metro turbo challege carb
Turbo Mini Forums

Hi,

I have two carbs sitting here, I have a regular turbo carb and a turbo challenge carb and manifold...........which one do i use for my road car? Also if i was looking to rebuild the challenge carb is it just a standard turbo carb rebuild kit you would buy?

Hi,
Welcome to TM!
From the one picture I've seen, the challenge carb had all Aeroquip fuel lines. These'll cost you a small fortune to buy, then you'll need the regulator to match, etc.
As far as I know people on here are running a standard turbo carb on engines producing well over 200 bananas, so it's more than up to the job.
Cheers,
Gavin :)

VEMs Authorised Installer / Re-seller. K head kits now available!

WB/EGT gauges. Click here for customers write-up

Visit www.doyouneedabrain.co.uk

My Mini build diary

Bat, do they drill tap the reg/carb to take the fittings or use push on adapters?

I was looking a a pic of JF's metro engine bay, the braided fittings look the part, but as you say cost a small fortune...

Edited by joeybaby83 on 5th Aug, 2007.

"Turbo's make torque, and torque makes fun"

"did you know you can toast potato waffles?"

Hi,
I think they may use a nut and olive compression type fitting.
I don't know if the rest of the carb is standard or not.
The picture I saw was on here, but was a close up of the carb....
Cheers,
Gavin :)

VEMs Authorised Installer / Re-seller. K head kits now available!

WB/EGT gauges. Click here for customers write-up

Visit www.doyouneedabrain.co.uk

My Mini build diary

My one uses standard turbo kit. It uses the large choke/throttle seals, not the small ones. Burlen kit only has 2, you need 3.

Thanks for the welcoming guys, right ok sounds as if il just use the revgular carb. Cheers.

Hi,
didnt realise challenge carb was any different to a normal ???
Wots the differences ???

Extended float chamber spacer, not sure what the braided hose are all about, might be a balancing thing. May be talking out my ass, but I think the needle is longer. Only done a basic rebuild, haven't touched needle/jet. Noticed the little pipes on the front of the carb are blocked.
Will take some pictures tomorrow.

Another question...on a n/a carb, is the throttle cable link on the opposite side???

Edited by Jason G on 5th Aug, 2007.

i think the braided hoses are probably just for race regs/safety

"Turbo's make torque, and torque makes fun"

"did you know you can toast potato waffles?"

think its more for increased reliabilty.

without looking at the blue book i think that under bonnet hoses can be anything, it only has a required spec for inside the car.

could be wrong.

i'm going to do all mine with the proper aeroquip stuff this winter, its going to be pricey. fortunately half of the cars done.

I think your right there iain. rubber is fine for the engine bay

Team Racing

pic of a gen challenge carb...



JF.

Jon, what is the braided hose part for? Is it balancing or something?

Concerning extended floats. These are obviously of no use if the std "pickup" is used. However, the seller of this:

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?Vie...E:X:RTQ:GB:1123

Claims this:

Hi, I have been advised that you use the jet from a HIF 7 as the jet is approx. 6mm longer.This allows the pick up point to be set lower.
Regards, David.

Anyone in the know? If this is true, it's excellent news...

Yep the pickup is lower on mine. Can't get the float cover back on without the float chamber spacer.

Edited by Jason G on 6th May, 2008.

My carb is different to that in many ways.
in my plenumn i only have one port/pipe, next to my fuel feed lin ei have a vent/overflow port which i have blocked off.

179hp on 12psi 1293cc of pure A series
14.0et @101 mph

Standard plenums have only 1 pipe. This one has 2, 1 for actuator, the other for fuel reg'. The plenum pipe for the actuator is restricted for the regulations.