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A heavier flywheel dampens out harshness from cranktrain imbalance and combustion frequency....therefore making the car feel smoother....thats why they arent "lightweight" on standard production cars. I was only implying it was a better option for our cars, i wouldnt be saying the same on a...

The ECU is sirius 34, same as 197. I have it on good authority a whole ecu dump from meg to clio ecu is possible. This would provide correct coding for above atomspheric manifold pressure.

We fit lightweight billet flywheels to all our tarmac rally / sprint/hillclimb engines...we report no adverse affects. Benefits include less cranktrain whip on full throttle shifting, increased engine acceleration... Typically, the only thing noticeable is a more eratic idle, but we are...

Helix will probably make one for you.

Not as quick as a SC Ariel Atom then :p

If you match a pair of manifolds (correctly), they are matched. If they aren't matched then they aren't matched! There's no Middle ground....it's either right or it's not. The only variation will come from bolt hole variation, but simple indexing makes alignment easy.

Tbh I havnt finnished having the first batch machined, so would be 2wks really. Hence not advertising them yet

I'd you end up cancelingvthe order I can supply them for £450.

I shipped a gearbox to Finland for £100 a couple of months back!! I also get regular packages from Belgium weighing in excess of 15kg...£15 insured Shop about!!!

I've got a couple kicking about £50 delivered.

As I said in the post ^^^^ a large portion of the gain is down to the profile change and how (or even if) this is changed. It's not just about port matching. To be honest the casting consistency seems good, there's not a massive variation between parts.

I'll post pics up to show how they should look.

The match between the manifold and the plenum could hardly be described as similar. Either they are matched or they aren't and as STD they are quite a bit off! A large portion if the gain from modifying these inlets comes from improving the transition of port shape as it turns into the...

How much are they from Ktec?

what have you ordered, bells and rotors??

63mm or 2.5"

Not much to look at tbh. As said, use rtv.

I'd use a SMALL ammount of RTV sealer on it mate.

more like down to variations in manufacturers software and tie down technique. A cooling fan in front of the car offers no variation to intake flow.

Yeah been searching eBay but no joy