Detonation Problem

Reply Subscribe

Thread Tools

Search this Thread

Sep 27, 2003 | 08:50 PM

#11

98civic

Thread Starter

0.0 BAR

Joined: Jul 2003

Posts: 13

Re:Detonation Problem

i'm using the 12.1 fmu from Vortech. the website said it was good for 10psi and under on stock injectors. all i have is a boost gauge.

Sep 27, 2003 | 08:53 PM

#12

Dr.Boost

3.0 BAR

Joined: Mar 2003

Posts: 21,468

Re:Detonation Problem

I'm having a hard time believing you are running lean with a 12:1. Very strange.....

__________________
Best Car Insurance | Auto Protection Today | FREE Trade-In Quote

Sep 27, 2003 | 08:59 PM

#13

98civic

Thread Starter

0.0 BAR

Joined: Jul 2003

Posts: 13

Re:Detonation Problem

what could be wrong, when it hits 5K it starts to drop rpm and raise again, then drop, do you understand what i'm saying? i cant of a good way to explain it.

Sep 28, 2003 | 12:44 PM

#14

warren_teg

1.5 BAR

Joined: May 2003

Posts: 1,024

Re:Detonation Problem

could it be your internal coil.

Sep 28, 2003 | 03:24 PM

#15

Jared

0.5 BAR

Joined: Aug 2003

Posts: 80

Re:Detonation Problem

Quote:

Originally Posted by 98civic

I just installed a IHI turbo setup for my 98 civic(D16y7). With the wastegate on my car it runs 4psi, feels like stock for me, so i unpluged the wastegate and the car runs a solid 7psi it never goes beyond that point

So with no vacuum line at all to the wastegate you run 7psi? Sounds like a major boost leak to me, could be the reason you're detonating.