tuned ford crossflow with bike carbs?

[suffolk009]

Just about to embark on crossflow rebuild. It'll have all the usual stuff: 244 cam, high compression, balanced, lightened - you know the routine...

I've got a pair of weber 40dcoes waiting to go on to it, but recall reading somewhere that the newer bike carbs produce more power and torque and that the set-up is gaining in popularity.

I know the webers look nice, but wanted to be able to conisder this as an option.

Any help gratefully recieved.

Thanks.

[Steve_D]

Have a word with Chester Sports Cars
They do conversion kits that include mapped ignition which is probably a must with the mods you plan.

Steve

[Sam_68]

Or perhaps talk to Bogg Brothers.

Their father used to be one of the best carburettor men in the business, but they now focus quite a bit of their business on bike carb conversions.

[Yuxi]

I have R1 carbs and a Bogg Brothers (I think) manifold on my 2.0 Pinto engine. Its excelent, very responsive at all speeds and they have stayed in tune for the last 2000 miles. It also sounds fantastic, lots of banging and popping when you lift off the throttle.

[wackojacko]

Another vote for Bogg Brothers, A mate and I had a project Nova saloon with a C20XE that we had set up by bogg brothers on R1 carbs...... that thing flew and revved like a bloody race car !

[Mr2Mike]

Bog brothers seem to be able to set up bike carbs pretty well, but I've been unimpressed with many of the manifolds made to couple them to car engines. Not the actual fabrication quality which appears to be excellent, but the actual design which negates a lot of the airflow advantages by including very sharp angles where the runners meet the head due to the difference in carb and port spacing.

The carbs (or throttle bodies) ideally need to be properly re-spaced to take advantage of the performance benefits.

[Jerkins]

I re-spaced my bike carbs to suit my x-flow - not a trivial task, and I couldn't have done it properly without my lathe (to make spacers, etc.)

Ended up with just a 30 degree bend in all of the tubes, which was necessary to get the carbs somewhere towards their proper working angle.

[suffolk009]

looks interesting - although a mighty job.

Have you got any figures for it?