Lightened Flywheel

Keep it on topic, it will make it easier to find what you need.
vandor
Posts: 3996
Joined: Sat May 23, 2009 1:23 pm
Your car is a: 1971 124 Spider
Location: Texas, USA

Re: Lightened Flywheel

Post by vandor »

I have a lighter flywheel and pullies on my Spider, and I did not notice any of the supposed ill effects. Car drives like any other, but revs quicker.
Csaba
'71 124 Spider, much modified
'17 124 Abarth, silver
http://italiancarclub.com/csaba/
Co-owner of the best dang Fiat parts place in town
BEEK
Posts: 1833
Joined: Wed Mar 24, 2010 10:45 pm
Your car is a: 1975 Spider
Location: clermont fl

Re: Lightened Flywheel

Post by BEEK »

+1 vandor, i agree, i never have had ill effects from lightweight items. quality is the key.
Automotive Service Technology Instructor (34 year Fiat mechanic)
75 spider
, 6 Lancia Scorpions, 2018 Abarth Spider, 500X wifes, 500L 3 82 Zagatos. 82 spider 34k original miles, 83 pininfarina, 8 fiat spider parts cars
son has 78 spider
User avatar
RRoller123
Patron 2020
Patron 2020
Posts: 8179
Joined: Sun Nov 13, 2011 2:04 pm
Your car is a: 1980 FI SPIDER 2000
Location: SAGAMORE BEACH, MA USA

Re: Lightened Flywheel

Post by RRoller123 »

All pulleys would help, or just a subset? I am doing my second engine now, and have purchased Mark's FW, but haven't decided on the pulleys. Is it worth the cost, in your opinions?
'80 FI Spider 2000
'74 and '79 X1/9 (past)
'75 BMW R75/6
2011 Chevy Malibu (daily driver)
2010 Chevy Silverado 2500HD Ext Cab 4WD/STD BED
2002 Edgewater 175CC 80HP 4-Stroke Yamaha
2003 Jaguar XK8
2003 Jaguar XKR
2021 Jayco 22RB
2019 Bianchi Torino Bicycle
fiatfactory
Posts: 506
Joined: Sun Jun 13, 2010 11:22 pm
Your car is a: 1970 128

Re: Lightened Flywheel

Post by fiatfactory »

.
Last edited by fiatfactory on Tue Jul 02, 2019 9:46 am, edited 1 time in total.
nothing to see here... move along.
BEEK
Posts: 1833
Joined: Wed Mar 24, 2010 10:45 pm
Your car is a: 1975 Spider
Location: clermont fl

Re: Lightened Flywheel

Post by BEEK »

your steel lightened one is 13.6 lbs, i will not give dimentions on this flywheel as it is someone elses design and their property their engineering and their product, my steel lightened one is 11.8 again i have no safety disclaimer nor has any engineer approved my methods or design, it has worked for me very well over many miles. also i will NOT reproduce one for a customer for liability issues
Automotive Service Technology Instructor (34 year Fiat mechanic)
75 spider
, 6 Lancia Scorpions, 2018 Abarth Spider, 500X wifes, 500L 3 82 Zagatos. 82 spider 34k original miles, 83 pininfarina, 8 fiat spider parts cars
son has 78 spider
BEEK
Posts: 1833
Joined: Wed Mar 24, 2010 10:45 pm
Your car is a: 1975 Spider
Location: clermont fl

Re: Lightened Flywheel

Post by BEEK »

do you have a photo of that crankshaft. i would like to see where the lightening was done. if it is not proprietary, thanks
Automotive Service Technology Instructor (34 year Fiat mechanic)
75 spider
, 6 Lancia Scorpions, 2018 Abarth Spider, 500X wifes, 500L 3 82 Zagatos. 82 spider 34k original miles, 83 pininfarina, 8 fiat spider parts cars
son has 78 spider
fiatfactory
Posts: 506
Joined: Sun Jun 13, 2010 11:22 pm
Your car is a: 1970 128

Re: Lightened Flywheel

Post by fiatfactory »

.
Last edited by fiatfactory on Tue Jul 02, 2019 9:46 am, edited 1 time in total.
nothing to see here... move along.
Holshot
Posts: 268
Joined: Fri Apr 24, 2009 2:53 pm
Your car is a: 1982 TURBO Spider 1979 Spider
Location: Baltimore, MD

Re: Lightened Flywheel

Post by Holshot »

Great write up Steve! Thanks for sharing...
Giuseppe

1979 Fiat Spider
1982 Fiat Spider TURBO
1984 Pinninfarina Spider (gone but not forgotten)
131
Posts: 672
Joined: Sun Nov 14, 2010 1:13 am
Your car is a: 1982 131 Superbrava warmed 2.0 litre.
Location: Tasmania, Australia

Re: Lightened Flywheel

Post by 131 »

BEEK wrote:I will not give dimensions on this flywheel as it is someone elses design and their property, their engineering and their product
Respect!
Mick.

'82 2litre 131, rally cams, IDFs & headers.
fiat218
Posts: 5745
Joined: Fri May 16, 2008 5:06 pm
Your car is a: 1969 124 AS spider

Re: Lightened Flywheel

Post by fiat218 »

I am excited to see what I am having build, not only that but all pulleys are aluminum or lighten, fly wheel included , can't wait to put the metal down to the floor :lol: :D
Jim
East Grand Forks MN
1970 Fiat Spider BS1 ( FOR SALE
1969 124 AS Spider
2017 Abrath
2018 Alfa Romeo 4c Spider
paintdudeluke

Re: Lightened Flywheel

Post by paintdudeluke »

If you grind down all the cam lobes its really light and snappy :D
So Cal Mark

Re: Lightened Flywheel

Post by So Cal Mark »

use the wrong oil and the cam lobes will grind themselves down for you
User avatar
RRoller123
Patron 2020
Patron 2020
Posts: 8179
Joined: Sun Nov 13, 2011 2:04 pm
Your car is a: 1980 FI SPIDER 2000
Location: SAGAMORE BEACH, MA USA

Re: Lightened Flywheel

Post by RRoller123 »

(?) Mark, can you expand upon that oil issue?
'80 FI Spider 2000
'74 and '79 X1/9 (past)
'75 BMW R75/6
2011 Chevy Malibu (daily driver)
2010 Chevy Silverado 2500HD Ext Cab 4WD/STD BED
2002 Edgewater 175CC 80HP 4-Stroke Yamaha
2003 Jaguar XK8
2003 Jaguar XKR
2021 Jayco 22RB
2019 Bianchi Torino Bicycle
fiat218
Posts: 5745
Joined: Fri May 16, 2008 5:06 pm
Your car is a: 1969 124 AS spider

Re: Lightened Flywheel

Post by fiat218 »

I think he is referring to be using oil with zinc
Jim
East Grand Forks MN
1970 Fiat Spider BS1 ( FOR SALE
1969 124 AS Spider
2017 Abrath
2018 Alfa Romeo 4c Spider
User avatar
RRoller123
Patron 2020
Patron 2020
Posts: 8179
Joined: Sun Nov 13, 2011 2:04 pm
Your car is a: 1980 FI SPIDER 2000
Location: SAGAMORE BEACH, MA USA

Re: Lightened Flywheel

Post by RRoller123 »

Oh yes, of course. That is right.I got confused thinking about the gearbox oil.
'80 FI Spider 2000
'74 and '79 X1/9 (past)
'75 BMW R75/6
2011 Chevy Malibu (daily driver)
2010 Chevy Silverado 2500HD Ext Cab 4WD/STD BED
2002 Edgewater 175CC 80HP 4-Stroke Yamaha
2003 Jaguar XK8
2003 Jaguar XKR
2021 Jayco 22RB
2019 Bianchi Torino Bicycle
Post Reply