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40's 0r 44 IDF's

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binner Fahrvergnugen

981 posts · joined Jan 2010 ·

#898484
heya, I'm looking at putting in a 1915 with Mofoco 042 heads and most likely a 110 cam, CW crank, standard rockers & vintage speed exhaust.
I am also punching in an air con unit for this moahh... any thought on going with a set of italian weber 40's with a CB update kit and jet doctors or should I bump up to 44's?.

This is going in my DC daily driver that will also do some freeway driving and long drives now and then. May also be pulling a 800kg camp trailer now and then....

thanks in advance.....
71 SQ

matberry Moderator Go hard or go home

8,114 posts · joined Mar 2006 ·

#898488
40's
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE

Craig Torrens 6 times Australian, 7 times State Hillclimb Class Champion

8,040 posts · joined Jan 2003 ·

#898498
I think you mean IDF's not IDA's !!

IMO the update kit is really only worth it if you are wanting more from an existing setup i.e you need your 40's to perform like 44's, or you're wanting your 44's to perform like 48's..........so if you were thinking of buying 40's and then fitting the update kit, just go straight to the 44's.

And yes I have played with the update kits in my webers ! 😎

p.s. Jet Doctors are a must !


matberry Moderator Go hard or go home

8,114 posts · joined Mar 2006 ·

#898500
Might have trouble finding 40 OR 44 IDA's....if your really lucky or rich, you might find some 46's....but somehow I think IDF's will do.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE

binner Fahrvergnugen

981 posts · joined Jan 2010 ·

#898508
hahh sorry typo IDF's ...will fix that now
71 SQ

vassy66T1 Wow ... are U reading this?

2,120 posts · joined Jun 2003 ·

#898543
40's 👍

Klaus Custom Title Time!

1,439 posts · joined Aug 2004 ·

#898636
i run 40's with the update kit on my type 4 and luv them , have 44's on another motor but a bit bigger cam n heads

binner Fahrvergnugen

981 posts · joined Jan 2010 ·

#899055
thanks guys, at the moment I am running 40's with jet docs & update kit on my wee lil 1670 and happy with them so maybe I'll just stick with 40's if there is no real gain......

next is time to sort out the air con ..... 🤪
71 SQ