corsapaul
Member
Registered: 23rd Jun 05
User status: Offline
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is anybody here running c20xe f28? is there any difference in top end with having a 6 speeder? how much grief to fit?
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GTS-T Rob
Member
Registered: 20th Jul 05
Location: Cambridgeshire Drives: Skyline
User status: Offline
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from what i know, its pointless having one as the engine is not designed for it! messes up the gearing of how it should be, keep the f28 for the LET engines
[Edited on 16-11-2005 by Cruising Corsa]
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ed
Member
Registered: 10th Sep 03
User status: Offline
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No point in having an F28 on a n/a 2.0... The ratios are all wrong.
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Nic Barnes
Member
Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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theyre a lot heavier aswell. theyre on the let's so at say 70-80mph your not in boost while driving for fuel economy etc.
it isnt just a case of swapping boxes over either, you have to cut and shorten a part of the linkage, and its gotta be welded back togethe pretty much the same angle it was chopped off at or it makes getting gears really difficult.
i wouldnt bother personally with one on a xe. there are better thing to spend the time and money on really
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
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I thought the first 5 gears were the same with 6th put on top with the F28. This wouldn't screw the ratio's up, and would give you an extra gear for fuel economy whilst cruising.
I would have thought the limiting factor with top speed would be power. With a long enough hill you would have a higher top speed with the F28, but thats no great gain at all.
I would only do it for fuel consumption and comfort of cruising at higher speeds.
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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the first 5 are the same as the f20 4xe box from cavvy and calibra 20xe 4x4's, the ones everyone removes the final drive out of for ther other f20's, then a 6th after that.
well, thats what i think i was told they were
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ed
Member
Registered: 10th Sep 03
User status: Offline
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THe final drive is different on the F28 making the gear ratios different. This has been covered a few pages into this section and the actual ratios are listed to propve my point.
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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ed, the authority on gearboxes, lol
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ed
Member
Registered: 10th Sep 03
User status: Offline
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I didn't really mean it like that... It was past my bedtime 
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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what, 10.40pm, lol
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ed
Member
Registered: 10th Sep 03
User status: Offline
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I'm old.... 
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