Long Tube Gains
Pre-LT Combo:
Vortech SQ-Trim Supercharger
(10 psi w/ Stock Pulley)
Bassani catted X-pipe
2.5" Ultra-Flo Cat-Back
FRPP Oval Throttle Body
24lb Injectors
80mm Pro-M MAF (24 lb cal)
Vortech Mini-Race By-Pass Valve
Anderson Power Pipe
MSD DIS-4 Ignition
JMS Custom Chip
Stock Exhaust Manifolds
Notes:
1. BBK LT's were added.

2. Existing catted Bassani X-pipe was modified to fit with LT's.

3. The Bassani cats were replaced with BBK cats.

4. 36 lb/hr injectors were added with LT's.

5. 36 lb/hr Pro-M 80mm MAF meterwas added with LT's.

6. 255 lph in-tank fuel pump was added with LT's ( replaced stock in-tank fuel pump).

7. Before and after LT's: air-fuel ratio was 11.75:1between 4000 and 6500 RPM.

8. Before LT's: air-fuel ratio leaned out above 6500 RPM (12.5:1 @6900 RPM).

9. After LT's: air-fuel ratio remained at 11.75 throughout RPM range (via new JMS computer program).

10. Timing advance was 18 degrees before and after LT's.

11. Pre-LT JMS computer program and Post-LT JMS computer program were mail order programs based on wideband o2 air-fuel data provided to JMS. The a/f data was logged on the dyno and on the road.
Back


Home PageE-Mail

Copyright ©2003 by David Simmons - ALL RIGHTS RESERVED