on top, and the Gates worked the best of all of them. I tried a few Quanta's, Napa's, and others, Most either squealed like a pig, slipped and screamed at high rpm, rolled over and/or were pitched right off.
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Several years ago I talked to Quanta about the situation. Their reply "Gee, you're the first person to have that problem".
I found some NOS GM belts for the short belt (crank to water pump) and the alternator belt. Been down the 1/4 mile many times with not one issue. The short belt definitely helps keep the stress off the alternator belt. |
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Thanks for the input on Quanta belts. I have them on my 72 LT-1 survivor and will definitely be changing them out for current belts. I also have repros on my 71 Boss 351 - Marti belts, I believe. Are they prone to the same problems?
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I've had good luck with Quanta.
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