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there are three 47uf 16v capacitors on the circuit board. 2 of them each have 1 leg burnt off. im not an electronics guru by no means so for those guys here that are here are some questions/background. Ive been having a low rpm miss for a while and couldnt pull codes. I checked pin 40, 46, & 60...

below 2500 RPM my car feels like it is missing while cruising. Im not sure if it is tune related or if it could be from my cam / intake combo. I have an F303 cam with 1.72 roller rockers and the edelbroc victor intake with 42 lb injectors. could the large intake along with cam overlap cause what...

so far, these are the mechanical things I have tried to fix the drivability issue. I have changed plugs, wires, cap & rotor, and fuel filter. Made sure base timing is set at 10 BTDC with spout out. I have done a compression test. 165 psi at all cyl. I have done a cyl leakage test and didnt hear...

I just started trying to use my TWEECER RT on my new to me 90 mustang. I noticed in the data logs that theKAM data is always 1 and I know Im not that good at tuning. I checked for check engine codes and one of the codes I got was KAM check failed. I checked to see if i had any bad fuses and...

I just bought another 90 mustang and after swapping my rear axle assembly and control arms to the new body. i notice that the right rear wheel sticks out further than the left. what could cause this as i didn't notice it on the other car. i also had to push the axle toward the left just to get...

Not sure if this is a question for the tuning section but, my question is. with BE, can you log your wide band and a 2 bar sensor for boost at the same time? I have my wide band hooked into the egr wiring. if there is another sensor that can be used for the boost sensor i would appreciate the...

I have a buddy that is going to be upgrading his fuel system soon and he asked me if I would want his old 255 LPH walbro. Have any of you guys ever put 2 in tank pumps in a fox body? When I did a search, I found some guys with newer mustangs have done this but couldn’t find any info in the Fox...

Im planing on picking up an 05+ MAF sensor and harness at the junk yard and have a quick question about it. I know that the 05+ MAF also has the intake air temp sensor in it. Can I splice that into my harness so that I dont have to weld in another bung and have another sensor hanging out of my...

I have had vacuum leaks & a low fuel pressure problem at separate times. both have caused crappy idle and back firing through the intake if I tried to rev the engine. My question is, why will a lean fuel condition cause a back fire through the intake? I understand that a rich condition will let...

I was thinking about a catch can for my PCV. Would it be possible to run a house from the bottom of the catch can to the front drain plug on the oil pan or would that cause an aeration problem? I was thinking about doing the same for my oil return pump for the turbo. It is routed to the oil...

I looked online at summit & called grant directly. they dont seem to have an adapter kit for a 90 mustang. Im not going to need an air bag or horn. do you guys have any suggestions? Im just looking to put a cheap wheel in there for around 50 bucks plus the price of an install kit. thanks

I’ve been thinking about doing a build thread for a while now so, here goes. This is my first project car build. The car is a 90 lx hatch. When I bought the car a few years ago for $1800 bucks, it had been converted to a 5 speed but, the guy who did the swap only tightened 3 of the 6 pressure...

I just finished my intake & rocker install. I had a few issues with getting a base tune set up for the new 42 lb injectors & thought I would also hook up my vacuum gage just to see what it had. I have a 308 with the F303 cam & 1.72 roller rockers. With the new rockers the cam now has 2* over lap...

Ive been searching the forum & trying to google info on moving the engine rearward. If anyone has info, pics, web links, or track results of how moving the engine back has helped performance, please post them. Please post parts used & how far back the engine was moved. Thanks

I will be putting a turbo in soon and thought that it would be a good time to upgrade the intake as well. I went withe the summit stage 4 single plane. (a nock off of the edelbrock vic jr). I have already drilled & installed the injector bungs so there is no turning back at this point. here is...

I recently rebuilt my engine. Now I am planing to add a turbo. when I did the rebuild I didn't plan ahead very well for this. I reused my stock crank and rods. my question is. can the stock crank and rods handle 5 psi of boost or, will I be seeing them again real soon? only this time they will...

just rebuilt my engine. now that Im over 500 miles on it I thought I would do a few high rmp runs. when i installed the 185 AFR heads & new roller rockers, the instructions on the rockers said to tighten the nut down until there was no slack then go 1/2 to 1 turn more. i noticed that when doing...

this is a common question I'm sure but, what can you guys suggest to help get better traction? So far I have added 3.73 geaars with a spool. 275 50 R15 MT drag radials. granatelli weight jacker LCA's, Baseline Suspension UCA street launch kit, adj rear shocks adj front shocks with coilovers. on...

Went to the track last night. This is only my 3rd time trying to race & first attempt at doing burn outs so, most of my problems are mostly driver eror I would guess but, tell me what ya think. 1.90 sixty foot time, 8.78 at 81.38 mph in the 1/8. Other than completly stripping the interrior of...

Is there a minimum amount of vacuum that the EEC needs to see on a 90 mustang? the reason for this question is, I am planing on swaping out the 302 & replacing it with a 557. I want to keep it fuel injected and use the factory A9L eec to control it. I have the TWEECER RT so i know I can change...