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Author 2.0 or 2.1 turbo
AK
Member

Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
20th May 05 at 14:03   View User's Profile U2U Member Reply With Quote
another 6k or so
Fad
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Registered: 1st Feb 01
Location: Dartford Kent Drives: 330cd
User status: Offline
20th May 05 at 14:05   View User's Profile U2U Member Reply With Quote
yeah i was thinking this
timrud_
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Registered: 3rd Jul 04
Location: Sheffield
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20th May 05 at 16:43   View User's Profile U2U Member Reply With Quote
Frontrea bottom end will work....
J da Silva
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Registered: 10th Apr 03
Location: The FACTory
User status: Offline
20th May 05 at 16:50   View User's Profile U2U Member Reply With Quote
The block was measured as 2237cc with dished pistons, not swept volume though, where did Omega bottm end come from?
The block size I have is 2137cc, 25cc's per pot unswept.
AK
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Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
20th May 05 at 17:43   View User's Profile U2U Member Reply With Quote
what size bore is that though ( in mm)
ed
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Registered: 10th Sep 03
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20th May 05 at 17:46   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Marc
quote:
Originally posted by Teddy
You cant have 2.2 - the block wont allow it.


I thought this too.

2 ways of changing an engines displacement. Boring it or stroking it. Using the Frontera crank you change the stroke and increase the displacement to 2.2... Then use 88mm pistons to get it to 2.3
AK
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Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
20th May 05 at 17:47   View User's Profile U2U Member Reply With Quote
but i dunno what that characteristics of it would be like revving wise etc
ed
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Registered: 10th Sep 03
User status: Offline
20th May 05 at 17:53   View User's Profile U2U Member Reply With Quote
Apparently they aren't very strong with the Frontera bottom end and don't like being revved up... Not sure how true this is though.
Mattb
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Registered: 2nd Feb 03
Location: Under your sisters bed
User status: Offline
21st May 05 at 08:08   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by timrud_
Frontrea bottom end will work....


on a standard block it wont, the crank hits the strengthening webbing on the inside.. you need to get the block machined to allow for a bigger throw, at the expense of block strength.. dodgy imo
BabyBlade
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Registered: 5th Feb 03
Location: Hereford Rides: Ninja 600
User status: Offline
21st May 05 at 13:45   View User's Profile U2U Member Reply With Quote
so 1mm or 2mm makes a big difference to the performance,hard to believe!

I can get an oversize piston kit for my 250cc, first stage is 1mm second stage is 2mm, didnt think much of it but i should think again??
AK
Member

Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
21st May 05 at 14:34   View User's Profile U2U Member Reply With Quote
5%more cc = 5% more bhp..... or there abouts

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