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Author vernier pulley's
corsa col
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Registered: 27th Dec 03
Location: Cumbria
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16th Nov 06 at 20:35   View User's Profile U2U Member Reply With Quote

Simply question...... are there any horse power waiting to be unleashed by fitting vernier pulleys to a standard cam set-up?

Answers can be as simple or complex as you want!!
Ojc
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Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
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16th Nov 06 at 20:36   View User's Profile U2U Member Reply With Quote

No
corsa col
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Registered: 27th Dec 03
Location: Cumbria
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16th Nov 06 at 20:40   View User's Profile U2U Member Reply With Quote

That'll do!!
Thanks
Dave A
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Registered: 10th Dec 03
Location: County Durham
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17th Nov 06 at 10:55   View User's Profile U2U Member Reply With Quote

infact there is on most engines. as long as you map the ignition timing to suit.

by adjusting the cam timing on a c16xe just slightly, 5bhp can be had without any other engine mods.
corsa col
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Registered: 27th Dec 03
Location: Cumbria
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17th Nov 06 at 12:32   View User's Profile U2U Member Reply With Quote

Mmmmmm!..... well I already have a mbe mappable ecu setup running jenvey tb's. So on a x14xe do you think i could i expect a similar 5bhp increase then?
eiwan
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Registered: 18th Oct 05
Location: Finland
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17th Nov 06 at 14:22   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Dave A
infact there is on most engines. as long as you map the ignition timing to suit.

by adjusting the cam timing on a c16xe just slightly, 5bhp can be had without any other engine mods.


Does anyone know which way to adjust the pulleys to achieve this ? I´m going to map my megasquirted c16xe properly soon, so might as well get some verniers and do them also. Any experiences ?
Dave A
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Registered: 10th Dec 03
Location: County Durham
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17th Nov 06 at 16:06   View User's Profile U2U Member Reply With Quote

I have it written down somewhere, im sure its inlet cam advanced 3-5 degrees, Ill have a check
CorsaGSI_DK
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Registered: 10th Jun 02
Location: Copenhagen, Denmark
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17th Nov 06 at 19:46   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Dave A
I have it written down somewhere, im sure its inlet cam advanced 3-5 degrees, Ill have a check


I would also like to know :-) Just a simple guideline. Mine will be remapped on a rolling road...but always nice to know some app. setting so we know where to start
Warren G
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Registered: 14th May 06
Location: Kent
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18th Nov 06 at 15:27   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Dave A
I have it written down somewhere, im sure its inlet cam advanced 3-5 degrees, Ill have a check


would be nice to know, will be fitting pulley with 265 degree cams running megasquirt, when you find out can u u2u me

 
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