Clutch kit and Lightweight Flywheel

[Krom.motsu]

I am replacing my clutch soon and am wondering if there is any upgrade for a 12 sport? Also looking for a lightweight flywheel and someone who can point in the direction of a write up of changing the clutch. I’m not sure how special these cars are when it comes to the transmission and such.

[Scallootch]

The OEM flywheel on North American nonturbos can be machined to reduce mass by over 1/3rd of a kilogram, with notable improvement in response. Downside is that when you've got the air conditioning working, the AC compressor drags the revs down drastically during 1-2 shifts, making around-town driving a bit herky-jerky when the AC's on. Makes for a bit of a 'windows open until we're at cruising speed in top gear' sort of situation.

The lightened flywheel can also make for a similar effect when you're carrying heavy loads, especially when your gear oil's still cold and your shifts are commensurately slow.

[Krom.motsu]

Okay. But is there not a replacement lightweight one? I found one on amazon but not sure if it fits my car

[Scallootch]

I bought Aasco Motorsports' 3.72kg, 4140 steel flywheel for nonturbo EAB 1368cc FIATs from RRM for my racecar's next motor, so I can only give an impression of how it looks in the box. Judging by how the flywheel had beaten up on the sides of the box, I felt it necessary to send the unit out to have the balance checked as soon as I saw it. Don't know who else sells the Aasco flywheels, to be honest. I'd read on the 500 Owner's Forum that Vivid Racing was selling them, but I just had a look and couldn't find it there, nor on RRM's site, nor on Aasco's site. Happy hunting, I guess?

[Scallootch]

Ah! Found it at FRSport. https://frsport.com/aasco-102515-12-lig ... rrency=CAD Says billet aluminum at the top of the page and billet steel in the description. It's steel.

[texanbrit]

I think you guys are talking about different things.

There are lots of options for lightweight pulleys that drive the accessory belt. I run one from MPX that is for the NA 1.4L.

I've not seen any clutch kits or lwfw for the C514 gearbox in the 2012-2017 500 Pop & Sport. It might be worth reaching out to Clutchmasters and/or South Bend directly and asking if they have anything for the non-turbo cars. I'll PM you the email address I have for Clutchmasters.