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Spi to Carb conversion

Posted: Tue Aug 11, 2020 7:49 am
by Brynmor
Now I know this isn’t the forum for more modern stuff, but has anyone on here done the above? And if so is it a difficult job?
Looking to do it to the Mighty Mini as it puts it into more tune able territory plus let’s me race with some other series.

Re: Spi to Carb conversion

Posted: Tue Aug 11, 2020 9:41 am
by hicklingmick

Re: Spi to Carb conversion

Posted: Tue Aug 11, 2020 5:32 pm
by Pedromintor
yes i done it years ago. easy. change tank. put inlet and carb on . fuel pump. dizzy. i think it was much better on a carb. went well .cam suited being on carb. was sweet . Would do it again . thanks

peter

Re: Spi to Carb conversion

Posted: Tue Aug 11, 2020 7:37 pm
by Brynmor
Thanks for replies, we’ll it’s got an alloy race tank plus facet pumps so that should negate some of that?

Did you also have to add choke cable etc I guess?

Re: Spi to Carb conversion

Posted: Wed Aug 12, 2020 7:55 am
by Pedromintor
yes added choke

Re: Spi to Carb conversion

Posted: Wed Aug 12, 2020 8:51 am
by jayare
Your fuel pumps will probably be too high a pressure for a carb so will either need swapping to something more suitable or at the very least will need a regulator to bring the pressure down to about 3-4psi,

JR