flywheel weight

flyboytroy99 · 03-23-2009

Just out of curiosity, what does a stock 1.9L flywheel weigh after it has been machined flat for a S-10 clutch?

opelwasp · 03-23-2009

Originally Posted by flyboytroy99

Just out of curiosity, what does a stock 1.9L flywheel weigh after it has been machined flat for a S-10 clutch?

Less

Viny Charb · 03-23-2009

Too funny

RallyBob · 03-24-2009

Originally Posted by flyboytroy99

Just out of curiosity, what does a stock 1.9L flywheel weigh after it has been machined flat for a S-10 clutch?

I've never *just* had one machined flat, I've always taken some material off the back at the same time...they end up being 14.5 lbs.

But if I had to guess, I'd say about 18 lbs or so (stock is about 22.75-23.25 lbs).

flyboytroy99 · 03-24-2009

Thanks Bob, that answered my question perfectly. I wondered if machining it flat would get the flywheel to the weight I want. But with the #'s you quoted, I will have to remove a little more material.

Motor Mouth · 03-24-2009

Originally Posted by flyboytroy99

I wondered if machining it flat would get the flywheel to the weight I want.

I wouldn't suggest taking too much off, Bob's advice is invaluable.

When i built my beastie, i think we took a bit too much off the flywheel as she doesn't like ticking over......that said when you do hit the loud pedal she does like to rev like a good-un

flyboytroy99 · 03-24-2009

Thanks motor mouth. taking a little more off to equal Bob's recommended weight.

MonkeyNutZ · 03-24-2009

Correct me if I'm wrong, but isn't 10lbs of rotating weight attached to an engine the equivalent of 100lbs of weight?

N61WP · 03-24-2009

Also remember that the S-10 clutch is larger/heavier the the stock Opel clutch, so you are not saving as much total weight as you might think. Unfortunately, I didn't remember to weigh mine before I installed it.

JM2C

Jc

wrench459 · 03-24-2009

I also did not just take the step off to mount the S-10 clutch.
I did weigh the two(Pressure Plate & Disc) of the S-10 vs Opel and the Delta was a even match. With a slight nod to the S-10 assembly being a few grams lighter.

I had a used opel set hanging around so on the scales they went.
Disc 907 grams
Pressure plate 4794 grams

03-23-2009	#1 (permalink)
flyboytroy99 Opeler Join Date: Apr 2006 Location: Ohio Posts: 45	Unanswered: flywheel weight Just out of curiosity, what does a stock 1.9L flywheel weigh after it has been machined flat for a S-10 clutch? __________________ 70GT2NV

03-23-2009	#3 (permalink)
Viny Charb Opeler Join Date: Oct 2007 Location: Ontario Canada Posts: 50	Too funny
	1 out of 1 members found this post helpful.

03-24-2009	#5 (permalink)
flyboytroy99 Opeler Join Date: Apr 2006 Location: Ohio Posts: 45	Thanks Bob, that answered my question perfectly. I wondered if machining it flat would get the flywheel to the weight I want. But with the #'s you quoted, I will have to remove a little more material. __________________ 70GT2NV Last edited by BQS4; 03-24-2009 at 04:09 PM.

03-24-2009	#7 (permalink)
flyboytroy99 Opeler Join Date: Apr 2006 Location: Ohio Posts: 45	Thanks motor mouth. taking a little more off to equal Bob's recommended weight. __________________ 70GT2NV

03-24-2009	#9 (permalink)
N61WP Member Join Date: Mar 2002 Location: New Orleans, La Posts: 564 Real Name: James	Also remember that the S-10 clutch is larger/heavier the the stock Opel clutch, so you are not saving as much total weight as you might think. Unfortunately, I didn't remember to weigh mine before I installed it. JM2C Jc __________________ "If you have complete control of the car, you're not going fast enough". PARNELLI JONES 1966

03-24-2009	#8 (permalink)
MonkeyNutZ Member Join Date: Feb 2008 Location: Ohio Posts: 104 Provided Answers: 2	Correct me if I'm wrong, but isn't 10lbs of rotating weight attached to an engine the equivalent of 100lbs of weight?

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