Rubbing block on breaker points melting

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meman124

Rubbing block on breaker points melting

Post by meman124 »

Hi,
I have a problem on my 1800 cc Spider engine (double IDF40). On longer drives, it melts the rubbing block on the breaker points, complete messing up the gap...

Did anyone experience this? How do i solve it? Had it twice now.

I read somewhere that a wrong coil resistance can cause the points to run hot and can lead to the rubbing block melting (MGA forum). Is this possible. Any experience?

Thanks for helping,
Bart
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azruss
Posts: 3659
Joined: Sun May 30, 2010 12:24 pm
Your car is a: 80 Fiat 2000 FI

Re: Rubbing block on breaker points melting

Post by azruss »

you need to clean and lube the dizzy cam
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divace73
Posts: 1380
Joined: Sun Oct 17, 2010 5:59 am
Your car is a: 1980 Fiat 124 Spider Silver
Location: Sydney, Australia

Re: Rubbing block on breaker points melting

Post by divace73 »

or convert it to electronic
Cheers David
-=1980 silver Fiat 124 Spider=-
If you want to see pics of my car (and other random stuff) >>click here<< OR
see my >>You tube channel<<
meman124

Re: Rubbing block on breaker points melting

Post by meman124 »

Cam had been cleaned and greased less than 200 km ago.
fiatfactory
Posts: 506
Joined: Sun Jun 13, 2010 11:22 pm
Your car is a: 1970 128

Re: Rubbing block on breaker points melting

Post by fiatfactory »

.
Last edited by fiatfactory on Tue Jul 02, 2019 1:15 am, edited 1 time in total.
nothing to see here... move along.
adrians
Posts: 851
Joined: Tue Jan 15, 2008 6:07 am
Your car is a: 1981 Spider Turbo - missing the turbo
Location: Sydney - Australia

Re: Rubbing block on breaker points melting

Post by adrians »

Condenser failure ?
THE FLEET
2014 Abarth "SS"
1981 Spider 2000 (Legend Industries Turbo - minus the Turbo)
1978 X1/9 1.3 Dual IDF 40's, Coupe Cam, Allison Header/Exhaust
1971 128 Sedan 1100cc, Coupe Cam/Headers
Motokhana Special 127 rear engined Rail 903cc
fiatfactory
Posts: 506
Joined: Sun Jun 13, 2010 11:22 pm
Your car is a: 1970 128

Re: Rubbing block on breaker points melting

Post by fiatfactory »

.
Last edited by fiatfactory on Tue Jul 02, 2019 1:14 am, edited 1 time in total.
nothing to see here... move along.
meman124

Re: Rubbing block on breaker points melting

Post by meman124 »

Hi,
i have replaced condersor, points, HT leads, sparkplugs and the coil itself.
so everything.
the points are fine, it's the plastic rubbing block that dies, strangely.
How can i find out if i have the power lead to the coil on the wrong post?
https://www.dropbox.com/s/z5astgiwgrfbf7m/coil.jpg
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bradartigue
Posts: 2183
Joined: Thu Sep 20, 2007 2:35 pm
Your car is a: 1970 Sport Spider
Location: Atlanta, GA

Re: Rubbing block on breaker points melting

Post by bradartigue »

I don't know what kind of coil that is. Power from the ignition switch goes to + or +B. The points are connected to the opposite post.
meman124

Re: Rubbing block on breaker points melting

Post by meman124 »

Ok, some more questions.
What coil do i need for a 1800cc engine?
How do i find out what is the plus side of the coil?
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riverdadd
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Patron 2018
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Your car is a: 1975 Fiat Spider 1977 Alfa Spider

Re: Rubbing block on breaker points melting

Post by riverdadd »

coil should be marked with an + or - near terminals
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bradartigue
Posts: 2183
Joined: Thu Sep 20, 2007 2:35 pm
Your car is a: 1970 Sport Spider
Location: Atlanta, GA

Re: Rubbing block on breaker points melting

Post by bradartigue »

Call a vendor, order a Bosch Blue Coil. It will have +B on the positive side.
fiatfactory
Posts: 506
Joined: Sun Jun 13, 2010 11:22 pm
Your car is a: 1970 128

Re: Rubbing block on breaker points melting

Post by fiatfactory »

.
Last edited by fiatfactory on Tue Jul 02, 2019 1:09 am, edited 1 time in total.
nothing to see here... move along.
meman124

Re: Rubbing block on breaker points melting

Post by meman124 »

any thoughts guys?
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