Anybody have a line on a roots style supercharger? I like the Weiand and old style B&M. I have looked on e-bay but can't find anything yet for my 347.
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+1, I like those as well, I was looking a possibly getting a S/C a while back and was surprised that B&M no longer makes blowers.... I guess I had been out of the game for too long...

But as far as anything constructive concerning finding one, I guess I don't have anything to offer.

I bet a S/C 347 will be a lot of fun.......

 

i know you said roots, these are centrifugal, i like em

http://www.paxtonauto.com/

 

Depending on compression, you may not want a roots, especially on a 347. They make a crapload of heat and are WAY less efficient than a centri or a screw. 9psi on a centri will make more power than 9psi on a roots, and be less likely to detonate. Weiand makes good ones though, the 174 Powercharger is only a little taller than a high rise type manifold I think, simple and cheap(that's the advantage of roots, cost). You might want to look into a centrifugal though, Paxton, Vortech and Procharger all make good units. Also, I'm not aware of any intercoolers for carb'd roots unless you go with a big unit, and if you barely have traction now, a roots will garuntee you no traction at all. If your compression ratio is 9:1 or higher, I'd avoid a roots, you won't really be able to run enough boost for the cost to be worth it unless you run race fuel. Whereas a centrifugal you can run upwards of 15psi of boost with 9.5:1 compression with intercooling on premium pump fuel. And blow through carburetion works great for forced induction.

Like I said though for a roots, Weiand makes them under Holley

 

dude im looking for the same supercharger too...and for basically the same motor too!! were practically cousins! well not really but if you find any more info let me know and if i find any more ill let you know. right on sounds like a deal.

 

Here you guys, this is the Weiand one I was talking about. I was thinking about doing it, and if my compresion ratio were lower, prolly would, you can get the whole system brand new on Summit/Jegs for like $2,700

http://holley.com/types/Small%20Bloc...4%20Series.asp

I'll prolly go with an intercooled Procharger myself though

 

I've always wanted to use one of the Magnuson SuperChargers on top of a 351 W - imagine the torque!

http://www.magnusonproducts.com/superchargers.htm

 

theres http://www.theblowershop.com/ and http://www.blowerdriveservice.com/