Main Jet Size

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ward00
Patron 2018
Patron 2018
Posts: 110
Joined: Tue Jan 23, 2018 5:30 pm
Your car is a: 1975 Spider

Main Jet Size

Postby ward00 » Sat Apr 21, 2018 8:59 pm

I decided to start changing jets on my IDFs. Everyone on this site refers to the main jet sizes a 130, 140 ... etc. How come my mean jet has a number on it that is stamped 1.5? Is this the equivalent of a 150? BTW, the car runs ok with it.
75 Spider
75 Sport Coupe restoration

ward00
Patron 2018
Patron 2018
Posts: 110
Joined: Tue Jan 23, 2018 5:30 pm
Your car is a: 1975 Spider

Re: Main Jet Size

Postby ward00 » Sun Apr 22, 2018 2:16 pm

I have a set of non mounted non-weber 44 IDFs that that I got with my car and that are not mounted. When I looked at their jets, the jets are marked according to the conventions used on this site - 150 etc.

Ont he other hand, all my jets on my 40 IDFs that are on the car have non-standard markings i.e. 1.5 instead of 150. Even my emulsion tubes do not have a marking. Although my 40 IDFs are real webers, I'm making the assumption the jets were purchased from china ?
75 Spider
75 Sport Coupe restoration


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