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banna

posted on 29th Dec 05 at 14:10

my bad. i'm with ya now. i'll give it a go. thanks for ya advice


Will_Sport

posted on 29th Dec 05 at 14:06

uh? The inlet manifold is quite restrictive part, its the 4 bits that lead into engine (look on brosters garage... think he has a lexmaul)... other than that a 4-1 manifold and decat are going to be the only gains you'll get on the exhaust and they won't be massive unless air can get into engine quick in the first place


banna

posted on 29th Dec 05 at 14:04

so run headers from the exhaust all the way to the back (as in a full system)? cheers for the help


Will_Sport

posted on 29th Dec 05 at 14:01

and as its ecotec.... you're best bet is to spend the money you'd spend on an exhaust on an inlet manifold (lexmaul/mantzel) it'll give you better gains than most exhaust bits


Will_Sport

posted on 29th Dec 05 at 14:00

if its ecotec it'll be DOHC


banna

posted on 29th Dec 05 at 13:58

it is an ecotec motor


banna

posted on 29th Dec 05 at 13:57

the sparkies sit real deep below the opel sign at the top. my car is a holden (i.e. impoted to NZ from germany_


Will_Sport

posted on 29th Dec 05 at 13:49

does your engine have a cover saying ecotec on it?

if it has a cover, take it off and look if the spark plugs are on side of engine or if sunk between 2 mounds (where the cams are), if they are between 2 rows then it'll have 2 cams... or double overhead cam


Darren

posted on 29th Dec 05 at 13:47

:lol:


banna

posted on 29th Dec 05 at 13:32

it's definitely a 1.4 16v- i've got the badge on the right rear


Will_Sport

posted on 29th Dec 05 at 13:17

it'll be a double over head cam if its 16v.... as far as i'm aware only honda make SOHC 16v engines.

and if its just a 1.4 8v (which it'll be if its SOHC) a full system will cost more than upgrading to a x14xe (1.4 16v... or possibly a 1.6)


banna

posted on 29th Dec 05 at 08:31

the engine before the model put into the corsa c


dantheman

posted on 28th Dec 05 at 17:04

1.4 16v single overhead cam??


Rob_Corsa

posted on 28th Dec 05 at 15:14

quote:
Originally posted by OGX
with a decent system yeah your talking 5-10% but you can lose power with a shit system! I would go custom!

[Edited on 28-12-2005 by OGX]


I was under the impression that custom exhaust(basic ones) were just built to fit whereas magnex etc design them so that they give the right amount of back pressure for maximum performance gain?


OGX

posted on 28th Dec 05 at 13:32

with a decent system yeah your talking 5-10% but you can lose power with a shit system! I would go custom!

[Edited on 28-12-2005 by OGX]


banna

posted on 28th Dec 05 at 13:25

1.4 16v single overhead cam


OGX

posted on 28th Dec 05 at 13:24

depends on what engine? mainly the bigger the engine the better the gains!


banna

posted on 28th Dec 05 at 13:22

what kind of horsepower gains can i expect? 5-10%?


OGX

posted on 28th Dec 05 at 13:19

get a full system!


banna

posted on 28th Dec 05 at 12:36

WHATS my best option for gains in this area? is there none?


Wrighty

posted on 28th Dec 05 at 11:47

hardly noticeable power gains mate

biggest difference will be noise


banna

Icon depicting mood of post posted on 28th Dec 05 at 09:34

do removing the cat give a gain in horsepower?
is it better to fit a cat back pipe?
thanks:thumbs: