Fidanza Flywheel Question - ZR-1 Net Registry Forums

Johnny5 · 07-13-2016

Just to make sure....I was pondering purchasing a Fidanza Flywheel for my 1991 and the stock clutch is in MINT condition as I have had it out a few months ago, SO can I use my stock clutch with the Fidanza Flywheel? Will it just bolt up with no issues?

XfireZ51 · 07-13-2016

Quote:

Originally Posted by Johnny5

Just to make sure....I was pondering purchasing a Fidanza Flywheel for my 1991 and the stock clutch is in MINT condition as I have had it out a few months ago, SO can I use my stock clutch with the Fidanza Flywheel? Will it just bolt up with no issues?

Johnny,

Since the Fidanza is a single mass FW, I would strongly recommend installing
a "sprung hub" disc like the Camaro LT-1 disc to mitigate the gear rattle.

GOLDCYLON · 07-13-2016

You will need longer bolts

Paul Workman · 07-13-2016

Yep! Sprung hub (Camaro) disc, AND the longer (ARP) bolts.

I too love the Fidanza FW mod.

GOLDCYLON · 07-13-2016

Quote:

Originally Posted by Paul Workman

Yep! Sprung hub (Camaro) disc, AND the longer (ARP) bolts.

I too love the Fidanza FW mod.

Are you running with the sprung hub Camaro disc Paul ?

Paul Workman · 07-13-2016

Quote:

Originally Posted by GOLDCYLON

Are you running with the sprung hub Camaro disc Paul ?

Yes!

I'm away from my office just now, but I'll post the part number soon as I get back.

A26B · 07-13-2016

Quote:

Originally Posted by Paul Workman

Yep! Sprung hub (Camaro) disc, AND the longer (ARP) bolts.

I too love the Fidanza FW mod.

I know Ron Woods (ZR-1 enthusiast extrordinaire, now departed) had ARP custom-make the longer bolts for his parts business... I have them in my Zee and am an avid advocate of their use when coupling the OE clutch to the Fidanza Flywheel.

I didn't know that you could buy them direct from ARP now. Do you have an ARP PN? I would like to buy bulk & stock in my store.

Paul Workman · 07-13-2016

Quote:

Originally Posted by A26B

I know Ron Woods (ZR-1 enthusiast extrordinaire, now departed) had ARP custom-make the longer bolts for his parts business... I have them in my Zee and am an avid advocate of their use when coupling the OE clutch to the Fidanza Flywheel.

I didn't know that you could buy them direct from ARP now. Do you have an ARP PN? I would like to buy bulk & stock in my store.

Jerry, I bought them (ARP bolts) as a kit, including a drill bit and a tap to extend the PP purchase length needed for the aluminum FW. Dominic had the part number, and I evidently put it somewhere "safe"... so safe, I can't remember where I put it!

But, I'll give him a call and maybe he will post it and maybe it is still available from that source.

That said, the bolts are ARP grade 8s (or equiv) and approx 1/4 to 3/8 inch longer than the stock PP bolts used in the stock (steel) FW. So, there's that much to go on. Oh! I should mention too that my PP is a stock ZR-1 spec unit from AutoZone. If the LT4 PP is used, the length of the bolts is necessarily shorter, but I don't have that figure (as I didn't install an LT4 PP).

I'll go on a quest, and see if I can find the details...

Quote:

Originally Posted by GOLDCYLON

Are you running with the sprung hub Camaro disc Paul ?

Yes, and (now back at home) the (Summit Racing) part number is:

#381039, a Centerforce sprung hub. (Very nice combination - smooth, no chatter, no slipping with a 508+CHP LT5).

Very happy with the combo; installed for going into the 6th driving season. Maybe a dozen or so 1/4 mile passes is all. But, if and when the clutch is replaced, I'm prolly gonna give Jerry a call and pick up one of his Ram dual-disc setups (and be done with clutches!).

07-13-2016	#1
Johnny5 Join Date: Nov 2014 Location: New Jersey Posts: 361	Fidanza Flywheel Question Just to make sure....I was pondering purchasing a Fidanza Flywheel for my 1991 and the stock clutch is in MINT condition as I have had it out a few months ago, SO can I use my stock clutch with the Fidanza Flywheel? Will it just bolt up with no issues?

07-13-2016	#4
Paul Workman Join Date: Nov 2007 Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri Posts: 6,491	Re: Fidanza Flywheel Question Yep! Sprung hub (Camaro) disc, AND the longer (ARP) bolts. I too love the Fidanza FW mod. __________________ Good carz, good food, good friendz = the best of timez! 90 #1202 "FBI" top end ported & relieved Cam timing by "Pete the Greek" Sans secondaries Chip & dyno tuning by Haibeck Automotive SW headers, X-pipe, MF muffs Former Secretary, ZR-1 Net Registry

07-13-2016	#3
GOLDCYLON Join Date: May 2007 Location: Peoria, AZ Posts: 9,147	Re: Fidanza Flywheel Question You will need longer bolts __________________ GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director 91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V