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suit scoot
Inspector
Joined: 17 May 2007
Posts: 451
Location: Costa del Redcar.
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 Posted: Fri Jun 06, 2008 10:56 pm Post subject: 300 question. |
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does the 300 (278cc) engine use the same engine casing as the 250?
(i know it uses a longer stroke crank)
i'm doing a full engine rebuild at 30,000 miles and i'm thinking of bolting the 300 barrel, piston, and crank into the thing as well as replacing all the bearings and seals.
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smirnoff
Site Admin
Joined: 14 May 2007
Posts: 1125
Location: On the bouncy castle in my head.
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| Posted: Sat Jun 07, 2008 5:14 am Post subject: |
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Also wouldn't you also need an ecu remap and could that be done, or does it even have a bigger throttle body?
Lots of things to ponder over. 
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ChevySoul
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Joined: 04 Jan 2008
Posts: 487
Location: Black Country
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| Posted: Sat Jun 07, 2008 10:07 am Post subject: |
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How about the head, is that also bigger? 
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CheekyThomas
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Joined: 18 May 2007
Posts: 1374
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| Posted: Sat Jun 07, 2008 11:29 am Post subject: |
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From the part number side of things, its all different even the crankcase.
But without having both apart and trying to see if bits can be made to fit its an unknown really... im sure it wont be long until someone does it. |
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suit scoot
Inspector
Joined: 17 May 2007
Posts: 451
Location: Costa del Redcar.
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| Posted: Sat Jun 07, 2008 11:27 pm Post subject: |
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hmmm, i hate the look of the 300 but want the engine.
it doesnt say anything on their engines site so, if it can't be done, i'll go tune my 250. 
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Rhoodman
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Joined: 16 May 2007
Posts: 151
Location: Oakham, Rutland
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| Posted: Sun Jun 08, 2008 4:28 pm Post subject: |
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| suit scoot wrote: | | i'll go tune my 250. |
Do it! 
I've still got that induction kit laying around. If you want it, I can bring it to whitby. Add a PM box, and you've got +2 bhp instantly!
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suit scoot
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Joined: 17 May 2007
Posts: 451
Location: Costa del Redcar.
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| Posted: Sun Jun 08, 2008 9:03 pm Post subject: |
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| Rhoodman wrote: | | suit scoot wrote: | | i'll go tune my 250. |
Do it!
I've still got that induction kit laying around. If you want it, I can bring it to whitby. Add a PM box, and you've got +2 bhp instantly! |
not gonna tune it till it's re built though. its probably got about 13hp now when it used to have 16.... it feels really sluggish, i think its all coked up in there.
who ported your head if you don't mind me asking?
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Rhoodman
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Joined: 16 May 2007
Posts: 151
Location: Oakham, Rutland
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| Posted: Sun Jun 08, 2008 9:17 pm Post subject: |
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Er... I dunno! Ask Russpeed!
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krull
Joined: 14 May 2008
Posts: 14
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| Posted: Fri Jun 13, 2008 5:32 pm Post subject: |
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As a matter of interest, why are you having to a full rebuild after only 30k? I would have thought modern engine, modern oils etc, it should have lasted a lot longer.
If yours is typical, there must be plenty down london that are used for commuting that would be knackered after only 2 years or less. |
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