1BADCTS

iTrader: (17)

My 112 maggie currently has a 3" pulley on it, and I'd like to compare impeller speed differences if I swap different size blower pulleys or crankshaft pulley sizes. I keep hearing about online calculators... but hell if I can't find them.

Also, I think our kits come with .85|1 rear pulley ratio (not 1|1 like some others)... is that right?

Thanks!
Mark

jerrad

iTrader: (5)

tech@magnusonproducts.com or call (805) 642-8833

I couldn't find and formula's either but I bet they could give you an idea.

1BADCTS

iTrader: (17)

Ah, finally found one:

http://www.forcefedperformance.com/T...lowerSpeed.asp

3" pulley + stock 7.25" crank = 13,038 RPM <-- my current setup

2.8" pulley + stock 7.25" crank = 13969 RPM <-- s/c pulley swap

3" pulley + 8" overdrive crank = 14387 RPM <-- oversized crank pulley swap

2.8" pulley + 8" overdrive crank =15414 <-- both s/c and crank pulley swap

Looks like I'll get a little more out of a crank pulley swap... too bad they cost so much more.

raven154

iTrader: (14)

Here is a good place to read up on the maggie stuff

http://www.ls1gto.com/forums/showthread.php?t=142006