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Author Tuning the 1.4 16v Ecotech
Mike2k111
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Registered: 7th Oct 03
Location: N.Wales
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2nd Jun 04 at 23:33   View User's Profile U2U Member Reply With Quote

Ive heard lots of good things bout the potential of tuning the 1.4 16v Ecotech engine in a corsa sport.
Ive already got a Pipercross induction air filter with cold air feed and an exhaust back box but was wondering what are the other cheapest and best engine mods that will get more speed and/or acceleration out of it. Cheers. Mike
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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3rd Jun 04 at 01:46   View User's Profile U2U Member Reply With Quote

nothing really cheap....

(the following is a maxpower type reply

Aye min.... fit some decent plugs n leads.... 'chip it n'youll be seing about 110bhp )

First off - dont get an induction kit... unless you can fabricate a 'cool box' or some shit for it.... They just hoover up the hot air in the engine bay.... and cold air feeds are a nuisence

A decent exhaust manifold, de-cat and 2 1/4" exhaust will help....

exhaust manifolds....

SBD - expensive but good, good mid range gains
PMC - cheap and great top end


next step, some mild cams (256 degree) and a UNICHIP. This will see you anywhere around 110-115bhp

After this.... its the inlet manifold - go for

Mantzel for top end (need rev limit increased, so ARP rod bolts too)
Lexmaul for mid range
Velos if your on a budget

and TB's if your a star

get that all mapped up with some wilder cams (need new pistons for valve clearence at this point ) and your looking at around 130-135 maybe 140bhp

more gains if you get the inlet/exhaust ports matched to the new items to help air flow etc.... headwork is an option too, as is boring it out

but by this point you prob realise that it would have been cheaper to fit a c/x 16xe!! and mildly tune that

there are heaps round for cheap these days d/t the amount of 2.0 conversions being done

Its ecotec btw

Also, do not be tempted by an off the shelve chip. They come premapped and just assume your car needs more fuel.

I had a superchip fitted to my 1.4 16v, i then went down the UNICHIP route.... no comparison!!! The superchip was a farce, it was over fueling my car like mad!

Anyway.... the cheapest and easiest thing to do..... just keep the engine in good nick. Reg oil/filter/plug changes etc
mav
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Registered: 19th Jun 01
Location: Scotland
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3rd Jun 04 at 02:22   View User's Profile U2U Member Reply With Quote

wow Adam U have time on your hands there..............
Mike2k111
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Registered: 7th Oct 03
Location: N.Wales
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3rd Jun 04 at 08:19   View User's Profile U2U Member Reply With Quote

Cheers, Adam...Thats pretty much everything i needed to no
So pretty much look after it and keep it in shape, then jus change the engine when then the time comes
LukeGSi
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Registered: 9th Dec 03
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3rd Jun 04 at 08:59   View User's Profile U2U Member Reply With Quote

Adam for mod
jr
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Registered: 20th May 02
Location: Kent
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3rd Jun 04 at 09:48   View User's Profile U2U Member Reply With Quote

adam is right

but as there are so many xe'd corsa about now i find it more worthwhile tunning the 1.4

i was lucky as picked up a very top spec 1.4 with all the work allready done
broster
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Registered: 6th Dec 02
Location: Drives: E39
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3rd Jun 04 at 09:51   View Garage View User's Profile U2U Member Reply With Quote

tuning a 1.4/1.6 is more fun than banging a 2.0xe in! hence hwy i chose to tune my 1.4 and now my 1.6. and it will be nice to see jr keep with a 20xe up the 1/4!!! hope he does it
jr
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Registered: 20th May 02
Location: Kent
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3rd Jun 04 at 09:52   View User's Profile U2U Member Reply With Quote

i hope i do it as well

car runs so much better now, spins in third at 7k as well
broster
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Registered: 6th Dec 02
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3rd Jun 04 at 09:53   View Garage View User's Profile U2U Member Reply With Quote

quote:
Originally posted by jr
i hope i do it as well

car runs so much better now, spins in third at 7k as well


not bad going that lol! mine goes so much better now i got the 1.6 in, same power as u what torque you got now?
jr
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Registered: 20th May 02
Location: Kent
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3rd Jun 04 at 09:56   View User's Profile U2U Member Reply With Quote

i have never put in on a rr in my car, ran 105lb/ft in m4tt_c
broster
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Registered: 6th Dec 02
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3rd Jun 04 at 09:57   View Garage View User's Profile U2U Member Reply With Quote

not bad for a 1.4 really, that about the max u can ge ti supose, my 1.4 was 100lb/ft. my new engine is 122lb/ft really noticable
jr
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Registered: 20th May 02
Location: Kent
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3rd Jun 04 at 09:59   View User's Profile U2U Member Reply With Quote

well i could put a 1.6 bottom end on this engine, need new omega pistons and stuff

want sbd throttle bodies really, or maybe twin webers
broster
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Registered: 6th Dec 02
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3rd Jun 04 at 10:00   View Garage View User's Profile U2U Member Reply With Quote

that will make it nice and quick! specially as its totally stripped out!!! gunna ditch some of my interior, not as extreme as urs tho lol i still want some comforts
jr
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Registered: 20th May 02
Location: Kent
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3rd Jun 04 at 10:02   View User's Profile U2U Member Reply With Quote

i drove it yesterday and was sssssssooooooooo loud

would really like a 16point weldin cage and maybe a LET in it though
broster
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Registered: 6th Dec 02
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3rd Jun 04 at 10:05   View Garage View User's Profile U2U Member Reply With Quote

no dont do let lol, turbo pahhhh dull, tuned 1.6 funnnn! lol, my aim is to build an engine similar to andys next year, go the basics there jus tneed bottom end work done then throttle bodies and cams, so basically the head work is done
Wolf In Welsh Clothing
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Registered: 31st Mar 03
Location: North Wales...... Cooper S on order
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3rd Jun 04 at 12:08   View User's Profile U2U Member Reply With Quote

Inlet manifold for 450 or 2l transplant.
If you want to spend loads of money though you could turbo it, you can even by the parts one by one...... to reach 197bhp!
Velos have got their development engine for sale for 3000, putting out same power as a 2.0l turbo for a similar price.

www.velosmotorsport.co.uk

[Edited on 03-06-2004 by Wolf In Welsh Clothing]
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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4th Jun 04 at 06:09   View User's Profile U2U Member Reply With Quote

i can understand wanting to tune a 1.4 etc... i did...

115bhp and 102 lb/ft

but with experience... i should have really just popped a 1.6 16v in.... its soooo easy to do, and its a much better starting block.

No replacement for displacement n'all that shit

Jr - if we meet again, and both our corsa's are running i wouldnt mind a shooty of what my old 1.4 might have been if i didnt get bored and sell it

only to buy the green one two weeks later
AK
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Registered: 5th Jul 00
Location: Aberdeen City
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4th Jun 04 at 06:09   View User's Profile U2U Member Reply With Quote

luke - i should be a mod
jr
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Registered: 20th May 02
Location: Kent
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4th Jun 04 at 09:38   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Adam Kindness

Jr - if we meet again, and both our corsa's are running i wouldnt mind a shooty of what my old 1.4 might have been if i didnt get bored and sell it

only to buy the green one two weeks later


normaly i would'nt have a problem with letting ppl drive my car, but as you have a habit of blowing things up we will see

no probs though

AK
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Registered: 5th Jul 00
Location: Aberdeen City
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4th Jun 04 at 23:10   View User's Profile U2U Member Reply With Quote

mehehe

 
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