THSCC Forums

Hey Guys,

Sounds crazy but the only real problem we are having with our chumpcar integra is with the alternator.

91 DA w/ B18a1

From what I can tell and research on the internet is that we possibly have a mis-matched alternator. Here is why I think that...
1. The crank pulley has 4ribs and the alt pulley only has 3
2. The "stock" belt is 30.5" and at max travel in the adjustment on the alt leaves the belt flapping loose...
3. The alt hits the block when trying to loosen it all the way

From what I can find on the internet, could have an alt. from a D16 crx.

Any thoughts? Currently thinking about adding washers to the bracket so we can use the original belt size.

-Scott

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THSCC Timing & Scoring

How does that solve the rib issue? Getting a shorter belt would be easier...or just get the correct alternator.

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Vincent Keene
'06 Ford Mustang GT (track rat)
'15 Dodge Charger R/T (yeah, it's got a HEMI!)
'07 Ford Fusion SE (205,000 miles and counting)
'98 Chevy Z-24 (retired)
'93 Acura Integra (Team SWB 24HOL Car)

It does't but I think the 3 rib belt would only run in the 3 ribs on the crank pulley. This is something we would have to check because that assumes they are in plane...

I'm working on sourcing a shorter belt but that is turning out to be more difficult than expected. Correcting the alternator might be the best bet but I need to pull that sob out. From the looks of it, that is not going to be easy... Well, engine is going to come out anyways so why not get started! Need to get this thing back running before the thscc cmp event!

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THSCC Timing & Scoring

We have an integra alt sitting on the shelf and at work and it DOES have 4 ribs on the pulley. Hope this helps.

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[color=#FFFFFF][/color]http://www.usedmiatapartsonline.com for all your used miata parts needs
http://www.wagnersauto.com for your salvage needs
2000 miata se Estreet,going to rally
2004 mazdaspeed miata bsp #77
shifter kart also(someone buy this $1500)

Maybe! I'll post a few images of the one I have once I get it off.

-Scott

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THSCC Timing & Scoring

or possible some numbers off the back and i will try and decode them for you.

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[color=#FFFFFF][/color]http://www.usedmiatapartsonline.com for all your used miata parts needs
http://www.wagnersauto.com for your salvage needs
2000 miata se Estreet,going to rally
2004 mazdaspeed miata bsp #77
shifter kart also(someone buy this $1500)