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Re: turbo cam specs...
No life (a.k.a. DattoMaster)
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2003/12/3 7:56
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The lobe seperation isn't critical, I was just curious.
Is it a reground cam, or a custom new unit?
When a camshaft is reground, the point in it's rotation when the valve begins to open is changed. This can mean that intake or exhaust cycle can begin too soon, or too late. This can have an adverse effect on the engines running characteristics.
if your engine has computerised management, depending on what mapping sensors it uses, the ecu might struggle to adapt to the engines new air flow behaviors. If the valve timing is too far advanced or retarded, then a probelm such as this might be exassabated. (spelling)
I know bugger all about ecu's and such so I can't say too much more with any authority.

Posted on: 2007/6/10 9:16
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Re: turbo cam specs...
Home away from home
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Dont have an adjustable cam gear so cant dial in any adjustment, do you think this could be a problem? That is all the specs that were given so dont no the seperation, is this seperation like the overlap? Thanks, Will

Posted on: 2007/6/10 7:53
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Re: turbo cam specs...
No life (a.k.a. DattoMaster)
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Did you dial in the cam?
12thou seems a bit tight for valve lash on a forced motor.
What is the lobe seperation?

Posted on: 2007/6/10 6:17
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Re: turbo cam specs...
Home away from home
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no one?

Posted on: 2007/6/10 1:49
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turbo cam specs...
Home away from home
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Got and installed my cam today its a wade 471c/477c

CAM LIFT

Intake: 321
Exhaust:289

DURATION ADV.

Intake:262
Exhaust:262

DURATION @ 050

Intake:212
Exhaust:206

VALVE CLEARANCES

Intake:012
Exhaust:012

VALVE LIFT

Intake:485.55
Exhaust:435.95

This all means nothing to me, does anyone have a link or can explain briefly how it all works and how to read the specs. Anyone have any thoughts on the cam, is it mild or wild?
Its running with stock valve springs, lash pads, cam sprocket etc, looks like springs get close to binding, its thrown the ecu into caos runs stupid rich on steady throttle and full throttle, feels a LOT slower than stocka cam so hopefully nothings wrong just needs a tune

Posted on: 2007/6/8 10:14
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