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there is an interesting point to ponder that goes something like this ;) Most (obviously not ALL, but MOST) modern tyres are as good as the next and the ultimate grip from the vehicle is more dependent on suspension design.... I have only ever really had one horrendous design of tyre over...

Hi Ben. I would also be tempted to get a complete unit from a scrapper (about 150-200 quid should sort it). Get it fitted (the scrapyard may well do it for pound notes in their hand at a silly rate (tell them they can have the old one as PX for scrap value) !. then get it sold in trader after a...

well, Mr Reno finally decided to change me box !. Going in next monday (again..) for a week, they are gonna strip it, inspect it, and let RUK decide on the next step. I have told them I aint bothered if they let Paul Danials cast a spell on it.. so long as it no longer baulks on 4-3...

hee hee... Love it.. Joe.:devilish:

Sorry Matty, I missed your post, so here goes. YES !!.. beleive it or not, I agree with you that things can be improved - but.. in certain circumstances only... thats the key... Guys or gals who use the car 99% of the time on public roads are the norm. If you change the use ratio then yes, a...

nice one m8 !.. I am being a wee bit pedantic here lol.. but just a slight clarification.. 2) As this piston speed increases, the volumetric efficiency will fall off as well. A larger bore engine will also allow for larger and/or more valves, with less shrouding needed. Thus, if the two...

lol all.. (and Thanks Viceroy, I wasnt aware of the nitrox when I was diving) BK, that looks like a nice tb conversion ! 220 BHP is reasonable... vewwwwwwwwy reasonable.. hmmmmmm.. nice. !

Now THAT would be interesting... BK .. let me know how you get on. ! Viceroy m8, hi. basic answer,, I dunno lol !!.. I am not familiar with that mix.. (I did 6 years of scuba too) I never dived deeper than 50 meters. I was under the impression that they used helium as a substitute to avoid...

Hi Mat ! cold air is usually good air :D - I have no problem with what you are saying at all. Its just that some people seem to think that a compression by forward motion occurs leading to a forced induction.. it doesnt (at the speeds we can achieve realistically) Joe.

Cheers Sir. Thanks for the link and input.. Joe.

lol, I was referring to an induction system being compressed by an outside force.. not specifically the funnel ! :devilish: Also, dont forget the bifurcating throggat retaining sprocket. ! It would be an interesting (for me !) thing for you to calculate the pressure increase on a 3" column...

Pete, where are the pics, ? Would be interested to see them Joe.

fingers crossed m8 !!! - I got me toes crossed for ya too! Joe.;)

Black Cat, :), yes, there is a point... ram air does not work on a road car such as a clio..... The point is to show that the pressures that many think will occur simply.. err... dont... and, a simple way of measuring the effect is given for those who want to ascertain the facts. Joe.

there is another little gem called adiabatic effect, where, temperature increases in proportion to pressure (and visa versa), also, density is related to pressure (the cold air principle !) cold - more dese - warmer - less dense. So, if a pressure increase occurs, so does a change in temp...

Hiya Jimbo, The ferrari will benefit at the top end of its rediculous lol speed attainable. The old chargers etc with the bonnet mounted scoop was to maintian a stable airflow pattern, not to achieve any form of ram compression. - on a top fuel dragster the speeds attained will certainly...

sorry about the dual post... :)

Yes, absolutely.. to make any gas flow from one direction to the other we need a differential of pressure. to know the gain to an engine we need to know the amount the pressure differential has increased. without a difference of pressure there is no flow, and, flow stops when the pressure...

Pete, where are the pics, ? Would be interested to see them Joe.

Hi Tom, mostly, apart from the airflow changing.. lets presume that the funnel is held well into clear air... Also, a flow meter would show no movement as the gas is not moving due to a resistence (the baloon skin). The pressure that can be achieved is then directly proportional to the mass of...

Hi James :) So, thats interesting, A baloon only inflates due to a pressure differential, I can live with that...;) If a pressure differential is needed to cause a gas flow - either into the engine cylinders or into the baloon, then what we are talking here is simply the VALUE of that...

Hi Cupsize ! :) ok, so we use a 5mm feed from the funnel via a reducer ??. there ya go.. at what speed does it inflate now ??:) - or even add a 10mm to 5 mm back to 10mm restrictor to act as a venturi... ??.. how we doing now ? lol. Joe

to reduce effort you need to increase pressure. sucking is merely a high pressure in relation to a low pressure.. its the pressure differential that causes gas movement., so YEP, that is how it work in cars as you say Tom.. So, your answer seems to be yes, at about 80-85 mph... So, now add...

This was posted in the ik thread but I think it deserves one of its own. A small question to ponder... What do you propose will happen if we do the following ?? get a simple funnel, connect it to a piece of platic tube, say about 1 meter long ? at the other end of the tube, put a baloon...

Nice one Ben, I do think it will be resolved though.:D Joe.

Hi Guys.. ALL rrs should have access to exhaust gas analysers.. (the pipe they stick in yer exhaust) - it is a VITAL part of RR tuning or reading. I really cannot see that any would operate without this vital tool. re lambda sensors. Lambda sensors in common use are only accurate...

Hi Sangy, you are correct, and yes it is worrying.

Actually, I think you may have something with the turkey theory...:devilish: hmmmmmmmm.

So M8, David likes the ecotec too lol ???.. I would agree with Nick H that the lamda could be the culprit, but it is possibly more simple than that. dump the ecotec, check the hoses, and also check the oil breather as it may be causing problems. Check the oil breather pipes for kinking and...

why not ?? lol.. I have no problem and would certainly buy him a beer or 2 ???. ;) Joe.. http://www.alltrac.net/tuning/afgauge.htmlhttp://www.alltrac.net/tuning/afgauge.html Great link to WHY the autometer competition gauge is innacurate and inconsitent at WOT... and a link to a...