4k With Twin Weber Side Drafts

[johnnymeecha]

hey guys 1st post here of many

so i brought an old 4k and have built it up have put a 121 race cam in and 60 thou oversized piston and have polished and ported the head

I'm just taking my webers apart and acid dipping and putin new seals in them.also have an after market fuel pump and a regulator

what size shud the jets be? and how much gas shud i be pumping in to those big suckers?

cheers

jono

[corollaart]

Well 4k stock with twin 40s 4.5 aux venturis,28 chokes,105 mains,f11 e tubes,160 air correctors,50f9 idle,35 pump,28 chokes.

 

Afairly worked 4k twin 40s 4.5 aux venturis,33 chokes ,120 mains,f16 e tubes,165 air correctors,45f9,idle,35 pump.

 

So some where in between ,also need correct fuel pressure etc,this base setting to get the best out of them need to

 

get it on a dyno :P

 

rob

[johnnymeecha]

awesum mate thanks :P