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run some form of bellmouth or profiled entry to the runners on all the prototypes aswell, you'll loose out big time otherwise.

If you've got the time, you can build up material with weld and reshape it.

I dont have reception down here in the sticks anyway lol. Boosted apps require diff setups, and frankly, a lot (i'd say 95%) of the fabricated manifolds for the states for popular boosted apps, are nowhere near optimal in design and would work terribly as a NASP app. However, boosted cars...

I'm not familiar with the 1.2's aux belt setup so I cannot help with specifics, sorry. Can you not locate the problem with the bonnet open when its making the noise?

Waiting on a new batch of machined items, at this current time sadly there is nothing I can do. Frustrating for all and I have stopped sales of manifolds until our stock is back. Currently there are 2 customers waiting. Apologies to both.

Belt could be under tensioned.

Those all look like boosted applications.

Maybe he doesnt realise that carbide tooling is infinately tougher and harder than alluminium. Also the CNC machine has this great inbuilt feature of being able to swap cutting tools.........I'm not sure which genius thought of the idea, but I hope he patented it.

If that were the case i'd place it in the middle from the bottom facing up with a 45 deg angle off the horizontal. You'd also have to place the TB off from the plenum slightly so you could blend it in over a distance.

In this instance, the plenum dunlop mocked up, the taper will proove not beneficial, hence my comment, also I would consider the volume too small. Taper can prove beneficial, but I think many are missing the point and best way to use a plenum. IF your plenum is small, if it is straight and...

No. Dont worry about taper, it really does nothing.

It would see definate gains yes, the extent would really depend on how well you take care of the airflow. There are small details which make all the difference. If you need some help feel free to call or email.....i prefer the phone though otherwise essays ensue.

Drives very strange.......just as fast at 3000rpm as it is at 5000rpm. Thankfully the 1.6's ports are a lot more performance friendly than the 730's, combined with the chamber shape. And its running UNDER 260 deg of cam duration!

Compensation for runner length with plenum volume to an extent......tiny plenums (where plenum volume is equal too or less than engine capacity), I've only seen work, in person, well with small capacity high rpm engines. Vag engine, personally I wouldnt use as a model for anything ;)

Wear on a port?........... I'm no geologist so I'm not aware of how many thousands of years it would take for airflow to erode/wear aluminium.

Main problem is space on the aircon equipped cars, you have the alt in a very unfavourable position. If you junk that then you'd still want to install a shorted rad to provide clearance for moving the plenum as far forward as possible. We worked hard to come up with a design that would...

Correct, my manifolds are machined by CNC and thus are the most repeatable and accurate, its simply the nature of CNC. AFAIK we are the only ones to use cnc on the manifolds and it is a royal pain making up a program at allows for casting core shift and taper into the different types of...

Simply due to the time/cost ratio. Doing a large batch of manifolds interupts the regular workload and I'm trying to push out a few important jobs. The supply, return, payment of the GB setup just isnt favourable for the profit margins it generates. I would of said I would do it if every...

nothing

yes, almost anything is better than stock.....really.

possible TDC sensor?

Sorry guys, just to let you know I wont be offering to supply the group buy.

20nm then 40 deg for stock parts.

N2O is fun, safe and great power adder for little outlay. Talk to trev at noswizard linked above, he'll sort you out and answer all your questions.

Its a perefctly fine ethic for the scenario. You might be able to generate 30mb positive at 160mph with a perfectly setup induction and filtration setup. Now considering the cars do not reach those speeds, the time they spend at peak mph and the cost/reward ratio of spending time to...

I am sure it is not Icarus' point to pick up on terminology, but rather the original broad and sweeping statement that 'its a good way to loose power, which as explained did not loose anything but did quite the opposite. Then the tangental arguement arrived due to the arguementative nature...

thats not rust on the cams, its a band of yellow pant used to indicate that they are indeed 2ltr cams.

snap lol

Yes, so long as we are looking at that part of the system as a single entity. Less restriction = less required 'boost' for the same amount of mass movement. Which means higher adiabatic efficiencyand a net result on higher density for a lower given boost. BUT bigger also means slower...

Ok.....not boobs. Well, i propose a breast size/body mass ratio max otherwise you just end up with a mooseknuckle.