Thread: JMS FuelMax installed
View Single Post
Old 02-17-2021, 07:54 AM   #30
JANNETTYRACING

 
JANNETTYRACING's Avatar
 
Drives: BLUE CAMARO ZL1 1LE M6
Join Date: Jun 2009
Location: ON THE DYNO WATERBURY CT.
Posts: 15,453
Quote:
Originally Posted by 7LitreC5 View Post
Once a JMS FuelMax is installed, does it require a retune?
That depends if someone was trying to cover up loss of fuel pressure in the tune.

If so the car will get richer up top after adding it.

Ted.
__________________
www.jannettyracing.com
Celebrating 39 years Performance parts, Installation, Fabrication, Dyno tuning, Remote custom tuning, and alignments. 203-753-7223 Waterbury CT. 06705 email tedj@jannettyracing.com
JANNETTYRACING is offline   Reply With Quote