March Pulleys
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From: Rockledge, PA
March Pulleys
To anyone who has the power and amp series what is the number that is engraved on the back of the alternator pulley? On the performance series it has 208 which is 2.75"
Joined: Jun 2003
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From: Desert
Car: 1991 Z28 Vert
Engine: 383 single plane efi
Transmission: T-56
Axle/Gears: 8.8 with 3.73s
Sorry for taking so long, computer has been having a virus.
I checked and on back of the alternato it had the number "208." That was all that was engraved on it. So I guess that I have the performance series. Sorry.
I checked and on back of the alternato it had the number "208." That was all that was engraved on it. So I guess that I have the performance series. Sorry.
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From: Winston salem, NC
Car: 1987 1SICIROC.....1999 TransAm
Engine: 385 HSR.....LS1
Transmission: 700R4 with Midwest 3400 2.4str...M6
Axle/Gears: SLP Zexel Posi unit 3.42's...3.73's
a stock pulley is 2" 3/8ths and they have one that is 2" 1/8th....the number is 131
heres a picture of my BBK alternator pulley and it measures 2"7/8ths......I dont know if thats what caused my alt to take a crap cause the diode switch on the alt quit working. So now Im running the stock pulley back on it for now and see how it goes....and see if it stays charging. If it does then I will get the March 131 pulley....
heres a picture of my BBK alternator pulley and it measures 2"7/8ths......I dont know if thats what caused my alt to take a crap cause the diode switch on the alt quit working. So now Im running the stock pulley back on it for now and see how it goes....and see if it stays charging. If it does then I will get the March 131 pulley....
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From: Rockledge, PA
the march 131 is a v-belt pulley not a serpentine. the only march serpentine pulleys are:
208 - 2.75 - Performance Series - slower the factory
206 - 2.375 - Power and amp - same size as factory but still slower with the factory with the march crank pulley
112 - 1.6875 - smallest they have probably to small
208 - 2.75 - Performance Series - slower the factory
206 - 2.375 - Power and amp - same size as factory but still slower with the factory with the march crank pulley
112 - 1.6875 - smallest they have probably to small
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