Need some advice on the wheel size D1X

oldman · 11-20-2018, 05:27 PM

When I first went to the D1X, the vendor / Procharger? said to keep the 4.0 wheel for my target 7 to 8 PSI because my cam, heads, headers will drop it to that range.
A few board bros sent me email and said that is CRAZY, I know guys on that wheel at 12 PSI and 760 whp. So anyway I listen to the bros on the forum and got a 4.5 wheel, I get about 7 to 7.5 PSI, hard to tell as the car can't stay on the road.

My goal is 700 RWHP, so now that my fuel system is squared away, what size wheel? I'm looking at 4.25, but even 4.33 may do it. I want the least boost needed to make 700 RWHP on E.

My setup: stage 1 supercharger cam, pray heads, mds, 103mm, 1 and 7/8 LT,
second BOV, stage II intercooler. Oh and a D1X. So all you D1Xs what wheel are you running for 10 PSI and 700 RWHP.

KingLT1 · 11-20-2018, 08:02 PM

you should hit 700 using the current wheel on 8psi with e85...especially being a M6. Just going from 93 to 85 is going to net 60-70whp increase in power all else equal.

11-20-2018, 05:27 PM	#1
oldman Drives: SS 6 speed of course Join Date: Jan 2016 Location: Hilo, HI Posts: 4,316	Need some advice on the wheel size D1X When I first went to the D1X, the vendor / Procharger? said to keep the 4.0 wheel for my target 7 to 8 PSI because my cam, heads, headers will drop it to that range. A few board bros sent me email and said that is CRAZY, I know guys on that wheel at 12 PSI and 760 whp. So anyway I listen to the bros on the forum and got a 4.5 wheel, I get about 7 to 7.5 PSI, hard to tell as the car can't stay on the road. My goal is 700 RWHP, so now that my fuel system is squared away, what size wheel? I'm looking at 4.25, but even 4.33 may do it. I want the least boost needed to make 700 RWHP on E. My setup: stage 1 supercharger cam, pray heads, mds, 103mm, 1 and 7/8 LT, second BOV, stage II intercooler. Oh and a D1X. So all you D1Xs what wheel are you running for 10 PSI and 700 RWHP. __________________ Forged short block, large duration sub .600 lift Cam Motion cam, 7200 RPM fuel cut, Pray Ported Heads, 3.85 pulley D1X, stage II intercooler, DSX secondary low side, DSX E85 sensor, Lingenfelter big bore 2.0 pump, ported front cats, 60608 Borla, LT4 injectors, ZL1 1LE driveshaft and Katech ported TB, ported MSD intake, BTR valvetrain, ARP studs, ProFlow valves, PS4 tires.

11-20-2018, 08:02 PM	#2
KingLT1 Drives: 2016 1SS NFG A8 Join Date: Aug 2017 Location: 46804 Posts: 6,796	you should hit 700 using the current wheel on 8psi with e85...especially being a M6. Just going from 93 to 85 is going to net 60-70whp increase in power all else equal. __________________ 2016 NFG 1SS A8 Options-2SS Leather/NPP Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA

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