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I run the stock pulley on mine...
I would have to doublecheck the rules, but I think you are right, an aftermarket pulley could be used.
Are you looking to move to an underdrive?

For anyone who cares...
conversion is divide lbs/in by 55.88 to get kg/mm
My setup is in the above-stated range at
front: 450 lbs/in = 8.05 kg/mm
rear: 350 lbs/in = 6.26 kg/mm

As for the fuel port, if you don't already have one installed by now... get in touch with Paul at http://www.fuelports.com
He'll get you what you need for not much more that the parts alone would...

I saw quite a few beacons on the wall, you sure your faster time wasn't due to someone in the next group coming out and turing theirs on?

Afternoon guys,
a google video search turned this up...
http://video.google.com/videoplay?docid=-1...earch&plindex=2
it's from a BMWCCA car last year.
The video quality is not the greatest, but...

Good moning all,
I just wanted to get online and say... "Thank you!"
I wrapped my header, put a summit starter heat shield around my distributor and went to heat range 7 plugs. The opportunity...

I think initially I'll get the plugs, and also heat-wrap the exhaust header
I'll wait on the radiator, because unless the sensor is bad, I'm not overheating (before I put the new radiator in, I used...

Fuel pump & fpr were replaced last spring, and the injectors were sent out for clean and flowtest last november. Fuel filter gets changed every spring with the "all fluid change"
wow... I've gone...

Thanks guys...

I thought about the distributor jumping a tooth, but no...
Should I get the crank angle sensor and replace that, or just find a whole distributor to try?

also has a brand new...

This past weekend was Denso 3135 (I don't remember the heat range info on the side of the porcelain)
I have also previously run NGK in this heat range, which is 6 in their part number, I think, and...

Good morning all, I have been having an issue with my ITA 240SX for about 1.5 years now that I just can't seem to pin down. It made for a very discouraging race weekend...
The car runs ok for the...

Thanks, I didn't know why the space was there.
I'll take off the top, and check if the strut-top nut is tight. I'll also take out the rubber spacers and see how that goes.
Thanks again.

I did not put lowering springs in when I changed the shocks.
The upper mounts seemed like they would only go in one way. The cupped side up to fit into the pocket... (that was the orientation of the...

Good morning all,
I know that this car is not listed in the GCR, but I'm hoping some of the older cars have the same front strut mount design...
I have a 2001 Jetta street car that I've had some...

So am I looking at an issue with too loose of a fit on the spindle? Maybe the holes in the timing cover are worn?
Thanks guys

Also, thanks for pointing out the legality issues. I remember reading...

Good morning all,
I just tried to order the bronze oil pump drive gear and spindle combo from courtesyparts.com(for a 1990 240SX KA24E)... The drive gear is not available anymore, and the spindle is...

I'm also 6'4" and my seat is a 20degree layback that I installed with the front sitting on the structural ridge across the floorboard and the rear of the seat is about an inch off the floor (so...

As for the over-rev... the first engine, yes. The recent blow up, I didn't over-rev. I had the light set to 6100, and it usually comes on between 6000 and 6100. I also found out that my tach is...

Well, with the propper TC (purchased from Pegasus, and made by Aim Sports) the temps are in the 1300F range 6 inches from the head at 5k rpm no-load rev for about 1 minute in the garage. So, in a...

Other tubes read within 100F
I am looking into the readings though, I'm not sure what TC the mychron is set up to take as an input... (I don't think the difference would be a 500F one)
After a race...

Hey Earl,
I'm not sure if it's normal or not, but I made it to the dyno last night too. (mine's not running right either... similar HP #'s)
One of my runs is posted toward the end of "240sx exhaust...

I didn't get the exhaust temps during the dyno runs... didn't have time to get the mychron out of my uncles car.
I plan on getting a few rev runs in the garage with the different plugs and different...

Well, low fuel ammount is definitely not my problem...
at full throttle I was low 12's to high 11's
HP numbers were lower than I expected, but it's not running right. HP 126.3, torque 137.5
we did...

I'm going to the dyno after work tonight. doing the standard 3-pull average to get a baseline. Also going to get AFR and I'm going to ask if they have a thermocouple input to record #3 EGT.
I'll...

I've always use a propane bottle for detection of vacuum leaks. I did that and still have my eyebrows, so no leak.

I was considering getting a cheap O2 gauge, but decided I could just use a...