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DRR Trophy |
I've never ran a power valve in my drag motor either. And this is a trans brake car. I just figured the carb builder at Pro systems knew what he was doing? | |||
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DRR S/Pro |
No I did not make a blanket statement. I never said "ALL" anything and in no way am I disparaging his product. The one my friend has is running pretty well for the 12 passes he has made with it. I believe there is more in it that we will find with testing. I almost bought one from him myself many years ago. Instead I decided to build and tune my own. If you don't mind me asking what is your 1/8 et and mph on your car? Not a trap just curious. ____________________________ 2017 and 2018 Osage Casinos Tulsa Raceway Park No-Box Champion 2018 Div4 Goodguys Hammer award winner | |||
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DRR Elite |
Which car? I suggest you call Pro Systems and speak to either Patrick or Brad and ask them WHY your carb has a PV. | |||
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DRR S/Pro |
The Firebird ____________________________ 2017 and 2018 Osage Casinos Tulsa Raceway Park No-Box Champion 2018 Div4 Goodguys Hammer award winner | |||
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DRR Trophy |
i already did and he said these carbs have a lot of signal and would be cleaner at part throttle | |||
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DRR Elite |
specifically what carb did he build you and for what application? | |||
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DRR Elite |
as I've stated many times here when discussing the performance of my footbrake launched Firebird, that it is run with a restrictor plate, dialed in to run 9.0x/5.7x because the NHRA Division 1 cutoff for Pro ET is 9.00. That said, I have run as quick as 8.72/5.50 and this is with a Pro Systems 4150/1000HP... | |||
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DRR Trophy |
1200 CFM dominator. 2800 LB drag car trans brake small block 850 lift cam. 8500 RPM | |||
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DRR Elite |
so it's an 1150 dominator? That said, just for comparisons... my 615 makes 1100HP, in my transbrake launched piperack has a .900 gross lift cam and turns 7500 in the lights. My Pro Systems 1250 aka 1300 has no PV | |||
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DRR Trophy |
yep he said it flowed 1192 cfm | |||
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DRR S/Pro |
That translate into the PV was part of his carb fuel curve design for that particular carb. | |||
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DRR S/Pro |
I know it runs well and would always give you credit there. I just couldn't remember what you had stated about the et and mph in the 1/8 without the plate. I was just wondering for a comparison, nothing to do with ProSystems. No biggie. Curtis ____________________________ 2017 and 2018 Osage Casinos Tulsa Raceway Park No-Box Champion 2018 Div4 Goodguys Hammer award winner | |||
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DRR Elite |
restrictor plate set for 9.0x ET MPH is 119/149. Restrictor plate opened 123/154 | |||
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DRR S/Pro |
Thanks that is pretty good mph. ____________________________ 2017 and 2018 Osage Casinos Tulsa Raceway Park No-Box Champion 2018 Div4 Goodguys Hammer award winner | |||
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DRR Sportsman |
Dry flow that will be a 1050 based carb. Measure the venturi if you can, probably be less than 1.72" after he dolls them up. Probably has a .600" ID booster insert in it as well. Power valve will do one thing, clean up the part throttle, especially in the burn out.This message has been edited. Last edited by: 1st_Gen, | |||
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DRR Elite |
it is especially for a 4150 and truth be told, the restrictor was not 100% open on that pass. I do believe a dominator would MPH better by at least 1mph. | |||
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DRR S/Pro |
I thought you said your car was faster than mine? | |||
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DRR Elite |
let me guess, you cutup/lightened your shyt box more just so you could run with me. Great now show up or shut the fuc up. | |||
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DRR S/Pro |
Nope haven’t done any of that in over 15 years. He11 I was running 8.50-8.60s 15 years ago. Imagine how much faster I would be if I only had one carb and 4.56 gears. | |||
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DRR Elite |
well then STFU and put that POS in the other lane! | |||
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