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Hey all getting a 3-1-1 and 2-1-4 on my 1990 740 turbo. Drives fine majority of time but once a day it will run as if it's on two cylinders . Will be WOT with no acceleration and power. Within a minute or so everything will back to normal. While condition exists it will have irradic rpm and...

I'm looking for the best solution other than taking my side exit 3" to the shop to have an over axle portion bent up. Anybody got suggestions on pipe bending at home or a place where I can buy just the right pipe bends(specifics please) online or in Sacramento/Bay Area and weld it up myself...

Got an issue with my 1990 740ti.. When I come to a stop, the car sputters and then dies( rpms between 500rpm and 1200rpm). To start it back up it has a rough idle and needs a second of throttle so that the idle settles back down to 800rpm. Afterwards it will drive normally until the next...

While driving my 86 745 turbo last night the volts dropped to below 10 and my dashboard lights began to flash (lambda, parking brake etc). All the while the car kept on running smoothly except for a slightly higher idle of about 900-950. I recently put a rebuilt head on with a IPD cam, do not...

So ive been driving the ol mans 745T lately. Drove fine today, no leaning out, misfires or anything that would hint at a problem. Went to start it up and it just turns over, no spark or no fuel Id be guessing. So where does would you begin to look first? Anyone else experience this? Stock LH 2.2...

When Im cruising around 50 to 60 mph in my 745, I intermediately get a wobble/slight tapping banging noise coming from the front right wheel. pulled over and tried to tighten wheels because that's what i thought it was. To no avail the noise came back 5 minutes later and is now sporadically...

I pulled a 13c from the junkyard and the hot side is missing the three studs that connect downpipe flange and hotside of the turbo. Would anyone know the specs on the studs so I can order them? OOrrrr does anyone have any in GOOD condition they would want to sell? jeremy

What is considered dangerously lean under full boost? I have a 85 745 on stock efi with a .60 turbonetics turbo set at 15psi,meth injection opening at full throttle etc etc what should my UEGO wideband be reading at 10psi and 15psi. thanks

I need to know if the 12b oil drain bolts are the same as the 13c ones. If not could somebody let me know the specs on the 13c bolts thanks

What are the benefits of throwing one in a 3'' exhaust, and what size is good? thanks

Just wondering if the 940's b230ft would bolt right into my lh 2.2 88 745t? I dont see anything that would be of trouble... Also dont they come with oil squirters and the 13mm's? thanks