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Cosworth piston choice?

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Old 03-12-2014, 02:22 PM
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Escortdriver1
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Default Cosworth piston choice?

Having my yb 200 block engine built and ive got a choice of pistons to use...

Im stuck between;


PEC (supertech) - was origionally making pistons with cosworth (says website) but gone their separate ways and now these are exactly the same from same materials but have a special coating but after some research i cant really find any reviews on them

Cosworth racing


Standard mahles i don't want to go with as i will be going for 500-550 so forged pistons & rods sound the most reliable

Spec will be engine wise -
Ported & polished head
10 long studs
Squirters

what's peoples thoughts or reconsiderations?
Old 03-12-2014, 02:34 PM
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stevecfrst1
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Woosner are sposed to be good, got a couple of mates using them
Old 03-12-2014, 02:58 PM
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Escortdriver1
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i have put some thought into them mate but ive heard both really good things and really bad things about them
Old 03-12-2014, 03:39 PM
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James @ M Developments.
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for over 500 I would use CP
Old 03-12-2014, 05:08 PM
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ajamesc
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I've just got cp Pistons and Carrillo con rods for mine
Old 03-12-2014, 05:25 PM
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jontysafe
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Default Pistons

I ordered Cosworth racing forged Pistons back in Sep. Was told 7 weeks ish delivery time. Am now being told Feb earliest and speaking to peeps that could mean MUCH later. I've now ordered CP through James at Grace Engine Decelopments.
Old 03-12-2014, 07:55 PM
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Hmm to be fair if cosworth racing are taking that long to get hold of they must be good! Lol

How much are cp pistons in comparison? I havent heard many bad things about them
Old 03-12-2014, 08:13 PM
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ajamesc
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Mine cost a grand
Old 03-12-2014, 08:14 PM
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jontysafe
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Default Pistons

I was told that the Pistons take a real back seat to Cosworth's F1 activities, which is not really surprising is it. That's why lead times are so unpredictable.

The CPs were a little more but not much. About £660 I think.
Old 03-12-2014, 09:06 PM
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jontysafe
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A grand for Pistons? Seems a bit much?
Old 03-12-2014, 09:35 PM
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ajamesc
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Originally Posted by jontysafe
A grand for Pistons? Seems a bit much?
Might be because there made to a spec and to suit longer rods
Old 03-12-2014, 10:19 PM
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I have used many variants over the years and the best I've found were cp ,cannot say anything bad about them,as long as the engines built and balanced properly
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