tuning

My X1/9 came running with a Haltech F10 which was last tuned probably 10+ years ago. It was running way too rich with injections at about 4-5ms at idle. I got a hold of a very old laptop and was able to get it connected and working. However, when I was turning down the fuel injection times, my...

Hi all! First of all, I am very new here, but I came across your forums on my search for the solution of my little problem. Short introduction, I have two old Fiat Panda's, one from 1984, one from 1985. I bought the 1985 one as my first car when I was 17, already 8 years ago. Last year I...

I have been having some issues running my engine with the 36 DCNVA carburetor. The engine is a very overwarmed 1300 with all the goodies in my signature. The car accelerates and drives fine expect when at light throttle, city cruising which is what I normally do around here. The car leans out to...

I recently installed an AEM wide band sensor to help tune my carb. The car runs and drives and we just went for a quickie drive around the neighborhood. Some notes about its current condition. Engine spec is in my signature. Carb is a 36 DCNVA, very similar to a DCNF but with a manual choke...

I recently got my engine running after full rebuild. The main components are in my signature and below: 1500 Euro head (no decomp ring) head port and polished per SteveC Ultimate SOHC 37.5mm intake valves (33 exhaust, stock for 1500s) 87mm bore Alquati 40/80 cam 8551 Mondial pistons w/ extra...

I purchased a two 4-2 exhaust manifold gasket for my new custom 2-1 downpipe only to find the secondary port diameters are smaller than the manifold I purchased. The manifold port diameters are between 33-35 mm each (slightly oval shape) yet the gasket diameter is 33. I feel this would greatly...