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172/182 inlets
- Thread starter broster@JAM-Sport
- Start date
so Roamers car actually went up 11bhp at peak, but with filter, cat back, remap and cams timed... not just a viper and remap, which sounds more like it.
Stan - mine was mapped on the same RR yup, but it had other mods and wasn't there for before and after RR's as it had already made 196bhp (iirc) with cams etc... so no need for anyone to go back with the car for the final run
Fair play, I realise headwork is your business etc, but I'm not convinced on these figures... at all. I just fail to see how far out the stock car can as a blueprinted Cup race car with breathing mods and chip only would end up about 400bhp lol... doesn't really make sense, you'd think the inlet was part of the group N spec if it's that bad as stock?
Stan - mine was mapped on the same RR yup, but it had other mods and wasn't there for before and after RR's as it had already made 196bhp (iirc) with cams etc... so no need for anyone to go back with the car for the final run
Fair play, I realise headwork is your business etc, but I'm not convinced on these figures... at all. I just fail to see how far out the stock car can as a blueprinted Cup race car with breathing mods and chip only would end up about 400bhp lol... doesn't really make sense, you'd think the inlet was part of the group N spec if it's that bad as stock?yeah, there's ignition timing on the software too, but is that talking about ignition timing or cam timing being altered, as the 172 pulleys are fully adjustable
Its likely isnt in the grpN spec as regs wouldnt permit it perhaps....in which case builders would look for the best match from a pile of different parts.
As far as the figures im quoting go, the 182 im on about made 167bhp peak before inlet mod, completely standard.
Believe me, dont believe me, I dont really care tbh...I know those figures are true.
Whats more import though (than figures) is the way they feel on the road afterwards...it cant really be disputed that gains arent impressive for whats involved both money wise and work wise.
As far as the figures im quoting go, the 182 im on about made 167bhp peak before inlet mod, completely standard.
Believe me, dont believe me, I dont really care tbh...I know those figures are true.
Whats more import though (than figures) is the way they feel on the road afterwards...it cant really be disputed that gains arent impressive for whats involved both money wise and work wise.
well how have you been timing cams in on 172 and 182's!?!? lol!
their not vernier adjustables no, but they are adjustable, otherwise how can cam timing be varied??? lol. I know how they work fella and as cam timing can be altered freely, so that to me is adjustment. Try getting the same accuracy out of a Mk1 stock pulleys.
why would it be pointless? If you want to run wilder cams that peak too high up the rev range how would you time them back without verniers?
and yeah, I know cam and ignition timing are different... hence me asking which it was, as it wasn't clear in the post if it was cam or ignition timing that was altered or both
and yeah, I know cam and ignition timing are different... hence me asking which it was, as it wasn't clear in the post if it was cam or ignition timing that was altered or both
yup, I got giddy and saw timing and assumed the pulleys had been messed with the alter the cam timing. either way, it's still 11bhp with viper, cat back and remap.
173 - 184bhp. 11bhp increase from three mods.
was probably 168-170bhp before remap and any mods. That's upto 16bhp, so inlets as well would take it to 197bhp... possible, but HIGHLY unlikely. People expecting 13bhp from inlets will be disappointed either way, very misleading imo.
173 - 184bhp. 11bhp increase from three mods.
was probably 168-170bhp before remap and any mods. That's upto 16bhp, so inlets as well would take it to 197bhp... possible, but HIGHLY unlikely. People expecting 13bhp from inlets will be disappointed either way, very misleading imo.
this is the point, so inlets alone will do very little unless the car was fucked to begin with, in which case Renault should foot the bill. It's stupid when people quote this 13bhp gain like it's something to write home about, it's not, the cars in question making these gains are well down on power to begin with. Granted, for the money it's a nice little mod but people love to get carried away and quote misleading crap all the time, then some unsuspecting noob see's it and assumes he/she's going to get the same results.
the inlets do do quite alot tho, thats why we see gains....its nothing to do with cars being fucked, my mates was less than a year old, fully serviced and in MINT conditiuon!!!
to be fair, most of them are down on power to begin with. this isnt to say mods are less worthwhile, its just part and parcel of manufacturers quoting the best figures.
to be fair, most of them are down on power to begin with. this isnt to say mods are less worthwhile, its just part and parcel of manufacturers quoting the best figures.
well a mismatch in a joint which encounters airflow is going to create energy loss in the flow. its going to disturb the flow, casue areas of turbulence which causes a restriction
manifold matching is nothing new, i think on these engine we see nice gains because theres two joints, as opposed to just one on many other engines. consequently theres twice the disruption in flow.
The fact still remains its a very worthwhile mod.
I sell a fair few of these over the t'internet and always have good feedback. I also have cars in the workshop regularly having this work done on the spot, and again when the owners collect and test drive they are always pleasantly suprised with the gains they have experienced first hand.
manifold matching is nothing new, i think on these engine we see nice gains because theres two joints, as opposed to just one on many other engines. consequently theres twice the disruption in flow.
The fact still remains its a very worthwhile mod.
I sell a fair few of these over the t'internet and always have good feedback. I also have cars in the workshop regularly having this work done on the spot, and again when the owners collect and test drive they are always pleasantly suprised with the gains they have experienced first hand.
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