Search found 4 matches

by jayroc
Wed Mar 01, 2006 11:01 am
Forum: Tuning Fuel and Air
Topic: any tips to tune out an off idle stumble?
Replies: 60
Views: 5625

I had some trouble with this too, but I managed to tune it out pretty well eventually.
What are your map bin settings for mapdot? I had to go up to 400kpa/s with a 12ms pulse at highest and maybe an accel time of .5 or .6 IIRC.. That took care of a big part of my WOT hestitation issues. Also, as ...
by jayroc
Sun Jan 15, 2006 10:44 am
Forum: Injectors, Fuel & Air Supply
Topic: Coated exhaust manifold "phenomena"
Replies: 4
Views: 650

Actually, I was having hot start issues before installing this manifold, I've recently got them sorted out. Mostly pulsewidth and ASE related..

No, I never noticed it before.. At idle the MATs would get as high as 120 and cool after shutdown. Both the CLT and MAT sensors are GM. My cranking ...
by jayroc
Sat Jan 14, 2006 10:58 pm
Forum: Injectors, Fuel & Air Supply
Topic: Coated exhaust manifold "phenomena"
Replies: 4
Views: 650

Coated exhaust manifold "phenomena"

I got a ceramic coated exhaust manifold installed and it lowered my MAT temps a pretty good amount, however I have noticed something strange...
At idle, I noted that the MAT was around 60 with a CLT of about 175-180. So, I shut the car off and come back maybe 30 mins later. MAT is 90-95 and CLT is ...
by jayroc
Mon Dec 05, 2005 10:59 pm
Forum: Injectors, Fuel & Air Supply
Topic: surge tanks?
Replies: 47
Views: 3612

I have a surge tank on my previously carbed 84 rx7.
The regulator returns to the surge tank, but the surge tank also has a return line going back to the tank. It works well for me.