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Old 11-18-2003, 03:01 PM   #1126
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Quote:
Originally posted by sands
I ran from 1.2 to 1.3 inch rollout on an xray with a p2k2. This is a bit on the high side. Next Sunday I'm going to try 1 - 1.12.

Although my p2k2 looks almost identical to a monster on the fantom dyno.
Thanks, sands. I'm running stock with rubber. I measured the tire with a caliper and got a 2.400 in. dia. The rollout I'm using right now is a 0.94 with a P2K2. Gives me good straight and corner speed. Any thoughts from anyone.
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Old 11-18-2003, 04:42 PM   #1127
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since putnam greens and trinity red springs for both are good

is its ok to run 767's with trinity red springs for both sides????
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Old 11-18-2003, 05:28 PM   #1128
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Pops / ottoman,,,Seems to me that the brushes are not getting good contact on the com. I ran into this problem at a race I attended in washington. No matter what I did the motor seemed like a dog. the fix for this was very simple. I also talked to Todd regarding this small problem and this was the outcome.
The contact of the brush to the com becomes too weak at some point from the heat generated from running the motor or by being Over Geared. The center of the brush is where most of this unwanted heat comes from. Low contact means burning brushes, arcing, heat, which will blacken the com and create patches of contact points on the com. With the high silver of the green brushes on any combination this will make your motor sound and feel like a dog. no matter what you do. The fix was to make sure your brush hoods are alined first, Cavity the brush ( this will eliminate the heat build up in the center of the brush) , and a new set of springs or a stiffer spring. I went with the stiffer springs all the way around. Pristo Presto your motor is alive again! With this setup my putnam monster stocks where getting awsome RPM and pulling 12amps at 4 Volts.
That's awsome for a monster stocker I think.

Let me know what you think,
Jesse
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Old 11-18-2003, 05:39 PM   #1129
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what kinda brushes were u running?
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Old 11-18-2003, 06:24 PM   #1130
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Quote:
Originally posted by jzone
Pops / ottoman,,,Seems to me that the brushes are not getting good contact on the com.
(*edited for length*)
Jesse
Sorry, but I do NOT believe that this is the problem. I had tried several different Brush cuts, etc, Spring changing and tweaking to no avail. What finally DID make a difference, was to get away from the Putnam Brush for this particular Motor.

Otherwise, I have ALWAYS found that Putnam Brushes make the most power on EPIC Stock Motors over any other brand. I should note that this was a BRAND NEW Monster Stock, tuned and properly broken in. Same track and Gearing I have always run with good results (I gear conservatively).

My first instinct was to think that "T" has changed the manufacturing spec or sub-contractor for the Arms and they are using a softer Copper for the Com's.
However, it is not uncommon for the Motor Tuners to buy Brushes in bulk from different manufacturers at times (then relabel as their own). Thus the reason for posing my query.

Last edited by popsracer; 11-18-2003 at 06:32 PM.
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Old 11-18-2003, 10:18 PM   #1131
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Default Parma Brush Hood Alignment Tool

What do you guys think of the Parma\PSE brush hood alignment tool ??
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Old 11-18-2003, 11:50 PM   #1132
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jzone... Like pops I tried slots, cavitys, full brushs etc. I take extra time aligning my hoods I tried springs from T. blues up to T. purples. I just never had any luck on my P2K2's or my Monsters. I know others love the Putnums and I am sure its something I am doing. But I never have any problems with 766 or 767 reedy brushes or with Trinity 4499's either. I have a bunch of Putnums in my box yet and every so often I pull out a set and try them again... but I still cant make them work for me.... I guess it just shows if your having problems with a motor keep trying differnt brands until you find one that works for you.
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Old 11-18-2003, 11:53 PM   #1133
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I think you would be better off with one of the many alignment tools that goes inside the hoods... KT Hobbies sells a nice one as does Big Jim and others
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Old 11-19-2003, 12:02 AM   #1134
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Calvin, I use nothing but the Putnam products.

Pops, I've never seen any of the Putnam motors do any such thing. My experience came from a motor that wasn't his. I guess I've been a little fortunate in finding a fix for some of the motor hump I've crossed. I don't know where you got your new monster from. Maybe it could be the actual maufacturer that has made some changes, and not the OEM.
As for the brush thing, there is really only a very small group that makes brushes for everyone( 3, I was told). They've all got there own secret recipies. Maybe there's someone out there copying the Putnam look cuz they can't copy the Putnam compound.LOL

All I know is that all the advice that I've gotten from him has worked out. Guess you can say I trust him and beleive in his products.

Steve G, Got the same tool, I use it to get in the area them tweek from there.

Just my .02

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Old 11-19-2003, 12:28 AM   #1135
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Thanks guy's...
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Old 11-19-2003, 01:26 AM   #1136
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As far as aligning the hoods, I align the brushes to the comm by moving the brush hoods instead of aligning the brush hoods to one another. Like jzone said, it'll get you in the area.
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Old 11-19-2003, 12:20 PM   #1137
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ottoman, I have to say that I've never ran into that situation withoout comming up with a fix..(knock on wood). Have you checked the caps that are built in? I changed those one time and that fixed a problem on a new monster a client had just purchased and was getting no where with the motor. A cracked cap does weird things to the motor on my motor checker.

good luck anyways.


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Old 11-20-2003, 10:37 AM   #1138
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I've also got one of those tools that go through the hoods. Guess it's kind of a toss up for me on which one I like more. It's just which ever one I happen to grab first, or is closer to me

No I'm not lazy

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Old 11-25-2003, 12:33 AM   #1139
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Anyone here going to the US indoor champs race in Cleveland?
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Old 11-25-2003, 02:07 AM   #1140
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Thumbs up Re: gearing stock motors

Quote:
Originally posted by CA$H's son
i like to run a 8.5 ratio on a monster and a 7.6 ratio on the p2k2 pro! keeps everything peaked when ur on a sweaper where everyone else is boggin but at the same times gives you the speed ya need!
Not sure about gearing a monster stock 8.5 as top end will suffer.
Quote:
IRT# 177
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