chris, leave them alone for tright now. we do have the conversion kits to
change the waxstat to the US style jet. get the car running with some time
on the engine, then see what the carbs and engine combination tell you to
do. ted
Chris Pappathopoulos wrote:
> I am hoping I can get the twin HS4 carbs I bought last year on my car
> this summer. My 74 Spit has the following modifications to the engine. A
> "TSI275- cam with .425" lift, 275 degrees duration, and a 3000-6500
> rpm power range" cam from Ted Schumacher, 9:1 pistons with .100 milled
> off a stock head, the 74 head which has bigger valves then later 1500
> heads, 3angle valve job, double valve springs, and tubular pushrods. I
> also plan to give it a new exhaust from the head back this summer.
>
> My SU's have the foollowing markings. There is a metal tab on teach one
> (a piece of metal that can be removed by removing a screw) that says
> FZX1005R and FZX1005F. This leads me to believe they are from a 75
> Dolomite with a 1854cc engine. Then on top of the place where the fuel
> line attaches to the bowl there is a flat spot that has "AUD" stamped
> in, and then 9208 scratched in the front carb and 9268 scratched in the
> rear carb. I'm not 100% sure on those numbers as they hard to read.
>
> I am wondering what I should do for jetting to get maximum performance
> when I rebuild them. Also if they are waxstat or non waxstat jets
> currently. If any body has a good place to buy the rebuild and jet parts
> from please let me know. This is my first time dealing with carbs so if
> I have said something stupid please forgive me.
>
> Chris Pappathopoulos
> 74 Spitfire 1500
> 76 TR7
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