csweatherston
Member
Registered: 16th Jan 06
Location: Devon
User status: Offline
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has anyone noticed any power gains from a protech manifold?....
to be totally honest...mine is a pile of poo.
ive got it paired to a 2 1/4" straight thru system....and have not noticed any power increase at all....
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corsacant
Member
Registered: 12th Nov 04
Location: Hull
User status: Offline
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When I had mine fitted I notied it had a bit more pull in it, but sounded like a sack of shit
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csweatherston
Member
Registered: 16th Jan 06
Location: Devon
User status: Offline
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bit more pull??......right at the top-end??....
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corsacant
Member
Registered: 12th Nov 04
Location: Hull
User status: Offline
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No midway I'd say. From about 2-2.5k revs. It was definately noticable because when I took it off my car felt a bit sluggish.
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L30 SCT
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Registered: 27th Nov 05
Location: aberdeen
User status: Offline
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i think its one of those things that you only notice once you have taken it back off again.
i have got one aswell, a while back everyone said the were good. all i hear now is how they dont add any power.
but you pay for what you get.
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corsacant
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Registered: 12th Nov 04
Location: Hull
User status: Offline
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I don't think they so much as add power, more improve torque. That was my feeling anyway.
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Robin
Premium Member
Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
User status: Offline
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quote:
Originally posted by L30 SCT
i think its one of those things that you only notice once you have taken it back off again.
thats the truest thing i've ever heard. same with most inlet manifolds, you only really see just how good it is when its missing.
[Edited on 14-10-2006 by Robin]
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L30 SCT
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Registered: 27th Nov 05
Location: aberdeen
User status: Offline
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when i put all the stuff on my 106 i thought it was shit, but when i went to sell it and took all the bits off it was slow as fuck
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bubble
Member
Registered: 24th Jan 04
Location: Darwin, NT Australia.
User status: Offline
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my xe has cams chip 421 fold on,adjustbale fuel reg, ii thought my was slow till drove standard xe iin corsa.
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
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I have always thought the protech is a poo design personally. the collector is far too narrow.
it is designed to help with gaining power at high revs, 7000 rpm+ really. any manifold on a x16xe wont help massively below this as they are a very good design to start with. if anything they will lose you torque up to 5-6000 rpm. same as any modification on modern 16v N/A engines, you need to raise the rev limit and alter timing and fuelling to make the most of them.
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Gregor
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Registered: 28th Nov 03
Location: Paisley, Renfrewshire
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Mine seems to make quite a tinny sound , or at least I think thats whats doing it ?
Anyone else get that ?
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
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hows the engine running now greg?
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corsacant
Member
Registered: 12th Nov 04
Location: Hull
User status: Offline
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Yeah mine was really rough sounding. That's one big reason why I got rid, cos it sounded like shit.
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davey_jack
Member
Registered: 28th Jan 06
Location: Horley, Surrey Drives: Clio 182
User status: Offline
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quote:
Originally posted by L30 SCT
i think its one of those things that you only notice once you have taken it back off again.
i have got one aswell, a while back everyone said the were good. all i hear now is how they dont add any power.
but you pay for what you get.
It does take the ecu a while to adjust the fueling and ignition according to the mods you make, even swapping from cat to decat made a difference on my corsa. I have a pro-tec manifold and I dont think it makes any difference to the sound, and performance would be hard to tell as it went straight onto a rebuilt engine that ran miles better than it did before anyway!
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