R3 cams or matspeed cam or what?!

philipskardon

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Feb 2, 2006
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Hope someone can trow some light. Want to upgrade cams and i think R3 cams are 268 degrees right? (correct me if wrong). Any significant diff between 268 and 272 cams?

AFter the cams, pulleys changed, do you need to change valve lifters and if there anything else?

Also since the siemens ecu cannot / hard to recalibrate, then after changing cams, how to adjust a/f mixture? SAFC can be used on siemens? any other piggy backs? Will R3 provide or sell the piggy back?

Also is it possible to polish TB on your own with fine grade sand paper?
 

deacon

Senior master debater
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May 5, 2005
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Lots of questions being asked.

Here are some answers. Apparently the Siemens will re-calibrate itself (or something like that) to accommodate the higher duration of the R3 cams - which are around 262 or 264 last i heard.

From the few i know who have the R3 stage 2 cams almost none have changed their valve lifters right after getting them put. You might have to one day though.

R3 doesn't provide piggy backs from what i heard.

Polish or port your TB? I dunno whether you can polish anything with any type of sand paper.
 

philipskardon

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Senior Member
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Feb 2, 2006
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gua thread sudah hilang.. so much effort to built to 3 pages and it just disappear!
Somemore my first 3 page thread

sad sad...
 

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