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I did some more testing this weekend with an extra pressure gauge. I put the gauge in the fuel system at the return port of the pressure regulator.

The following measurements were taken with the...

Thanks for the replies everyone. To give a little more information.
The car is an 85 Toyota supra with fuel injection and a fuel return to the tank for the bypass flow. I am not using the vacuum...

Does anyone here notice a 2-3psi fuel pressure drop between fuel pressure at idle and fuel pressure at full throttle?

fuel pressure is the main variable I change when tuning the car and I have...

Russell had a great time out there until his fuel pressure decided to go south of 20psi regardless of the tank level....:shrug:

All in all, that was a great event and a lot of fun!! :happy204:

I made it official today and signed up. Looks like 13 online entires for the enduro, anyone have an idea on total entries?

I agree, this is a great price for the amount of track time that you will get and it 's nice to have it all in one day! I am 90% sure I will be there.

Does anyone have a good feeling for gas...

It's official, I have sent in the entry form. I also talked with the registrar and it sounds like the ITS field is still Doane, Russell and White.

I don't know Marty, if it's just you, me and G. Russell, then your chance of winning is pretty high!

Thanks for putting the laps up datadude. Also, a big THANKS to the workers and the officials for a good race weekend.

It's a pretty fast track and it is on the bumpy side, but that's why we have shocks on our cars. It is my home track so I can't pass up the 35 minute tow. The competition in ITS is usually pretty...

Indy is in the Eastern time zone and observes daylight savings time when it applies.

I bet those orange honda's could set a new track record this year.....

Does anyone know if there will be tire support at the track that weekend?

I have an early 90's KA24DE sitting in my garage just waiting for someone to buy it. Send me a PM if you are interested. I am in Indianapolis.

I just got the car back together and it looks like I will make it out there for Saturday and Sunday. I haven't registered yet, but right now it looks like I would be the only ITS car out there.

I don't know if you have the same issue I had, but I know I screwed up a fitting just like that blue one you posted. On my toyota, I thought the threads were metric, but they were actually npt, the...

Larry, I don't know how much information I can give you about an IT prep engine for the supra, but I can tell you what I did. I had an engine out of a parts car and I took it to a local machine...

I also had a great weekend and learned a lot more about the car.
My clutch literally disintegrated on the first lap of practice. :bash_1_:

I have to say thanks to the track first of all for...

I don't plan on following anyone over the jump too closely. Will anyone be there for Friday practice? I am planning on making the afternoon session.

Also, is there usually tire support there? I...

I wasn't dodging kevin's incident because I was bringing up the back of the race group and no Marty I didn't get anywhere near the trees, I did most of my spinning on track to slow me down. You must...

It's getting better each time I go to the track....or the combination car and driver is getting better. I am still working on getting the weight down. Last race I was 2890 at the end of the race. ...

I did that same thing twice last September....it's a lot rougher than it looks out there in the grass.

Good luck Jerry, are you racing ITE or ITS this year?

I am planning on making it up there.....at least right now I am. Hopefully my car and driver are a little better and I can chase Marty the Eagle around the track.....

Well, the transponders say that he got me by 0.054 seconds!! I think we need to look at the photos.... in any case it was really close and I learned a lot about trying to pass cars with twice the...

Are you saying that the Kumho tires didn't hold up very well at IRP? Also, does anyone know where to find the pictures that were being taken at the track?