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I just had a situation where the car will completely misfire above 5K, and it got worse the longer I was out. The suggestion was to first check the battery soon after coming in - before it has time to recover. I had it on the charger, so it went out for the 20 min session at full charge. After comin...

Ok - I know this is a REALLY stupid question - but since I'm new to this - can anyone tell me if this is a trailing or leading arm rear suspension? Thanks! So much to learn - so little time It's a leading arm. It's not a stupid question, since a lot of people - not necessarily on this site - mix it...

Thanks, I'll check them out. My current battery apparently lasted 4 years. My motorcycle batteries last much longer. I've always had it on a battery tender. I'm not using the 2003 battery it replaced. I keep both on a battery tender, or equivalent, but I've just had them in my possession for two yea...

I bought an odyssey from batterymart.com that works great. I use the Odyssey PC310. A handful of other guys use it too. It works great. It is a little pricey at $159 but weighs about 5.9lbs and is relatively small. 5.5 X 3.5 X 4 They make a couple bigger ones if you prefer. Thanks! I don't have a p...

I'm in need of a new battery. I currently run a sealed non-spillable Universal Battery UB12180 - an 18 AH. This battery is about 7" x 3" x 6 3/4". I'm looking for a smaller battery that will do the same job. This one sit flat on its side under the knees. If it were smaller in one of t...

Jim, Thanks for the info. I may have to get radios for another purpose, and then would just have to get a driver headset for the car. John

I was wondering what you folks are using for radios, and what you'd recommend. Thanks!

John

I asked this question to Al Varacins who builds the speedsport (second place car at the runoffs the last 2 years) and although he didnt get into specifics he said that the rear arm car is actually a weaker design than the front arms. Now i know this might start a whole new batch of posts , but that...

Kevin, I think you hit the nail on the head that the main difference between the lead & trailing arms is in the effect under braking. But I believe the difference in feel is not from how the car pitches due to force loads on different points of the frame, it's from trailing arms being under tens...

I don't think the standard air cleaner that we put on these will work with a horn, but if the air cleaner element is far enough away, then it could work.

Jim,

Did you ever experiment with different combinations on the dyno, and did you see similar gains?

John

And how is this airflow effected once you put an air filter on it? If you can .

I don't think it will work if you put an air filter too close to it. I'd say you'd need to keep at least two radii of the bellmouth away from the opening it to minimize flow disturbance. Just a guess.
John

He's a British professor that has a lot of experience in engine flow, including empirical models and writing software models, and has published a lot. He might be "the man" for this sort of stuff!

John

Since the point here is to deal with low turnouts, and some are concerned with lower lap times from a spec tire, and they would want a head-to-head with the current crop of tires before committing, then that's probably what needs to happen or else nothing will change. We don't want to steer the curr...

For the life of me I can't figure why anybody would seriously suggest rule changes that slow us down, like adding weight or going to hard compound tires. The idea of racing is to go fast. If we have to spend money to modify our cars, at least have them be faster as a result! If you change the rules...

billinstuart wrote:Don't forget you can affect the front ride height by adjusting the angle of the beam (caster).

Yes, and mine is shimmable - thanks. John

Jim,

We came to the same conclusion - to put it on the top. I'll send you a PM to send a picture...

Thanks,
John

Are there any other type of ride height adjusters other than the these two? http://www2.cip1.com/ProductDetails.asp?ProductCode=ACC%2DC10%2D4031 Avis http://www2.cip1.com/ProductDetails.asp?ProductCode=C26%2D401%2D102 The top one is big and difficult to fit into my car due to location of the master ...

I'm in need of a Caracal D double wing nose. Please send me a PM if you have something that would consider unloading.

Thanks, John

It needs to be easier to get involved! Retaining racers is a problem for all racing organization. Many racers will leave after a year or two or three. Keeping the ranks up is a matter of constantly getting new people involved and understanding that many will come and go in a few years, some will sta...

I'm looking for a 13 1/2" W x 17 " L x 8" H fuel cell. Anyone have one sitting around?
John

These?
http://www.pegasusautoracing.com/produc ... RecId=1820

My gearing calculator shows a touch over 117 with 4.375 R/P, .89 4th on 22" tires. Yes, I agree with your numbers for 22" tires. I forgot to mention that I was using 22.5" as the tire diameter. Yours may be a better number to use. Did you measure it? I should measure the rolling radi...

clubford00 wrote:120 to maybe 125 at Road America with a draft is common.

That sounds about right. With an 0.89 fourth gear ratio, 7000 RPM gives you about...

RearEndRatio/Speed
4.375 gives 120 MPH
4.125 gives 128 MPH

There's just a 5.7% difference between rear end ratios.

John

Veefan, I have a "motorcycle" wheel balancer, similar to this one... http://www.nomartirechanger.com/product/show/9 I mount the tire/wheel onto a dedicated rear drum (it had stripped splines) and the drum is mounted on the balancer rod with two cones (like the ones shown). You can get it b...