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SNAP! http://media.putfile.com/Almost7032

What is gone? Any engineering company, GOOD specialist garage can do it. If you get stuck or want something stronger, get a timesert.

I did it with the original pipe and things would of been perfectly fine keeping the aircon if the guy plumped for a custom rad. If you dont run a custom rad then you loose alot of space, gain ALOT of induction heat (i was measuring about 80 deg at some points), but you also loose alot in...

Other way round. Larger wheels, or larger rolling radius on wheels is like making the final gearing taller, which will result in less torque at the wheels.....and less power.

A truely efficient manifold is built to enhance the engine it is being bolted to. It will only truely work for an engine to which it is designed. Factors such as displacement, peak rpm, Peak torqure RPM, cam profiles, compression ratio, cylinder head specification and the engines average...

you have to drop the suframe

If i were to make one, would probably end up around £700 for the manifold alone.

cost to us, or cost to customers?

erm........... That is near impossible to answer. Cylinder head specialists only really specialise in a few heads, or a marque. It takes lots of time to develop and continue developing a head, its not a matter of someone just being a good flow specialist, it takes time, testing and more...

ooops, totally forgot.

Why cant you better the 182 manifold, its better than the 172, but its most definately nowhere near 'great'. And magnaflow!? are you in the states?

i learned ben back in asia, its quite common for most oversea nationals to learn ben........infact, i dont know where i would be today without knowing ben, ben is the best.......... ladies love ben aswell, so knowing ben greatly helps in that department.

i dont quote prices, but i dont normally get caught up in nonsense about figures. Just correcting that 220bhp is impossible on stock engine. so wind your neck in

i dont like polishing ex and chambers due to the carbon thickness variations it leads to. The correct finish will support a uniform and self cleaning carbon layber which enhances combustion quality, thats just what i do and like.

especially not on a 172.

A good ITB setup on a stock 172/182 will nick the 210-215bhp margin with everything else catered for.

A million people use a million terms for what is essentially a modified cylinder head, so feel free to call it anything you want as a head specialist will know what your referring to.....within reason, ask him for beans on toast and you'll get just that. Modification of cylinder heads is a...

nah......how about the GMC turbo v6 thing, forgot the name.

next challenge! the ring in something like, erm, american?

back on topic........dont bother.

which would equall less power

bada bing, bada boom.

i'll go dig them up

240bhp on std engine bar headwork and bodies, and on the more restrictive 4-1 manifold?.....hmmmm You can gain a substantial amount of torque by choosing the correct camshaft. Like i said, moving to larger valves wont be beneficial, especially for cost and development time (the chamber...

yea, its tres twitchy :(

1'26.103

could be, depends what dyno you ran on, i only know or quote losses for the dyno i use.

nice one!

yay!!! gonna have a shower then i'll get on it.

for a sub 240bhp engine, no point imo. Like i said, you have to rework the chamber substantially, its more than just getting them made and fitting them, the head will flow much worse if you just install larger valves. There is a fine balance between valve area, flow and shrouding.