Sebring Silver Build
So far, I have the Speed Inc SC2 Cam, ARP Head Studs, LS9 Gaskets, 317 Heads that are ported with angle valve job by KATECH (72cc). LS6 intake, 1-7/8 headers, true duals, and the P1SC-1. You guys think that 600-650whp is something doable? Maybe at 8 lbs? If you guys think I should change something let me know.
I've been thinking of doing a fuel return. Perhaps with the WS6 Store Vette regulator. And a 340lph pump.
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Speed Inc SC2 - Duration @.050 is 224/232, lift is .581/.595 and ground on a 114LSA
Bob's Cam - Duration @.050 is 232/240, lift is .595/.608 and ground on a 115LSA
I got the heads. 317's ported and valve angle job by KATECH. Lunati .660 springs that I've had in the garage.
I have a 8.65" crank with a 4" blower pulley. What do you have to achive 10lbs? I'm wondering if I'm anymore in the ball park. I know a lot of variables play with boost numbers though.
Also, what lifters did you go with? Been looking at LS7 lifters, but I hear great things about the Johnson Drop-in. I just don't know if spending $400+ on drop in lifters over link bar make sense. I may just stay with the LS7 lifters. I hear too much mixed stuff about Morels.
I really like the LS9 gaskets on my car and am using them on another LS3 build I'm doing now.
I've never used anything but new GM plastic oil barbell diverters.. They are like 3 or 4 bucks. Never any issues.
I have LS7 lifters in 4 motors, and am putting them in a heads cam LS3 now. They are cheap and work.
If you have that SC2 cam, keep it as well. Personally I run a 227/234 on a 115 LSA in my own blower car. Drivability is good. Used to have one similar to Bob's cam with an N/A setup and it wasn't as easy to tune/drive.
I have a 50/50 mix in it and use it for cooling and a safety margin. Makes a HUGE difference in the IAT temps.
With a failed pump motor we hit 200 degrees IAT in a 1/2 mile. About an 80 or so degree difference at the end of a run.
I have a 50/50 mix in it and use it for cooling and a safety margin. Makes a HUGE difference in the IAT temps.
With a failed pump motor we hit 200 degrees IAT in a 1/2 mile. About an 80 or so degree difference at the end of a run.
Thanks for all your input btw. I appreciate it.
Thinking of going with a Racetronix 340lph pump and wire kit. Also, aftermarket fuel rail kit with a regulator. I'm planing on using the stock lines for a return. Let me know if you guys have any suggestions on that.











