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-   -   84 240 Turbo Clutch Kit (https://forums.turbobricks.com/showthread.php?t=352037)

golddayton101 10-30-2019 08:48 PM

84 240 Turbo Clutch Kit
 
Iím ordering my clutch kit this week and wanted to know if I can use a Sach kit for a 700 series turbo and just use the Pilot/Throwout bearing off of a 240? I remember reading a thread years back about other options like an Rx7 or Saab kits.

dl242gt 10-31-2019 07:25 PM

You can use a 740 turbo disc and pressure plate with the 240 throwout bearing only if your car has the dished flywheel. If you have a flat flywheel turbo car. Then you need a clutch to match up to the flat flywheel.

However, the dished flywheel bolts on without modification so that is an option so you can use the 740 turbo clutch.

golddayton101 10-31-2019 08:54 PM

Can the flywheel type be verified through the VIN?

Redwood Chair 10-31-2019 10:46 PM

More likely the build date or a look in the engine bay.

dl242gt 11-01-2019 12:43 PM

Yes, as Ken points out. There are certain parts that were installed along with the bigger flywheel. Is your car a factory intercooled car?

The factory intercooled car has a small bracket for extra relays just in front of the battery. If so then you probably have the lager flywheel in there.

golddayton101 02-12-2020 05:01 PM

I've looked at the front of the battery tray a didn't find any extra relays. I did find out that the intercooler was retro-fitted in 87' so it's not a factory intercooler car. Would it be safe to say that the standard 7XX m46 turbo clutch kits will work with no problem?

dl242gt 02-12-2020 05:58 PM

That would mean it's been retrofitted and should have a flat flywheel clutch setup. I would recommend getting a dished flywheel and clutch setup which hold a bit more power than the stock flat flywheel turbo clutch. Mine didn't last very long when I intercooled my car and upped the boost to 10psi.

BTW the build date is on the drivers door.

77volvo245 02-13-2020 02:00 AM

this will work with a 8.5in flat flywheel

https://www.stsmachininginc.com/coll...2-daily-driver

VB242 02-13-2020 09:41 AM

Quote:

Originally Posted by dl242gt (Post 6045062)
That would mean it's been retrofitted and should have a flat flywheel clutch setup. I would recommend getting a dished flywheel and clutch setup which hold a bit more power than the stock flat flywheel turbo clutch. Mine didn't last very long when I intercooled my car and upped the boost to 10psi.

BTW the build date is on the drivers door.

I have a flat flywheel clutch setup from South Bend Clutch that's good for 330ft.lbs. I do have a T5 swap but I'm sure they can come up with something for a factory trans.

Edit, I would support STS with above setup though, they make some cool stuff for our cars

dl242gt 02-13-2020 02:00 PM

Quote:

Originally Posted by 77volvo245 (Post 6045278)
this will work with a 8.5in flat flywheel

https://www.stsmachininginc.com/coll...2-daily-driver

This is a great way to go. The flat flywheel is quite a bit lighter even stock. The engine revs up much better with it.

golddayton101 02-14-2020 01:20 AM

The STS is a good option. Does it matter which 9” flywheel I choose to run? Later 240, 740/60?

white855T 02-14-2020 12:55 PM

Flywheel only matters if you're using lh 2.4 which you are not.


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