underdrive pulley?
07-28-2009, 12:00 AM
#1
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underdrive pulley? alright im thinking of buying one of these two:
1. ASP underdrive pulley system for 98-02 LS1 F-body
or
2. SLP Harmonic Balancer/Underdrive Pulley, 98-02 LS1 Camaro/Firebird
which is better and what do you guys use? gains? pros and cons?
thanks,
billy
1. ASP underdrive pulley system for 98-02 LS1 F-body
or
2. SLP Harmonic Balancer/Underdrive Pulley, 98-02 LS1 Camaro/Firebird
which is better and what do you guys use? gains? pros and cons?
thanks,
billy
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07-28-2009, 07:05 AM
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i have the ASP for 6yrs....threw the belt one time.
gains are pretty subjective.
you'd have to be really tuned in at the track to see a gain, since the best you can hope for is about 5hp.
usually people notice the faster rev-up after the swap.
gains are pretty subjective.
you'd have to be really tuned in at the track to see a gain, since the best you can hope for is about 5hp.
usually people notice the faster rev-up after the swap.
07-30-2009, 10:24 PM
#17
I've been running the March kit since summer 07. So far no problems. For a manual car its a no brainer. The idle is higher so at idle + underdrive, accessories are running the same speed as they would in an auto while in gear.
Look at it this way, with your accessories running slower during the higher rpm runs, you put less of a beating on them.
Look at it this way, with your accessories running slower during the higher rpm runs, you put less of a beating on them.
