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PDSmith Avatar
PDSmith Paul Smith
Aiken, SC, USA   USA
See photo. Have a small fuel leak that appears to be around the choke. Removed fuel line and notice a hole to the left that looks likenit is missing a screw.
I think?

1979 Spitfire.



Edited 1 time(s). Last edit at 2019-03-14 08:38 PM by PDSmith.

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Tonyfixit Avatar
Tonyfixit Tony M
Duncan, BC, Canada   CAN
What car, what carb?

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PDSmith Avatar
PDSmith Paul Smith
Aiken, SC, USA   USA
1979 Spitfire

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DerbyRam54 Neville Wardle
Branford, CT, USA   USA
Missing a screw.

This video by John Twist shows you the screws and explains how the assembly can be serviced:

There are two long screws and one short screw. Spitbits lists them both for just under $1 each, https://www.spitbits.com/store/Heat-Mass-Screws-C568.aspx

They do sometimes work loose and as you have seen cause a fuel leak. Worth occasionally checking them for tightness.

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PDSmith Avatar
PDSmith Paul Smith
Aiken, SC, USA   USA
Thanks. Do you know n if the one that I have missing is a long or short screw?

I really can't tell from the illustration on SpitBits.

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DerbyRam54 Neville Wardle
Branford, CT, USA   USA
The picture shows the three screws that hold the autostarter to the body of the carb. The screw adjacent to the fuel pipe is a short one, the other two are long.


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Wolfcreek Steve Steve P
Central, WI, USA   USA
1937 Dodge Magnum "The Dodge"
1947 Unknown Unknown "My Autocar"
1980 Triumph Spitfire 1500 "Vicki's Little Red Car"
If it is the screw I think it is, I lost one and they are impossible to get locally. (4.5mm by something) Who in this world uses a 4.5 mm screw in anything? I redrilled and tapped 10-32!

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Outfect Avatar
Outfect Dave B
La Sal, UT, USA   USA
1940 Ford N Series Tractors "Henry"
1951 Other Not Listed "SnowMan"
1979 Triumph Spitfire 1500 "White October"
1980 Triumph Spitfire 1500 "Tangerine Dream"
Paul,

That is the small screw. You can get it from Moss or Victoria British. It is copper clad
steel. It's a $1 item that will cost you $8 to ship.

I replace them with counter sunk 8-32 brass screws from the local True Value.

DaveInUtah

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PDSmith Avatar
PDSmith Paul Smith
Aiken, SC, USA   USA
In reply to # 1602190 by Outfect Paul,

That is the small screw. You can get it from Moss or Victoria British. It is copper clad
steel. It's a $1 item that will cost you $8 to ship.

I replace them with counter sunk 8-32 brass screws from the local True Value.

DaveInUtah

Thank You!!

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PDSmith Avatar
PDSmith Paul Smith
Aiken, SC, USA   USA
That was it. Ordered the missing screw. Put it in and not more fuel leak. Engine idle is also at proper level (was low)and seems to overall just run better/smoother.

Thanks!

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