New Product !!! Powerbond Underdrive crank pulley !!!!

Looking for an easy way to add some horsepower to your G8's powerplant and at the same time get better fuel economy by reducing engine stress ? This is the best way to pick up some hp for a great price in doing so, Powerbond's new 25% underdrive balancer for LS1's incorporates a number of high-quality features you won’t find on any other aftermarket unit. Chief among them are a pair of extra-tall belt-retention walls that eliminate the belt-slippage issues endemic to other LS engine balancers . Other unique design strengths include 100% steel construction (other brands use steel and aluminum), integral timing marks, and built-in puller-mounting threads. NOTE: Requires 2 new belts (not included). FEATURES Extra-tall belt-retention "walls"—no more thrown belts! No aftermarket tensioner required 100% steel construction Lighter than the stock balancer Integral timing marks and puller-mounting threads Keyed for high-rpm or supercharged applications Does not cause false knock retard or erratic power-curve dips .

Sale price - $179.95

You can order online anytime here www.neweraperformanceparts.com , or call 585-865-1832 during business hours .

http://www.neweraperformanceparts.com/Images/Products/Medium/g8pb_1.jpg

Hi Mike,
So exactly what type of HP gains and extra fuel economy are you expecting? Have you installed and run on dyno to show gains. How easy to install? Please be specific.
Thanks,
Ritch

Can you also help with belt part numbers?

The belt part number is on the box . I don't know exactly how much better fuel economy it will get , I would guess .5-1 mpg roughly ? I have a dyno graph , I tested it Friday but I was on the dyno tuning other customer cars all day today , and the other part of the day Friday so I have not had time to put it up . The peak hp was the same , it was after peak that went up by about 10 hp probably due to the fact this is a better harmonic balancer than stock , it was 3-5 lbs of torque through most of the graph . I will post it up when I get time , sorry for the delay with that.

The install takes about an hour , you have to remove the electric fans , and to do so , you have to remove the upper radiator hose to get them out . Then , the use of an impact tool is needed to remove the bolt , and a puller to remove and reinstall the pulley . If anyone wants to stop by and have us put one on , we would charge $60 labor , you do not need a lift for this .

I tested it on Friday in between tuning other cars , so I only got to do a couple pulls on the dyno but here is the graph . Peak hp stayed the same , but after 5300 rpms it was 5-10 rwhp which you can se in the graph , and below 5000 rpms it was a gain of 3-5 rwtq . The crank pulley is also the harmonic balancer on the newer gm cars , and having a better balanced piece alone can free up hp up top as you can see here , on top of the slower accesory drive .

http://www.neweraperformanceparts.com/Images/g8gt%20dyno%20pulley.JPG

Got my UDP today. Thanks Mike. Very fast on shipping!

I ordered you the underdrive foot Ray. It is supposed to guarranty 2.0 60 footers. :wink2: