951 MAX CHIPS
#16
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Cool, keep us posted.
I too am going with Russell's chips as soon as I get my shocks taken care of.
I also have the Super 75 like George and my current chips are just off the mark now for my mods and that turbo.
I too am going with Russell's chips as soon as I get my shocks taken care of.
I also have the Super 75 like George and my current chips are just off the mark now for my mods and that turbo.
#17
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Originally Posted by George D
It's going to the dyno tomorrow afternoon. I changed the chips so I could run higher boost on 91 gas. The additional boost and associated power with plenty of fuel is what I was after. Our power comes from boost. Lean conditions existed with the other chips at high boost, even with the mafterburner. I'm running a super 75, and 20psi on pump is ALOT of boost. Not just pressure, but VOLUME of air. This turbo does not drop boost. It holds it to redline, so you have to have the fuel to support the a/f ratios.
Free Welts.....anyone?
George
Free Welts.....anyone?
George
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I have decided to postpone my dyno run till next week. I want to make sure the car has everything ready and is running properly first. Goona put in some new plugs, fix the intake manifold leak, finish putting on the exhaust seals and maybe get some new plug wires.
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Sounds like a good idea.
Otherwise there would be a barrage of "yea, but your intake, and your plugs.....etc."
Otherwise there would be a barrage of "yea, but your intake, and your plugs.....etc."
#23
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LR stage 1 head
LR Super 75 turbo
55 inj
LR 3" exhaust
MAF and Mafterburner
and other associated bolt on stuff
91 fuel, 22psi, 2.5 w 122K on bottom end freshened w rings and bearings 2K ago.
LR Super 75 turbo
55 inj
LR 3" exhaust
MAF and Mafterburner
and other associated bolt on stuff
91 fuel, 22psi, 2.5 w 122K on bottom end freshened w rings and bearings 2K ago.
#24
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George those numbers are outstanding if I'm reading them correctly. The TQ band seems weird because it's so flat. How'd the air/fuel ratios look? Where did you get the Dyno done?
#25
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A/F was below 12 by redline. This dynojet is in Tucson, AZ where they have the Supra shootouts. The dyno is checked and verified by some sanctioning body for the shootouts. It's a rice shop and they are good guys. When I was racing an EVO they were really helpful.
George
George
#26
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Your hp/tq curves look a lot like when I had mine done. Must be that Super 75 ![Smilie](https://rennlist.com/forums/images/smilies/smile.gif)
It just keeps building and building and building.....
Can't wait to get my chips from Russell.
Jeremy: Still going to test these chips on your cars???
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It just keeps building and building and building.....
Can't wait to get my chips from Russell.
Jeremy: Still going to test these chips on your cars???
#27
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That has to be some close to record numbers for 91 octane; Not to mention 91 at 22 psi.
How much do you think the LR head adds? 5%, 10%, 20% ???
How much do you think the LR head adds? 5%, 10%, 20% ???