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Author WHAT CAMS??? with standard pistons! (C20xe)
dalejones
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Registered: 9th Dec 08
Location: Swansea, Wales
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16th Apr 10 at 09:59   View User's Profile U2U Member Reply With Quote
im lookin for cams for my c20xe just want to kno wot to look for in the spec to match standard pistons if you get me, like wots the longest duration etc... im pretty sure its 270 but not 100% any one know???
dalejones
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Registered: 9th Dec 08
Location: Swansea, Wales
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16th Apr 10 at 16:31   View User's Profile U2U Member Reply With Quote
N e one?
alan-g-w
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Registered: 9th Nov 07
Location: Glasgow
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16th Apr 10 at 18:18   View User's Profile U2U Member Reply With Quote
I'm interested to know this as well. Probably best sticking a thread up in the help zone mate.
chrex
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Registered: 26th Aug 07
Location: Brawdy/Wirral
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16th Apr 10 at 21:00   View User's Profile U2U Member Reply With Quote
standard ones. not much point putting cams in on standard pistons because the standard cams are good for 180bhp or so. Plus the valve clearances are that slight that you'll end up killing them as they WILL touch at some point when you're giving it stick.

Pistons need cams, and the cams need pistons.
lostboy
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Registered: 29th Jan 09
Location: Durham
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16th Apr 10 at 21:43   View User's Profile U2U Member Reply With Quote
You could put some mild ones in but chrex makes a point.
dalejones
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Registered: 9th Dec 08
Location: Swansea, Wales
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16th Apr 10 at 21:48   View User's Profile U2U Member Reply With Quote
Ah wot I thort cams give a good 15 bhp gain! I've seen some 270 cams, they will give gains won't they?
lostboy
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16th Apr 10 at 21:52   View User's Profile U2U Member Reply With Quote
They can but other mods will compliment them nicely, have a look here for more info.
chrex
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Registered: 26th Aug 07
Location: Brawdy/Wirral
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17th Apr 10 at 07:35   View User's Profile U2U Member Reply With Quote
yea, but the clearances are the main problem...especially at higher rpm's. Unless you have the cut-outs in the pistons enlarged...you'll more than likely be putting new valves in before long.

i wouldnt risk it tbh.
philip2
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Registered: 1st Oct 06
Location: n.wales/chester
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17th Apr 10 at 08:27   View User's Profile U2U Member Reply With Quote
Depends on lift/duration, 264 tend be largest, but could get 270 with I thnk its les lift, bt with the duration. I built an xe wit rods, wossners, headwork, newman 270s, r1 carbs + tle exhaust made 190 at wheels whch rwd wrk 225 at fly. Bt id ring newman I rate them beta than kent and piper
dalejones
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Registered: 9th Dec 08
Location: Swansea, Wales
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17th Apr 10 at 08:51   View User's Profile U2U Member Reply With Quote
hmm havent got alot of money tho, how much would a set of newman cost??
lostboy
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17th Apr 10 at 08:52   View User's Profile U2U Member Reply With Quote
http://www.lmfvauxhall.co.uk/store/manufacturers.php?manufacturerid=60
dalejones
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Registered: 9th Dec 08
Location: Swansea, Wales
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17th Apr 10 at 08:58   View User's Profile U2U Member Reply With Quote
would i go for phase 1 or 2? coz i want a good gain but phase 2 says for use with throttle boddies, do u have to?
dale87
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Registered: 19th Feb 06
Location: West Mids :)
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17th Apr 10 at 09:25   View User's Profile U2U Member Reply With Quote
I've got kent AST1612 cams and oversized valves in my c20xe with standard pistons. Not sure on the lift, duration etc but mine have been fine for 3 years and the car gets death everytime I take it out lol.
lostboy
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17th Apr 10 at 11:07   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by dalejones
would i go for phase 1 or 2? coz i want a good gain but phase 2 says for use with throttle boddies, do u have to?


Yes, you wouldn't get away with phase 2 without throttle bodies hence why it says for use with throttle bodies, they don't say that shit for fun.

 
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