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Old 14th August 2007, 15:54   #1
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Default which is the ideal cam?

W\Wanted to know which is the ideal cam for a Corsa 1.4. BP275 or BP285? Some people suggest the first one while others suggest the latter. Please advice.

PS: Viper, MClaren, psycho, can you please contribute with your opinions?
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Old 14th August 2007, 15:57   #2
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Higher the degree, higher are the chances that you will have a rough idle. My idling fluctuates between 750-1500 depending on my cars mood and I am running a 270 deg Crower.

If you are ready to put up with this, get an adjustable cam gear and go for the 285. Btw, how much is the price difference between the two cams? Is it a weld & reground? Or a brand new billet?
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Old 14th August 2007, 16:01   #3
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From whatever I've heard right now, it's supposed to be a brand new billet. Spoke to guys from Piper UK. The Vauxhall Corsa B in UK and our Indian Corsa 1.4 share the same platform. Price for 285 is somewhere in the range of 18 to 20k. Don't mind the rough idling at all.
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Old 14th August 2007, 19:21   #4
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Hi,

I would suggest you go in for a BP 285 and make sure you have a adjustable Cam wheel.

Viper
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Old 14th August 2007, 19:22   #5
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Then go for the 285 if you don't mind the idling. Also while you are at it could you figure out the prices for a 290 degree cam for the Baleno? A friend needs one.
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Old 14th August 2007, 19:27   #6
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Not a proble Rahul, I'll find it out for you.
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Old 16th August 2007, 16:39   #7
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Do I need to upgrade to bigger injectors if I'm going for a 285?
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Old 16th August 2007, 16:53   #8
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Quote:
Originally Posted by adman77 View Post
Do I need to upgrade to bigger injectors if I'm going for a 285?
I don't think that would be necessary. Rather if you want to supply additional fuel get yourself a FPR. Should suffice.
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Old 16th August 2007, 16:58   #9
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I Already have an FPR
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Old 16th August 2007, 20:31   #10
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Also get a good Head job with 3 angle valve job done, raised compression with aftermarket pistons (expensive option) or shaved cyl head if you haven't got that done.

Also some turners tend to shave part of valve neck to increase the airflow during head porting/polishing, i highly recommend not to do that,instead get after market valves (flat top) nitride coated this will also contribute to raise compression a bit.
Hows the intake manifold design in a corsa? that will play a vital role in the air flow?
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Old 16th August 2007, 21:50   #11
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Quote:
Originally Posted by Ford Rocam View Post
Also get a good Head job with 3 angle valve job done
Done that already

Quote:
Originally Posted by Ford Rocam View Post
raised compression with aftermarket pistons (expensive option)
Getting that done too

Quote:
Originally Posted by Ford Rocam View Post
Hows the intake manifold design in a corsa? that will play a vital role in the air flow?
The intake manifold in the corsa is least restrictive. Where do you live by the way? If possible, can meet up and you can have a look.


PS: lemme have a look at the B16A too. Yummy yummy.
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Old 17th August 2007, 23:32   #12
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Guys,
Just got my compression checked. It's running at 200. Good enough?
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Old 30th August 2007, 15:41   #13
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Guys, the cam's finally here. Got a 270* fast road. Some pics for you guys.








Last edited by adman77 : 30th August 2007 at 15:45.
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Old 3rd September 2007, 22:38   #14
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can anyone suggest a good cam upgrade for the new honda city... the 1.5 exi..??
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Old 4th September 2007, 00:27   #15
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Quote:
Originally Posted by amahesh View Post
can anyone suggest a good cam upgrade for the new honda city... the 1.5 exi..??
its better not to mess up with the NHC, its not a car to be modded and parts are not available with ease.
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