RCSB build
#596
Thread Starter
Mod with training wheels
iTrader: (16)
Joined: Feb 2009
Posts: 7,741
Likes: 207
From: Detroit
Truck is feeling really good. Did some more trans tuning tonight to get it to where I wanted. Converter lockup with the old trans was soft and mushy and didn't hold torque...definitely a thing of the past lol. First time it locked I thought it was going to break something. Had to dial back the PWM a little bit to soften it up.
Turned the **** up to 14psi and it pulls hard, but definitely spools noticeably slower now
I may have to bring the bottle out this weekend when the boys go out to play lol. Nitrous is going to be a necessity at the track now if I'm going to be cutting any reasonable 60' times, at least until it cools down more. DA is 4700ft right now, and with my foot basically on the floor for almost 4 seconds it only managed to build like 4psi. I can hear a couple exhaust leaks so I am going to get those patched up and see how much it helps. With half the cylinders feeding a turbo I'm thinking an exhaust leak is going to hurt much more now. Timing tweaks should help spool out somewhat as well..
I'm gonna throw some E85 in my nitrous fuel tank instead of methanol and swap the fuel jet with the nitrous jet...should net like a 75 shot. Ought to be fun with 14psi. We'll see if that 9 second cobra wants to play this time
Turned the **** up to 14psi and it pulls hard, but definitely spools noticeably slower now
I may have to bring the bottle out this weekend when the boys go out to play lol. Nitrous is going to be a necessity at the track now if I'm going to be cutting any reasonable 60' times, at least until it cools down more. DA is 4700ft right now, and with my foot basically on the floor for almost 4 seconds it only managed to build like 4psi. I can hear a couple exhaust leaks so I am going to get those patched up and see how much it helps. With half the cylinders feeding a turbo I'm thinking an exhaust leak is going to hurt much more now. Timing tweaks should help spool out somewhat as well..I'm gonna throw some E85 in my nitrous fuel tank instead of methanol and swap the fuel jet with the nitrous jet...should net like a 75 shot. Ought to be fun with 14psi. We'll see if that 9 second cobra wants to play this time
#597
Thread Starter
Mod with training wheels
iTrader: (16)
Joined: Feb 2009
Posts: 7,741
Likes: 207
From: Detroit
Also, Mitch never mentioned/asked about it til I had the kit installed, but it sounds like boost bounces between turbos! If you slowly let out where on a single turbo setup you'd have BOV flutter, the pressure seems to bounce between compressors. Weirdest thing to hear when you're cruising along with the windows down, roll out of the throttle and hear that air rushing sound alternating between two sides of the truck





