SN2000 to a VR-4 Upgrade

[89LX]

I was gonna call Cliff at Cundn and ask about the VR-4 upgrade? How much are they and how much more boost do you get over the SN2000 with the high output impeller.

I have an 89LX with a stock block and heads with a BBK-SSI intake. So far I have seen 5-6 PSI in the top end of third with 373's? I love what it has done for my car so far. I have a brand new block on the stand and am planning on larger heads (Not Sure how large of an intake runner as I don't want to lose PSI trying to fill the space) Larger throttle body?(maybe a 70mm) seems to be popular, and a larger set of of injectors 24's?? I also want a larger Mass Air Flow and a good Cam (Thinking of the E?? for emmisions legality). I am looking at the Keith Black Forged Pistons and Scat Rods. I already have a brand new Ford Racing Balanced CrankShaft. I am also planning on the PMS computer and I am already running the Automatic computer in my 5-speed car. I also have a Tremec TKO500 coarse spline 5 speed with the bellhousing does anyone know if the clutch is the same as a T5 or is it larger diameter ?? Thanks for any and all help just want it to get up and go. Would I gain on the stock motor configuration with a Methanol injection "with out" messing with timing in the computer or would I only notice an improvement by Dyno tuning or PMS tuning the car's timing ?? I also have the wide band Air Fuel gauge set up from Autometer to fine tune the car as well.

Thanks again for any and all your help!

[speedytang]

8 years ago I was paying $800 new when Paxton was still making the upgrades. The unit will double to 1600 cfm and 14-16 psi.

[89LX]

Okay thanks for the quick response! I e-mailed Cliff at Cundn and he might have some made up in Dallas if they can do it. I also contacted solanki performance and he said his supplier in Brazil is now out of business and he doesn't have anymore.. I had read on here somewhere Craig at Paradise Wheels was to make some up if he had 15 or more orders. I love the Supercharger and what it has done for me so far but like everyone else I just crave "More" Thanks again for all your help.

Todd