HPV1 or Jr1

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HPV1 or Jr1

Post  Doug Williams on Sat Nov 28, 2009 10:58 pm

Anyone have an opinion on which is the better package to run? I should clarify in that taking all factors, upfront cost, maintenance cost, durability, ease of tuning, etc. My son is moving up soon and we cannot decide which way to go. We are looking for any input. Thanks.


Doug Williams

Posts : 6
Join date : 2009-11-28
Location : Oakley, CA

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Re: HPV1 or Jr1

Post  Dan Chase on Thu Dec 30, 2010 10:31 pm

Hi Doug,

This is from an old post I made a few years back, the HPV 1 class has grown since then and my son is now starting his 2nd year as a Senior driver. Plan to drop a couple grand on a good Comer and buy 2-3 of them so one is always fresh. You can get away with one good HPV motor and it will cost you less. Here's the old post (they had already bought a kart with a Comer)

Dan Chase wrote:I need to qualify my opinion, I never raced a Junior I, but I have been around karting off and on for almost 40 years. I also ran my oldest son in Quarter Midgets from the time he was 6 and race with my youngest son in Jr. II now. I stayed away from Jr I because of the Comer, it reminded me of the old days of Quarter Midgets before the Honda was allowed.

Unless you have a lot of disposable income, I would use your Comer to get your son LOTS of track time between now and the start of the season, then buy an HPV1 for him to start racing with. Chances are, your Comer wont stack up against the competition and will be obsolete when he's ready to move to Jr II. With the HPV, the motors require a lot less maintenance and are much closer in performance. When your son is ready to run Jr. II, change the carb and the pipe and run the same motor.
Dan Chase

Posts : 104
Join date : 2008-06-04
Age : 60
Location : Walnut Creek, CA.


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