blasthole

Anyone use a weber 32/36 dgv on their 12a? It is time to rebuild the stock carb on the RX-7, thought I might upgrade to a better carb.

MikeLMR

I don't think that carbs much good , its what came as standard on my 1977 Mk2 Escort and that was a 1300 4cylinder ! I dumped it in favour of two 40 DCOE webbers

my freind uses a similar carb on his 1300 MK3 escort and he's just about maxed it out at 115+hp at the flywheel

Wankelguy

The 32/36 Webers are too small for a 12A, used singly.
There are some setups that use two of the small downdraft Webers, they work pretty well, lotsa midrange, but then you have to hassle with synchronization.

blasthole

Bummer!
What kind of intake manifold would you use to mount two 32/36?

680RWHP12A

those carbs aren't very performance related!! the DCOE sidedraft type work great and you only need 1!!! plus with the long manifold you actually gain low end torque!

have you ever tried to sync dual carbs??? believe my it sucks!
the linkage is a real headache too

is your motor ported?


do you have exhaust?

MikeLMR

balancing twin carbs isn't too bad as long as you have the proper tools to measure the air flow through each venturi and the linkage is precise

those carbs are also a staged 2 choke design, it'd be a pain in the *** to set those up on a rotary

blasthole

No, not ported. No other performance mods.

The card came off an old Volvo I had sitting around, I had been told that it was a performance carb.

But then, that is why I check here.

Thanks, everyone!

MikeLMR

double post

MikeLMR

that carb is probably a performance upgrade compaired to what used to be on the volvo !

Wankelguy

They work well on older mini-trucks.

680RWHP12A

since its not ported , go with a 45DCOE weber... works great , and you get big power increase over stock!

Hyper4mance2k

iTrader: (40)

side drafts are expensive thats why people allways offerother options is there any carb set-up for under $500??

680RWHP12A

i guess i would rather save my money and do it right the first time,,,,, life is too short , spend the money and do it right the first time( i learned the hard way!)