califkid_66 wrote:
Do you mean start with what i have or
Get 32 venturies with jets to match
Choke 38 + auxiliary venturi
Idle jet 45
Main jet 150
Air corrector 170
But according to what i read
4x choke = main jet
Main jet + 50 = air corrector
according to this if i would put 30
chokes with 120 main the rest would be ok
Idle goes by cylinder size and air corrector is 50
More than main so 170
I was thinking more like 32 chokes and 128 mains
I suggest matching similar applications with the same venturi. For example, a Lotus Seven 1500 with A2 cam and 40 DCOE uses 33 venturi, f16 emulsion tube, 115 main, 160 air corrector, 45 idle jet, 35 pump jet, light pump spring with the short rod, 8.5 float level, and 200 needle.
There is a chart for determining venturi size based on a single cylinders cc and rpm range. In this case, 1565/4 for about 400cc and max power at 6000, is about 33v. I think 33v, 160ac and 115m would work well or at least get you in the park.
I suggest getting a book for tuning webers or dellortos like Brooklands, ISBN 10: 1855207591
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Miata UBJ: ES-2074R('70s maz pickup)
Ford IFS
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360LA 442E: 134.5x46x15
Lotus7:115x39x7.25
Tiger Avon:114x40x13.3-12.6
Champion/Book:114x42x11
Gibbs/Haynes:122x42x14
VoDou:113x44x14
McSorley 442:122x46x14
Collins 241:127x46x12