Dyno results
Thread Starter
Teching In
Joined: Jun 2004
Posts: 44
Likes: 0
From: Cullman, Alabama
Dyno results My H/C 98 c5 made 402/365. Question is about tuning. When the car was idling af was at like 18:1 then at WOT it droped to just below the 11 mark. I don't know a lot about it, but something doesn't seem right to me there. Does anyone know what the prob might be? I appreciate any help, yall.
Thanks a lot,
Blake
P.S. I have the chart but no scanner.
Thanks a lot,
Blake
P.S. I have the chart but no scanner.
TECH Senior Member
Joined: Nov 2001
Posts: 10,341
Likes: 1
That is NOT normal. You want to shoot for between 12.8-13:1 at WOT with it slightly richer (12.8:1) at torque peak and then leaning out slightly (13:1-13.1:1 at hp peak)
18:1 at idle is too lean as well. If the car is in closed loop it should be richer than that by about 4-5 points.
18:1 at idle is too lean as well. If the car is in closed loop it should be richer than that by about 4-5 points.
