I'm looking at getting my 88 FC's 13B rebuilt and carbing it when I get another DD. It's going to be becoming my drift car so I don't have to worry about tearing up my DD. Anyway...I was looking for suggestions on what carb system to go with and what kind of HP/TQ I would be looking at.

I would have searched first, but the search takes about 30 minutes on my computer, so pardon if this question's been asked before.

Thanks in advance to your comments.

- Collin

 

I had a 88 6 port rebuilt with full 2.5" exhaust and a weber dcoe48 side draft, I never got around to finishing the FI to carb swap but sold the whole set up to a friend that finished it. I actually got to go for a ride in it today and i must say is was fast for a n/a. You really notice the weber after 4k and it ran really smooth. Im no expert but if i recal with these mod and little other things it will be roughly 180rwhp(especially if street ported,this engine wasnt). The weber dcoe48 side draft is a nice and fairly simple set-up, i suggest this but get more info on other carbs before choosing. Later on do a lot of searching and good luck with the build.

-Nick

 

E Production road racers use Webber DCOE and IDA carbs all the time. The preffered system seems to be the IDA, due to the shorter manifold (at least partially). They're limited to a 42mm choke, and they can get up to about 200whp on a street port. On a stock port I'd expect it to be limited to below 180whp.

 

I had a fb with a 13b from a gslse with over 200k miles on the block. It had a racing beat header, ghetto fab exhaust. Weber 45dcoe mounted to a racing beat upper intake manifold and stock lower manifold. With a holley bllue fuel pump. I made 142 rwhp and 128 ftlbs of tq. now with a s4 or s5 6 port with lower miles lighter rotors, and higher compression your numbers all should eb higher than mine. once you start porting then the power really goes up. And nothing on the planet is sexier than weber rotary intake roar.

 

http://wwww.racingbeat.com/PDF/intakeguide.pdf

 

My plan is a peripheral-ported, carbureted, 6-port 13b. Has anyone seen this done?

According to RB, the peripheral-ported 4-port put down 300rwhp on the Weber 51 IDA. Should I expect to see anything close to this with a 6-port?

Thanks,
- Collin

Also...what's the difference between IDA and DCOE? What do the acronyms mean?

Thanks,
Collin

 

6-port and 4-port are the factory styles of intake ports (non-turbo and turbo/old NA, respectively.) A peripheral port motor just has two large intake ports cut into the rotor housings as opposed to the factory ports being in the irons between the housings. So a peripheral ported 4-port is an oxymoron.

 

IDA is downdraft, DCOE is sidedraft, but they are very similiar otherwise. I'd suggest that maybe a TII swap with some work will give as good power as a PP, but will have more torque, have a better powerband, be more reliable and maybe cheaper too.

BTW, bumping is forbidden in this section. Your question is no more important than anyone elses, it'll get answered when it gets answered.

 

My apologies. I'm thinking about getting my motor rebuilt and then turboing it and going standalone instead of swapping.

 

EFI is a much better choice, even if you stay non-turbo. Nowadays, a carb is really only good if your car is in a racing class that doesn't allow EFI, or gives carbs a competitive advantage vs. EFI.