Omega Owners Forum
Omega Help Area => Omega General Help => Topic started by: stuthespread on 01 February 2009, 18:09:25
-
if i were to change my 2.5 cams for 3.0 cams would there be any significant improvements to power etc.?
-
yes :y
http://www.omegaowners.com/forum/YaBB.pl?num=1152565319
-
would i need to replace anything else at the same time?
-
Need...No lol Got some here if you decide to go for it...
Although if your cambelt/tensioners not been done for a while or you dont know when it was last done its worth doing at the same time as you have to have the belt off anyway...and waterpump as easy access at that point and only £20 or so new :y
-
cambelt done 13k ago,waterpump replaced at the same time.
-
Then no lol Anything else you might want to change is simply out of a while I'm there basis, oil cooler for example as your pretty much there, but nothing needs changing apart from the cams themselves...
Suppose gaskets would be the only other consideration, cam cover gaskets etc...but again only if they need changing...
Timing has to be spot on after :y
-
excuse my ignorance but would the coolant etc need draining?i'm pretty limited to time scale too as i need to use the car on a daily basis as my mrs has a badly broken leg at the moment and i'm the only transport we've got for the next while.
-
Dont think so...need to remove the plenum, cam covers, multiram and cam belt cover think thats it from memory...
-
I upgraded my cams when we last did the belt/tensioners mid last year..did the water pump at the same time and found it wise to also replace the cam seal gaskets as wanted to ensure no problems when all went back together.
Have noticed a fair difference in performance especially when you hit 4k it seems to behave like a different car...not a 10 year old armchair.!!!.worth the effort in my opinion.
-
Replace the lowest section of inlet manifold if you can at the same time
-
I upgraded my cams when we last did the belt/tensioners mid last year..did the water pump at the same time and found it wise to also replace the cam seal gaskets as wanted to ensure no problems when all went back together.
Have noticed a fair difference in performance especially when you hit 4k it seems to behave like a different car...not a 10 year old armchair.!!!.worth the effort in my opinion.
What is it like below 4000rpm as I am thinking of doing my 2.6 auto
-
I upgraded my cams when we last did the belt/tensioners mid last year..did the water pump at the same time and found it wise to also replace the cam seal gaskets as wanted to ensure no problems when all went back together.
Have noticed a fair difference in performance especially when you hit 4k it seems to behave like a different car...not a 10 year old armchair.!!!.worth the effort in my opinion.
What is it like below 4000rpm as I am thinking of doing my 2.6 auto
dont think there's much point puttin the 3.0 cams in the 2.6 martin from a thread i read about the bottom end being possibly slightly worse for torque (it'd be ok if you towed the caravan in sport mode lol)
-
Replace the lowest section of inlet manifold if you can at the same time
Have this too for a 3.0 if needed/wanted :y
-
I upgraded my cams when we last did the belt/tensioners mid last year..did the water pump at the same time and found it wise to also replace the cam seal gaskets as wanted to ensure no problems when all went back together.
Have noticed a fair difference in performance especially when you hit 4k it seems to behave like a different car...not a 10 year old armchair.!!!.worth the effort in my opinion.
What is it like below 4000rpm as I am thinking of doing my 2.6 auto
dont think there's much point puttin the 3.0 cams in the 2.6 martin from a thread i read about the bottom end being possibly slightly worse for torque (it'd be ok if you towed the caravan in sport mode lol)
Already do
But cruising on mways it is in top at about 2500rpm AFAIR
-
A punter in latest ABS mag's 2.5 with 3.0 cams was much stronger than a lot of 3.0's on rolling rd 215bhp 225lb ft.
-
A punter in latest ABS mag's 2.5 with 3.0 cams was much stronger than a lot of 3.0's on rolling rd 215bhp 225lb ft.
It must of had more work done than a set of cams ::)
-
Enlarged throttle body, modified ex manifold rechip.
-
Enlarged throttle body, modified ex manifold rechip.
Nice ;)
-
Enlarged throttle body - Only performance gain will have been achieved by lightening his wallet!
Modified ex manifold - Good improement available if well done
Rechip - Should free a few ponies up.
-
............it was a Courtney CS3 but with Markey Marks 3 litre Cams rather than theirs and a custom exhaust from Longlife
I'm thoroughly enjoying it!
Will be doing a manual converstion with Stuart from ABS soon too.
Matthew
-
How does the auto cope though?
-
Hi Martin (nice to see you on ABS too)
Copes fine. It'll never be sharp like a manual but there's plenty under my right foot if I need it. Fuel consumption no different either (had been expecting it to get worse)
Can't comment about what it does towing as I don't tow.
Wouldn't you need the 3.2 cams for a 2.6 or is that completely irrelevant? (Anyone?)
Matthew
-
Hello :y
Been told that 3.0 are fine, MDTM is using a set on a 2.6 manual
-
Enlarged throttle body - Only performance gain will have been achieved by lightening his wallet!
Modified ex manifold - Good improement available if well done
Rechip - Should free a few ponies up.
how can this be done??? i thought the 3.0 exhaust manifolds on the V6 were oem or nothing?
-
>Modified ex manifold - Good improement available if well done
>how can this be done??? i thought the 3.0 exhaust manifolds on the V6 were oem or nothing?
..........Look at the Courtenay site under V6 Tuning. They make an enlarged divider.............