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In case some of you are wondering what made me look into that bolt, here is the full story: After I got my car back from the shop I started smelling a lot of fuel in the cabin. Under the hood I found a fuel pressure regulator with a small hole on the top where fuel was shooting out!! When I...

UPDATE: MAJOR FINDING. At the beginning of this year I had my engine rebuilt by a local mechanic shop. I've had many problems with my car after the rebuild due to their sloppiness in putting the engine back together: i.e. forgetting to tighten screws and bolts, installing parts that were...

Tried that but same thing. The problem for me is that I'm not seeing enough fuel under WOT where in most cases there should be plenty even from 440's. And because there is so much fuel people generally pull some out and that's what "raises" the fuel cut. There isn't a separate function to adjust...

Thanks for the advice but I don't think I'll do that just yet. I just got the unit... And I already know a few locals running the same setup and they are doing fine so to say that the MAFT flat out sucks isn't a fair statement. Thanks though. Is there anyone else with ideas other than to...

Went down to the dyno today and got sad results. I'm running stock 440’s with MAFT and when we tune to safe A/F levels (11.4 to 11.8), I'm hitting fuel cut at 9 psi...?! When we try to tune out the fuel cut we're getting scary numbers like 13.5 AFR @ 4500 rpm!! We even tried lowering the...

Hello all, I have a few things for sale. All prices are in CAD dollars and otherwise noted, are firm. --------------------------------------------------------------------------------------------- K&N FIPK ('86.5 ~ '92) - $90 Used for 1 year All hardware intact and included Installation...

Update: It might not be the actuator after all. The flange on my aftermarket downpipe might be too wide that it blocks the wastegate lever from fully opening. Hence the creeping problem... I will further look into the problem and let you know if I do need an actuator after all. Thanks!

Very insightful, thanks. I will keep all the above in mind while I continue to search for a definite cause of the problem. But in the end, I just might need to go with an upgraded CT-26 to rid of the problem altogether. Thanks again.

LOL, yes it's not making sense to me either. Nevertheless, it's happening and it's driving me crazy. As for the difference, yes, I do feel a good boost in power. It's just that now I have a proper boost gauge and I'm able to see the change visually with accurate readings of boost pressure. I...

Looking for a wastegate actuator in "good working condition". Mine had a weak spring so I bought one from a supraforums member last year. I had it installed a couple months ago but it also seems to be malfunctioning. :3d_frown: Please let me know if you have one. Thanks,

I posted a thread about a week ago regarding boost creep issues in my stock CT-26. A few suggested that it could be my GReddy T.V.V.C. MBC so I disconnected it and tried shimming the wastegate instead – same thing. Others suggested that it might be a leak in the IC piping so I checked that...

Update: I think I found one. Jeremy at Kinetic has one. Thanks everyone.

Hi all, I need a HKS flange ASAP. It needs to be a steel one. Getting piping work done at Randy's on Wednesday but he's out of stock. Please let me know if you have one for sale. Much appreciate it!!! Thanks,

Are you asking me? If so, yes that is my blue '87 (Sold my Bronco and WRX).

Yes. Why do you ask?

Yes. I have a turbo-back. The downpipe starts directly after the turbo: one of those bell-mouth ones. I see... So what you're saying is if I remove my GReddy MBC and run a shimmed wastegate, I shouldn't experience the current problem, correct? I will try that. Thanks! Thanks for your input...

Hi everyone, I’ve recently installed a GReddy boost and EGT gauge to monitor my '87 turbo. My mods are: turbo-back, intake and MBC. Otherwise, the vehicle is stock. I've been trying to set the maximum boost to about 0.7bar (10psi) but have been noticing slightly strange boost behaviors. My...

Hi everyone, I've been browsing the supraforums for quite some time now but was told that it's a lot friendlier here so I've decided to join! I'm Jason and I live in Burnaby, BC. Hope to see everyone around - especially BC-based members!