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ME.. ME.. ME.. Serious.. Where did you find them??
I was meaning who is going to invest their hard earned cash and bin of the single throttle body and fit a whole multi throttle body conversion.
I would but cant afford it so am going for the larger single approach. Just interested to know numbers of people who can afford/will go for the multi TB approach on their 172.
soz, we got confused.........
well, if i was goin to do anything to my car.....it would be those straight away.......nothing else.
it would be enough for a large increase.
the larger TB aint too bad an idea, and with fueling and ignition adj to suit....it could go much better, but you gonna work on the inlet manifold to get everything tip top?
it has a SMALLER TB but it is tapered to increase low rpm gas velocity.
this helps with low down torque which is why the MK1 and MK2 are near enough in acceleration eventhough the MK2 is slightly heavier.
its not documented........otherwise Renault would have to admit to a weight increase.
i guess if you had the time/money you could experiment with a MK2 tb on a MK1 172, rip its internals out and replace with MK1 non FBW.
Hi Ben,
Will be getting all the work that you talked about done on the std. manifold to increase flow/volume of air. Have got a 70mm single throttle in mind which will complement the work on the inlet manifold. Then custom pipe from throttle body into air filter - am going to try something different to the BMC. e.g. large green cone with heat shield engine side and if funds permit bonnet scoop taking cold air straight into the filter. Last but not least fueling and ignition to suit.
Like you said its not going to be anywhere near as good as 4 individuals but should give at least 190 bhp with the decat pipe and stainless steel exhaust.
Cost is a big issue here so I will get each bit done over time and then all the kit put on at once with ecu changes.
Ill have all the original parts so if I ever come to sell I can swap them all back if the person buying doesnt want them and then sell on as an upgrade kit.
all depends on what you want done & by whom.
The work will need to be of very high quality due to the nature of the anifold shape. and many areas are very hard to read. There are several techniques you can use, some expensive, some less so, some with benefits larger than the other etc etc.
Find out exactly how they will do it, and then dont pay until its done. Then take a varnier caliper to measure, and check each port to make sure they are identicle.
Manifolds are hard to do well....take cars in choosing.
