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Supercharged 924 NA
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morghen  



Joined: 21 Jan 2005
Posts: 9084
Location: Romania
PostPosted: Wed Apr 10, 2024 12:30 am    Post subject: Reply with quote
Yes, the silver test car but only briefly as it is not the scope of the project.
It is very weak compared to the same car supercharged...but its pretty smooth.

One guy from Denmark will only run EFI as the k-jet on his car was fubar and he didnt get the supercharger kit yet.
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Cedric  



Joined: 27 Aug 2004
Posts: 2771
Location: Sweden
PostPosted: Wed Apr 10, 2024 12:52 am    Post subject: Reply with quote
Legitimate Salvage wrote:
Only issues I’m having with my k-jet are hard starts (both cold and warm). It runs well otherwise.

My primary issue is financial. I can afford either the SC or the EFI… not both.


Ive driven quite a bunch of 924 over the last 20 years or so, n/a, SC, turbo. I would say that if the Kjet is fully functional(though many arent), you cant guess if its EFI or kjet by just driving it. It shouldnt have any odd behavior and start cold/hot right away, like mine The question is if you can/want to get there or not. For many with shagged Kjet systems, the EFI will be cheaper and faster, especiially for people with 0 kjet experience, but in your case i would get my hands on a fuel pressure gauge and try sorting it out methodically. It might be reasonably easy to sort out. And if you do it you can safely put the SC kit on it and have loads of fun! (its really great:))





Disclamer, they all been euro cars, US cars might have som other quirks ive never experienced:)
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Legitimate Salvage  



Joined: 19 Dec 2023
Posts: 52
Location: NC, USA
PostPosted: Fri Aug 09, 2024 10:49 pm    Post subject: Reply with quote
Well... just as I was about to pull the trigger, I've started getting a screechy squeal from underneath the car when it's in motion (whether in gear or coasting in neutral). It only happens maybe 1 out of every 5 or 6 drives. From my initial research, it seems to be a torque tube bearing. PO had the entire clutch assembly re-done/replaced when he rescued it from long term storage. According to the invoice, nothing was done about the TT bearings. Not even sure they checked them. I'm seriously bummed.
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safe  



Joined: 18 Mar 2017
Posts: 691
Location: Sweden
PostPosted: Fri Aug 09, 2024 11:39 pm    Post subject: Reply with quote
Legitimate Salvage wrote:
Well... just as I was about to pull the trigger, I've started getting a screechy squeal from underneath the car when it's in motion (whether in gear or coasting in neutral). It only happens maybe 1 out of every 5 or 6 drives. From my initial research, it seems to be a torque tube bearing. PO had the entire clutch assembly re-done/replaced when he rescued it from long term storage. According to the invoice, nothing was done about the TT bearings. Not even sure they checked them. I'm seriously bummed.


I don't know what bad TT bearings sound like, I would guess they would be more rumbling than screechy. My TT had a couple of worn bearings, but I really didn't hear much from them.
Its a hell of a job to remove and replace the TT, but to replace the bearings isn't that bad when its out.
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Raize  



Joined: 18 Sep 2013
Posts: 411
Location: Scotland
PostPosted: Sat Aug 10, 2024 3:48 am    Post subject: Reply with quote
Legitimate Salvage wrote:
Well... just as I was about to pull the trigger, I've started getting a screechy squeal from underneath the car when it's in motion (whether in gear or coasting in neutral). It only happens maybe 1 out of every 5 or 6 drives. From my initial research, it seems to be a torque tube bearing. PO had the entire clutch assembly re-done/replaced when he rescued it from long term storage. According to the invoice, nothing was done about the TT bearings. Not even sure they checked them. I'm seriously bummed.


If it squeals while coasting in neutral but not when stopped then it's unlikely to be the torque tube bearings, rather something in the gearbox, driveshaft or wheel bearings.

Remember, neutral decouples the pinion shaft from the main shaft, so the main shaft and TT will just be turning at engine speed, regardless of your road speed or if you're stopped.
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