Vacuum leak effects on tune.
#1
11 Second Club
Thread Starter
iTrader: (6)
Join Date: Jul 2006
Location: Sibley, La
Posts: 237
Likes: 0
Received 0 Likes
on
0 Posts
Vacuum leak effects on tune.
During a recent dyno tune, the car made awesome power but on the way home I realized I had a bad vacuum leak. After fixing the leak, the car is down on power. My question is, could tuning with the vacuum leak be affected after the leak is stopped? The power reduction was pretty significant or I wouldn't even worry about it.
#7
11 Second Club
Thread Starter
iTrader: (6)
Join Date: Jul 2006
Location: Sibley, La
Posts: 237
Likes: 0
Received 0 Likes
on
0 Posts
Yea, the leak wasn't noticed until I tried to turn on the a/c on the way home. I guess we'll retune it next week and see where the power went. How much can you lose by running rich? We also had to pull timing due to some knock on the dyno. Now that the vacuum leak is gone, maybe the timing needs to be adjusted. Thanks for the responses.