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Tech Area => General Buick Tech => Topic started by: quick72toy on July 13 2021, 07:55:10 PM

Title: Cam card?
Post by: quick72toy on July 13 2021, 07:55:10 PM

Anyone have a cam card for the Revolution XR1 206/210? Lost mine. Need the Valve timing opening and closing @ 0.050 for Int and Ex.
 Thanks.
Paul

Title: Re: Cam card?
Post by: Steve Wood on July 13 2021, 08:44:38 PM

You may have to call 'em up and ask Marianne to take a picture of the card if she has one in stock??

Title: Re: Cam card?
Post by: quick72toy on July 14 2021, 03:31:26 PM

Quote from: Steve Wood

You may have to call 'em up and ask Marianne to take a picture of the card if she has one in stock??

Thanks Steve. I called but she doesn't have one. Will have to call again tomorrow morning and talk to Steve to see if he has that info.

Title: Re: Cam card?
Post by: quick72toy on July 14 2021, 04:01:01 PM

FWIW Did some hunting and found this Opening and Closing calculator from Adv duration specs                                                                                                      IO = (.5*AdvIntDur)-Intake Lobe Center                                                                                 IC = (.5*AdvIntDur)-(180-Intake Lobe Center)                                                                       EO = (.5*AdvExhDur)+(2*LSA-ILC)-180                                                                                EC = (.5*AdvExhDur)-(2*LSA-ILC)                                                                                       Add the Intake opening and the Exhaust closing time to get the overlap.                                                                                   So, FWIW according to this calculator, the 206/210 roller cam timing specs are                     Intake opening -7 BTDC                                                                                                  Intake closing 33 ABDC                                                                                                      Exhaust opening 35 BBDC                                                                                              Exhaust closing -5 ATDC                                                                                                        -5 overlap

Title: Re: Cam card?
Post by: quick72toy on July 14 2021, 04:04:07 PM

Sorry cant get this to format