Right now I have a 4age 20v silvertop with a blacktop ecu with open itbs, I have the map sensor tee into the vacuum line underneath the itbs. The problem is right now with the isc capped it idles at 800rpm but is rough/stalls easily. If I just leave that line off, the idle jumps to 2500rpm. Do I hav...

I have done a wet compression test but the results stayed the same. So that's eliminating rings and valve seals.

Ever since I have had my 20v it has always ran rich with no engine codes, and there seems to be a misfire while idling ontop of that it idles at a minimum of 1500rpm anyways I did a compression test on it the other day and I got Cyl 1-150 Cyl 2-180 Cyl 3-180 Cyl 4-180 So I'm thinking its either the ...

you see that its an "open" diff with the axles out of the trans. I've heard that the c160 is a weak gearbox.

I have some questions bout my 20v/c56. first of all how do I tell if it has a lsd or not and if its not would it be easier to just find a c60 or c160 and swap it in?

I also hear a vacuum leak near the isc. so I think that's what causing it not to start so im going to replace the hose. Is there any usdm one that i can use? edit: i got that fixed and its still not starting. my check engine light isn't coming on either and i have it hooked up to my pin 13 in my 22 ...

hello, I have a 1986 toyota celica gts with a silvertop 4age 20v with a dr.tweak self-contained harness and i tried starting it today and the only way it could start was if i held the afm open and bridged the fuel pump it ran good after that though apart from that my tach doesn't work and i wired it...