[vinjoe65]

I am looking to put a Spec Clutch in my 65 K-code coupe. This vehicle is used primarily for drag racing but sees local car shows. Does anyone have any experience with these clutches and which stage should I go with? Any help is much appreciated.

[05horse]

id say stage 2 ( overkill for my car ) but ive done a lot of research it will hold all the power youll ever throw at it prolly


more info on the car?

V8 or V6?

FI or NA?

[vinjoe65]

Originally Posted by 05horse

id say stage 2 ( overkill for my car ) but ive done a lot of research it will hold all the power youll ever throw at it prolly


more info on the car?

V8 or V6?

FI or NA?

289cid .030 over
solid cam
roller rockers
head work
headers/holley 650dbl

I get conflicting advice on the Kevlar disc that it's not good for drag racing.

[RLG34750]

Originally Posted by vinjoe65

289cid .030 over
solid cam
roller rockers
head work
headers/holley 650dbl

I get conflicting advice on the Kevlar disc that it's not good for drag racing.

you could get away a spec 1

but since the you say the car is primarily a racer

I'd go with the spec 2

i personally have had every spec clutch with the exception of the spec 3+

have been very satisfied with all of them....

[vinjoe65]

Originally Posted by RLG34750

you could get away a spec 1

but since the you say the car is primarily a racer

I'd go with the spec 2

i personally have had every spec clutch with the exception of the spec 3+

have been very satisfied with all of them....

Thanks, I ordered a stage 3 this morning!!!

[RLG34750]

Originally Posted by vinjoe65

Thanks, I ordered a stage 3 this morning!!!

That's is way to much clutch for your application....

Spec 1
Torque Rating: 410 ft./lbs.

Spec 2
Torque Rating: 520 ft./lbs.

Spec 2+
Torque Rating: 620 ft./lbs.

Spec 3
Torque Rating: 680 ft./lbs.

Spec 3+
Torque Rating: 800 ft./lbs.

[1Again]

I am running a stage 2 clutch in exactly the same situation that You are talking about. A problem You WILL have is exactly what happened to Me on Sunday at the track. I am running 9in slick, with 4.56 rear gear, and on the 6th launch snapped the input shaft of the trans. This I found out is a very common problem. Upgrading to the l 3/8 input shaft will help, but expect the 1 1/8 shaft to fail.