Re: Project 91 "SS" 3400/5spd
Posted: Mon Oct 26, 2020 10:54 pm
Finding new ways to fail in 2020!
I did find out that my o2 issue is from the ECM itself. Bypassing the o2 signal wire in the harness had zero effect, but swapping a spare ECM in fixed it. But shortly thereafter it ripped a rocker arm and its threads right out of the head. So I helicoiled it and reassembled. Couple days later it was ticking, so I took that one back apart, Loctited it, and went to the track.
Spent all day for One. Freaking. Run. It was packed and I couldn't even get through tech before the first test & tune run at 9. Waited until 12:30 to get my first run, and at 5:30 they shut down the track. Had two crashes and 3 oil downs. Waited around all day. Unreal.
So how did that one run go? Well, I tried a little bit more psi in the slicks to try and get just a tiny bit of spin and improve my 60' from the mid-1.9s I was getting with a dead hook. But it blew the tires right off and I had to get out of it and then back in the throttle with a 2.1 60. But it did run a best ever 101.1mph out the back, and the ET was still a 13.67. Which means 2 tenths off the 60' like I usually get and it should beat 13.47. One tenth in the 60 is usually good for almost 2 tenths in the quarter. That would put me in the 13.2-13.3 range.
I'll have some pics and one video coming, but I also had a hard drive crash...so it will have to wait until my computer is back going.
I did find out that my o2 issue is from the ECM itself. Bypassing the o2 signal wire in the harness had zero effect, but swapping a spare ECM in fixed it. But shortly thereafter it ripped a rocker arm and its threads right out of the head. So I helicoiled it and reassembled. Couple days later it was ticking, so I took that one back apart, Loctited it, and went to the track.
Spent all day for One. Freaking. Run. It was packed and I couldn't even get through tech before the first test & tune run at 9. Waited until 12:30 to get my first run, and at 5:30 they shut down the track. Had two crashes and 3 oil downs. Waited around all day. Unreal.
So how did that one run go? Well, I tried a little bit more psi in the slicks to try and get just a tiny bit of spin and improve my 60' from the mid-1.9s I was getting with a dead hook. But it blew the tires right off and I had to get out of it and then back in the throttle with a 2.1 60. But it did run a best ever 101.1mph out the back, and the ET was still a 13.67. Which means 2 tenths off the 60' like I usually get and it should beat 13.47. One tenth in the 60 is usually good for almost 2 tenths in the quarter. That would put me in the 13.2-13.3 range.
I'll have some pics and one video coming, but I also had a hard drive crash...so it will have to wait until my computer is back going.