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info on rotary spridget

no_cones_ever

Senior Member
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if anybody knows anyone that has tried or actually has converted their spridget to rotary please write back
 

Twosheds

Darth Vader
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Brian Kraus ursnoozin@msn.com has and sells a kit to put a rotary in a Spridget. He has a really nice yellow one that was the subject of a Grassroots Motorsports article a while back.

I have a Mazda 13B and truck tranny for sale that has been race prepped by Bret DePedro for sale if you are interested. He rates it at 250 HP! DePedro prepped Brian's rotary. He is well-regarded among Mazdarotaryphiles.
 
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no_cones_ever

Senior Member
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right on i will email him...but i don't know about a race prepped rotary engine but i will get back to you
 

DrEntropy

Great Pumpkin
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250HP oughta rip a Spridget in HALF! /bcforum/images/%%GRAEMLIN_URL%%/smile.gif
 

Twosheds

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DrEntropy said:
250HP oughta rip a Spridget in HALF! /bcforum/images/%%GRAEMLIN_URL%%/smile.gif

I dunno, Doc, Brian's car looks like it's still in one piece! Of course, I don't know if the HP rating is 250. And, Brian has done lots and lots of strengthening!

See attachment:
 

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  • 4043-RotarySprite.jpg
    4043-RotarySprite.jpg
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DrEntropy

Great Pumpkin
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Mostly joking there, John. But running that kind of power thru an old Spridget frame without doing some careful engineering before hand would likely do some "quirky" things. Especially if it were a torque monster as well. Not so much a concern with the rotary as with something like a banshee'd up Rover V8.

A friend and I DID that to a Frogeye he had back in the mid-70's. Used a shortened diff from some GM-or-other (can't remember). Angle iron for frame rail reenforcement. Thing gave new meaning to the term "throttle steer"! Too much of a handfull. He sold it and got himself a real car: '67 E-type.
 
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no_cones_ever

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yeah the torque band is real low on it...maybe about 3500 when the horse power is up at like 6500 or 7000...
 
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