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PRD Grand Masters 
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Joined: Wed Dec 30, 2009 8:07 am
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Post PRD Grand Masters
Could we please use another battery other than the one provided by PRD(not enough amps to start motor after timeing change) We need a 10ah battery so we could use the onboard starter. Dimensions would be close.


Thu Dec 16, 2010 5:52 pm
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Joined: Tue Oct 16, 2007 9:06 pm
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Location: Long Beach
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Frank,

I must agree with you. The PRD provided spec battery is not adequate.
Greg


Thu Dec 16, 2010 9:01 pm
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Joined: Sun May 23, 2004 4:08 pm
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Location: newhall, CA
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Guys the PRD battery is NOT spec. on the PRD rules. I will post the rules and you can look for yourself.
PRD CONTROLLED 125CC FIREBALL TAG RULES
(2011)

CLASS AGE


Junior II - PRD TAG Controlled @ 310lbs to 330lbs 12 to 15

Senior PRD TAG Controlled @ 360lbs to 380 lbs 16 +

Masters PRD TAG Controlled @ 390lbs to 400 lbs 35 +
35 years and older or 200 lb driver in race gear,
verified at the scales on race day

GENERAL CLASS RULES:
Classes will be run per the International Kart Federation TAG rules section #275 and #675, with the following clarifications.

ENGINE:
Only engines with US serial numbers are legal.

All components must be O.E.M. unless noted.

PRD 125cc water cooled 07 Fireball Engines are legal as homologated.

Note: no mixing of parts from 05 Fireball Engines with 07 Fireball Engines.

TARGET R.P.M./GEAR
R.P.M. is limited in an effort to increase competitiveness and engine life. The PRD factory representative or race director, if the factory rep. is unavailable, will call out the gear ratio for all classes. The specified gear ratio will be the base gear ratio +/- one tooth. Each age group has a different target R.P.M., the R.P.M. is established with a single kart and driver on the track alone, race R.P.M. will be higher.

Junior I 13,500 to 14,000 R.P.M. APX.
Junior II 14,500 to 15,000 R.P.M. APX.
Senior 14,500 to 15,000 R.P.M. APX.
Masters 14,500 to 15,000 R.P.M. APX.

TIRES
Junior I 4:50 Front 4:50 Rear
Junior II 4:50 Front 7:10 Rear
Senior 4:50 Front 7:10 Rear
Masters 4:50 Front 7:10 Rear

CARBURETOR:
Tillotson HL166A, HL166B or HL166C per the I.K.F. Rule Book section 622.6 are legal for all classes.

Junior I will require the use of a PRD-USA/ RLV filter cup with an air inlet hole of 0.406â€


Thu Dec 16, 2010 9:27 pm
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Joined: Fri Oct 22, 2010 11:35 am
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Hey Chris,

It says here: "All components must be O.E.M. unless noted. "

I stumbled across a guy who will disect the rules to the nTH degree, he seems to be a professional witness! :roll: LOL Maybe we can get him to disect that phrase.

:D :P

Geno


Thu Dec 16, 2010 9:49 pm
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Location: newhall, CA
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Gene, 90% sure the battery is NON-Tech. You funny guy. need to stay off of ekarting it can wrought your brain. Hope the eyeball is getting better don't want any excuses. :)


Fri Dec 17, 2010 12:39 am
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LOL :shock:

Yes, eye'ball' being the key... :?

Well, hopefully it all works out. I'm still pretty confidant, but there is now a delay. Will see how it affects the karting season. Certainly going to be a bit interuppted. And not as smooth as I had hoped. I was looking for an advantage for myself going in, and now seems that is delayed anyway...

Plus with Frank tweaking the h*ll out of that PRD, and needing an electrical grid to get it started, who knows what I'll need to hang onto his tail! :wink:

I was planning to run the full season, which will be the first time for me, so hopefully I'll be able too...

:)

chris latorre wrote:
Gene, 90% sure the battery is NON-Tech. You funny guy. need to stay off of ekarting it can wrought your brain. Hope the eyeball is getting better don't want any excuses. :)


Fri Dec 17, 2010 4:54 pm
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you will be fine. don't strain that eye ball on the computer screen too much.


Fri Dec 17, 2010 5:04 pm
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Joined: Fri Oct 22, 2010 11:35 am
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Yes, it's a good point. These poor old tired eyes have been staring non-stop at computer screens for too many years. <sigh> :cry:

On the positive side, I sent out some spies, and I got a picture of Frank working on his PRDs! :D

Image

I hope that link works!


Fri Dec 17, 2010 5:12 pm
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go frank go. but you still need to look out for that monster Phil built for my son.


Fri Dec 17, 2010 6:40 pm
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Joined: Fri Oct 22, 2010 11:35 am
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Indeed, that is one quick kid, with a good motor clearly. He steps up into the Senior class for his first two races and puts it on pole with 65lbs of lead covering every inch of his seat. And yet he was nice enough to show me a lap around the track during P2, and even waited for me when my engine stubled coming out of the pits. Nice kid! :)


Mon Dec 20, 2010 11:14 am
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