Time Slips and Dyno Section is for posting 1/4 mile time slips and dyno graphs

Proof is in the Paper !!

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Old 12-15-04, 05:56 PM
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Do you know the jet size or the flow amount of your alcohol injection setup?
Old 12-15-04, 11:14 PM
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no, i do not. but if you really must know you can call the number on the website and ask them

http://www.rjcracing.com/SMC_Alcohol...injection.html
Old 12-21-04, 07:06 PM
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Dyno sheet

about the dyno sheet the cross over is 6250 rpm while most sheets use 5250 rpm as a std. math formula using torque and RPM to figure HP, explain please. RON in daytona
Old 12-21-04, 07:12 PM
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proof is in the paper

did you know that papers can be alterd
Old 12-22-04, 12:06 AM
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Ron interesting point you make. But your explination is only true when it comes to the formula. Yes, the formula is to divide by 5250 RPM but this is only used to calculate HP from a torque number. This does not nessasairly mean that the lines are going to cross on that point on the Dyno graph. when u establish experience and start looking at a couple more dyno sheets for yourself, you will see this to be a fact. That my friend is a whole other class i dont have time for. I myself have better thing to do than to moch up a fake dyno sheet and then post it it so i can get off on other peoples comments. instead i choose to go out and drive the car which sits in my garage and spank those who have the time to sit on the computer and try to decifer some dyno sheet altering consperiacy. in any event i do appriciate your attention and post which brings my Thread back to the top forum.


492 RWHP Baby and nothing you can do about it!!!!!!!!
Old 12-22-04, 07:45 AM
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Originally Posted by ronbros3
about the dyno sheet the cross over is 6250 rpm while most sheets use 5250 rpm as a std. math formula using torque and RPM to figure HP, explain please. RON in daytona
Torque and horsepower do cross at the right point, but the scales used are different, so they look like they don't.

See my explaination on a similar situation here:

https://www.rx7club.com/showpost.php...5&postcount=46
Old 12-22-04, 08:51 AM
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your right that is exactly true, and because diff dynos measure on diff scales they for some reason or another are not going to look all the same. The dyno where i specificaly dynoed my car is a dyno jet. and we have been told that the dyno jet doesnt even meassure TQ to convert to HP. It actually measures by Speed and the way you turn the drum. this is why there may be a diff between this reading and others.
Old 12-22-04, 10:11 AM
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If you guys call DynoJet 702-399-1423 they will tell you that you can adjust the software to move the crossover point, but it absolutely does not change the hp or tq. Guys, I tuned the car, it is definetely on the conservative side we could easily run two or three more degs of timing and run it leaner and probably make another 20-25hp but we want it to stay together. This car is awsome to drive, with almost 400lbs of tq it pegs the needle on the *** dyno.

For those of you that don't beleive the dyno sheet the phone number to the dynoshop is 305-769-0140 ask for Mark he drove the car on the dyno. If you still don't beleive then setup some dyno time and we'll show up with the car. This post is no BS, neither Robert nor I stand to gain anything! I beleive Robert's intentions with this post were to post his results and findings to try and help others. Thanks to those who appreciate the hard work and to the others enjoy your keyboard racing!

BigAl...
Old 12-23-04, 10:35 AM
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Hey Al hows the idle (does it surge or is it higher than usual) with the 850 primaries?
Old 12-23-04, 12:53 PM
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Originally Posted by Fatman0203
Hey Al hows the idle (does it surge or is it higher than usual) with the 850 primaries?
I have had 850cc primaries along with my power fc for like 3 years now. No idle problems whatsoever, never have had any.
Old 12-23-04, 01:18 PM
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those are some good numbers
Old 12-23-04, 05:33 PM
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idle is about 1150 and nice and even. if there is any way to host a video i have a small 20 second video that shows the idle and how it looks
Old 12-23-04, 06:38 PM
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Originally Posted by rob20rx7
idle is about 1150 and nice and even. if there is any way to host a video i have a small 20 second video that shows the idle and how it looks
why so high? Also, please hit the drag strip so that we can see what kind of trap speeds you are laying down
Old 12-24-04, 06:24 PM
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Rob if you decide to go to a test and tune night in Moroso let me know I can get a few 7s to head out and maybe some of my friends. You can woop us all up if it makes you feel better . BTW I think my dad bought the Tokiko shocks and RB Springs from you. So far so good btw.
Old 12-25-04, 12:10 PM
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sure man im down to hang out. just tell me when. or maybe we can set up to hang out at the tower shops this january. havent been out there with the car. would be nice to head up there with a bunch of other rx7s. and yeah i sold my shocks and springs to this guy that told me his son had a 7. real nice guy. never heard from him again though. hope all is well and merry Xmas to you and all your family and to all of you the Rotary Forums.!!!!


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