Vacuum pump drive mandrel?

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Vacuum pump drive mandrel?

Post  Strokedhatch on April 12th 2016, 3:15 pm

Anyone using a vacuum pump with ati super damper? I'm having trouble finding a drive mandrel at will bolt to it

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Re: Vacuum pump drive mandrel?

Post  Curt on April 12th 2016, 9:10 pm

4 holes or 3
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Re: Vacuum pump drive mandrel?

Post  richter69 on April 12th 2016, 9:17 pm

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Re: Vacuum pump drive mandrel?

Post  Strokedhatch on April 12th 2016, 9:38 pm

3 bolt

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Re: Vacuum pump drive mandrel?

Post  Curt on April 12th 2016, 9:52 pm

I have this one, but I'm not at home right now.  Might be home next week.



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Re: Vacuum pump drive mandrel?

Post  Strokedhatch on April 12th 2016, 9:54 pm

richter69 wrote:

Who's setup is this?

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Re: Vacuum pump drive mandrel?

Post  richter69 on April 13th 2016, 8:13 am

Was a generic deal i bought local years ago, has a custom machined hub adapter go make it all work w the boss snout setup this go round. Everything is keyed to the crankshaft.
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Re: Vacuum pump drive mandrel?

Post  hookin78 on April 13th 2016, 8:35 am

Im using a three bolt ATI balancer. Jones Manufacturing is where I got mine. They have very nice stuff, great to deal with as well. Just give em a call.

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Re: Vacuum pump drive mandrel?

Post  John Myrick on April 13th 2016, 8:50 am

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Re: Vacuum pump drive mandrel?

Post  Lem Evans on April 13th 2016, 10:18 am

Something w/o ten foot long crank bolt involved would be better.

The Peterson stuff uses a std length bolt and the mandrel bolts on over it.

Fabio, change that crank bolt every year....they can and will break.

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Re: Vacuum pump drive mandrel?

Post  richter69 on April 13th 2016, 10:47 am

It just got a newun..
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Re: Vacuum pump drive mandrel?

Post  BOSS 429 on April 13th 2016, 8:50 pm

Strokedhatch wrote:Anyone using a vacuum pump with ati super damper? I'm having trouble finding a drive mandrel  at will bolt to it





call PETERSON PUMP tell them you want a CIRCLE R mandrel. it will work perfect.

ask for Pat. He will also set you up with the right pulley ratio for the pump
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Re: Vacuum pump drive mandrel?

Post  70FB on April 14th 2016, 11:52 am

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Re: Vacuum pump drive mandrel?

Post  BOSS 429 on April 14th 2016, 10:54 pm

70FB wrote:


there it is, you can also use the moroso pulley behind it,or right on it, plus the msd crank trigger can be installed between it,and the dampner

I also made a spacer that pilots the msd wheel on the ati,or the mandrel. fits BOSS 429, or std long crank fords.

for the guys who use both, or all 3 with a belt drive I also make a spacer for the dampner hub. this allows a std crank bolt and washer to be used, while spacing the dampner out for correct crush( preload) on lower timing gear. Rather then worry about the CAP type washer I've seen some use that goes over the end of the crank because the hub of the dampner is too short to use a flat washer, and bolt
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Re: Vacuum pump drive mandrel?

Post  70FB on April 15th 2016, 11:46 pm

And you still have the nut on the end to turn the engine over by hand if needed.
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Re: Vacuum pump drive mandrel?

Post  70FB on April 15th 2016, 11:48 pm

I need to pull the alternator spacer off. I believe I still have a bag of spacers that came with it. It's working this weekend at Door wars at MIR.
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Re: Vacuum pump drive mandrel?

Post  John Myrick on April 16th 2016, 6:56 am

Have fun at MIR and don't forget the boxing gloves lol
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Re: Vacuum pump drive mandrel?

Post  70FB on April 16th 2016, 11:27 pm

John Myrick wrote:Have fun at MIR and don't forget the boxing gloves  lol

Hahaha. Thanks. It's good out here. We can't slow the car down enough. 100 lbs of weight, 6 degrees of timing out and an EZ plate. On my smallest plate and still not enough. 9.92s. Did qualify a 10.01 by dropping early so I'm in. Got a guy bringing me another 100lbs of weights from the hotel in the morning.
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Re: Vacuum pump drive mandrel?

Post  70FB on April 16th 2016, 11:28 pm

Qualified #2 spot. 1st was a 10.004.
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Re: Vacuum pump drive mandrel?

Post  John Myrick on April 17th 2016, 7:25 am

Congrats on the #2, give em hell
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Re: Vacuum pump drive mandrel?

Post  jbozzelle on April 17th 2016, 10:31 am


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Re: Vacuum pump drive mandrel?

Post  Larry Williams on April 17th 2016, 4:02 pm

Strokedhatch wrote:Anyone using a vacuum pump with ati super damper? I'm having trouble finding a drive mandrel  at will bolt to it

call Oakley he sold me mine
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Re: Vacuum pump drive mandrel?

Post  Lem Evans on April 17th 2016, 7:23 pm


It's suitable for a vacuum pump.....I wouldn't run it on a drysump pump.

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