Underdrive Pulley's Good or Bad!!!
Hehe, well that depends on how much money you have.
The cheaper pulleys that dont fuction as harmonic balancers seem like a waste to me because you still have to tack the stock pulley/ballancer on. So then youd have a smaller pulley, with more mass...
However they balancer/pulleys that are smaller (for the crank) are in the 200 dollar range sometimes. Just keep in mind also the all your accessories will now be running slower than before, that includes alternator, ac compressor, and power steering pump.
Laterz
The cheaper pulleys that dont fuction as harmonic balancers seem like a waste to me because you still have to tack the stock pulley/ballancer on. So then youd have a smaller pulley, with more mass...
However they balancer/pulleys that are smaller (for the crank) are in the 200 dollar range sometimes. Just keep in mind also the all your accessories will now be running slower than before, that includes alternator, ac compressor, and power steering pump.Laterz
Where can i order the ASP pulley??
and how much stiffer does the sterring get???
And also i wouldnt want my waterpump or oil pressure or anything to drop... do those things run off the crank? or do they run of the main pulley as well?!?
and how much stiffer does the sterring get???
And also i wouldnt want my waterpump or oil pressure or anything to drop... do those things run off the crank? or do they run of the main pulley as well?!?
The stock LT1 water pump is driven by a gear off of the timing assembly on the front of the engine. The oil pump is driven off the engine as well, not the belt. ARP has lotsa things... great good nice things.
www.summit.com carries ARP do a search there or some of the other sites
www.tbyrne.com
www.thunderracing.com
www.jegs.com
hundreds of sites out there... browse the board for a bit and you will find several
Laterz
-Zach
www.summit.com carries ARP do a search there or some of the other sites
www.tbyrne.com
www.thunderracing.com
www.jegs.com
hundreds of sites out there... browse the board for a bit and you will find several
Laterz
-Zach
This subject gets beat around on here nearly weekly.
Little no HP advantage...however it does save wear and tear on you powersteering pump, especially if you do any auto-x or road racing.
I did both the underdrive crank and overdrive alt. and have no bad side effects and they have been on for over 4 years.
Little no HP advantage...however it does save wear and tear on you powersteering pump, especially if you do any auto-x or road racing.
I did both the underdrive crank and overdrive alt. and have no bad side effects and they have been on for over 4 years.
If you have an M6, go for it! If you have an Auto then can you say dead battery in a couple of months??
I put one on when I put my CAI on and I noticed a difference, not sure if it was all the CAI or not but I do know that I went through 2 batteries in about 6 months and then took it off and its sitting here in my room.
Rich T
I put one on when I put my CAI on and I noticed a difference, not sure if it was all the CAI or not but I do know that I went through 2 batteries in about 6 months and then took it off and its sitting here in my room.
Rich T
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