<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">I run an ATL damper originally fitted by Randy Lamp on my GT6. I think the Goodparts unit is what I would go with if starting over today.<div class="">I do run all Jones Racing cogged belt drives for the crank, water pump and alternator. Less drag, don’t have to worry about belt slippage or tension, very long life.<br class=""><div><br class=""><div class="">On Dec 6, 2024, at 8:59 AM, JS Performance Motoring, LLC via Fot <<a href="mailto:fot@autox.team.net" class="">fot@autox.team.net</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class="">P.J.,</div><div class=""> I run an early stock type damper on my GT6 - the early damper has a smaller diameter pulley, for a slight underdrive. It has served me well up to 8,000 RPM.</div><div class="">I have also built a customer 2.0L GT6 racing engine using the Goodparts harmonic damper kit - a very nice solution. Highly recommended for any high rpm racing 2.5L. The 2.0L doesn't suffer as much with harmonics, but it's still a very nice upgrade for a 2.0L racing engine. This kit includes an aluminum water pump.</div><div class=""><br class=""></div><div class="">Racetorations in the UK offers aluminum pump housings. It's supposed to be a higher quality casting than the Bastuck offered by others. I haven't had them side by side to confirm.</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><div class="">Jason Sukey</div><div class=""><span class=""></span><span class=""></span>JS Performance Motoring, LLC<br class=""></div><div class="">440.984.7720</div><div class=""><a href="mailto:jason@jsperformancemotoring.com" target="_blank" class="">jason@jsperformancemotoring.com</a><br class=""></div><div class=""><a href="https://www.facebook.com/JSPerformanceMotoring/" target="_blank" class="">https://www.facebook.com/JSPerformanceMotoring/</a><br class=""></div></div></div></div></div></div></div></div></div></div><br class=""></div><br class=""><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Fri, Dec 6, 2024 at 12:20 AM McKearn McKearn via Fot <<a href="mailto:fot@autox.team.net" class="">fot@autox.team.net</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr" class="">Hi guys.<br class=""><div class=""> I'm wondering what racers are using for harmonic balancer /front pulley, on GT6? Also looking for an alloy water pump housing and pump.</div><div class=""> Thanks. P.J.</div></div>
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