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throttle bodies
- Thread starter alex19
- Start date
on a totally std valver, about 165-170bhp depending on how much detail you put into it, which directly affects cost.
http://memimage.cardomain.net/member_images/10/web/322000-322999/322115_176_full.jpg
Volvo S60 T5
http://www.jenvey.co.ukwww.jenvey.co.uk
Oh and Ben that looks lush mate, much longer till its done?
[Edited by Mike172sport on 27 April 2005 at 10:45pm]
some1 told me you need a 1.6 megane head for them to fit!!1
is this true or just c**k n bull
To get the GOOD bodies with proper runner shape and port alignment, you need the 2ltr megane F7R cylinder head.
You can run DCOE based bodies ont he std willaims/valver head casting, but its never quite as good.
All my throttle bodies undergo extensive flow testing and further development ontop of the std casting procedure. Substantial power is gained from the mods which i keep to myself............std just never quite cuts it anymore. On a std F4R, 215-220bhp on bodies alone
H
harryr34
I am thinking of going for throttle bodies soon on my mk1 172, what is the rough cost i should expect to pay?
Thanks
Harry
Nafoff
ClioSport Club Member
*********someone with not much technical knowledge*********
so what are throttle bodies and what do they do to aid the engine so much?
It replaces the std inlet manifold which is always a compramise of design and manufacturing cost/ease.
ITBs increase the effective efficiency of the flow profile and allow the engine to breath with less resistance. The air has a simpler route to follow experiencing less expansions which kills flow. You also get the benefit of adjustable pulse tuning, which is using the pulses emitted at the valve closing event to naturally surpercharge the next intake event.
basically, they suck, but in a good way.
Nafoff
ClioSport Club Member
kinda get what your on about, have never really got technacally into stuff but would like to learn alot more
ok maybe a stupid question but if you dont ask you dont know
so those horn looking parts at the front of the engine bay are the throttle bodies and are actually funnels sucking in air
Quote: Originally posted by mr sheep on 28 April 2005
what cost and bhp would u get on a 172? 200+ ?
Come and talk to me, Im the original and still the best ;-) and fitting can be organised too - Im the only guy on here to have ever got them on a 172 and got it running, I did the original development work which now everyone else is trying to sell.... but as I have the knowledge and the history.... well.... who else would you want to talk to?
Nafoff
ClioSport Club Member
cheers benR, maybe one day on my valver
McBunny - its on an F4 engine... but not on/in a 172... theres yer clue
Alan, Yoz and Fred do cams, dunno owt about em but the results look sh*t hot. I can only comment on the ones I have... not sure if BenRs AWT ones are the same or not, but my car easily outpaces new WRX boggo Imprezas too at any speed... and my pals 250+bhp Scooby classic is about a match for it, mine pulls immediately and hold it off 2 car lengths to 120+ on the private runway... thats not even timed in either. No idea what sort of power its making, dont care, all I know is that the base model turbo impreza are not even a challenge... nor are CTRs... upto any speed it seems... lol
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