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Index > Engine/Drivetrain > Thread: Alternator/Serpentine bely pully upgrade
Thread: Alternator/Serpentine bely pully upgrade
sparky


Redlining
Posts: 299
posted December 18, 2011 07:51 PM
Alternator/Serpentine bely pully upgrade

I'm running S-4 6 port motor and would like to know about compatability of FDS3 or RX-8 pulleys to convert to serpentine drive belt. Would like to upgrade to S-6 or RX-8 alternator too. This is also a preliminary 1st step towards eaton m-90 supercharger upgrade in the future. Really don't want to buy pulley/belt kit. Will most likely need to underdrive water pump and alternator. Anyone out there upgrade to sepentine belt with out going the kit route?
____________
'77 REPU
Stock 6-port
T-2 tranny
Weber IDA 48
Alum Flywheel
3rd gen Torsen in rear end.
DLDFIS ignition
       
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repumax


Redlining
Posts: 427
posted December 19, 2011 05:59 PM
Hey Scott,

If you don't want to go aftermarket, find some used stock FD or Renesis pulleys and a 17mm alternator. Maybe ebay or the rx forum?
       
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Brad


Rotorhead
Posts: 1672
posted December 20, 2011 05:01 PM
Yeah just use stock FD stuff. Supercharged motors make their peak HP down low so you won't be buzzing it. Underdriven alternators are a pain at the stoplight.
       
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