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Distributor points
Distributor points, what is the proper gap size? Easy to check and adjust?
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Remi Jakobsen 911T DP targa -71 (2.7L) Phone: +47 92844671 (Norway) |
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08-22-2012, 01:57 PM
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Posts: 2,948
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The "gap" is only a preliminary setting, done to a snug .016" (0.35mm) with the rubbing block of the points against a cam lobe (open). Once that's done the car should be started, and the dwell angle set. Dwell is the amount of degrees that the distributor cam turns from the time that the points close until they open. If you have a Bosch distributor the spec for the dwell angle is 38 +/- 3 degrees. It's better to set the dwell between 36 and 39 degrees. Don't forget to use a dab of high quality grease (such as Bosch distributor cam grease) on the cam before you button it up. Also, be sure to clean the contact points before you install them; they usually have shipping preservative on them and if you don't clean them the car might not start.
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Keep the Shiny Side UP! Pete Z. |
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08-22-2012, 03:44 PM
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Join Date: Dec 2008
Location: San Antonio, Texas
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stay to the low end of the dwell and don't forget to retime your car
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1973 911S (since new) RS MFI specs 1991 C2 Turbo |
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08-22-2012, 05:06 PM
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Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
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I reset the points 100-300 miles after install if i don't use the Bosch grease
If I use the grease i may have to wait over 500 miles before the points break in you'll know when to reset if you monitor your dwell
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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08-22-2012, 05:45 PM
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Or you can put in a Pertronix and never touch them again!
[this will probably bring out the anti pertronix crowd!!]
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RGruppe #79 '73 Carrera RS spec 2.7 MFI 00 Saab 95 Aero wagon stick 01 Saab 95 Aero wagon auto 03 Boxster 90 Chevy PU Prerunner....1990 |
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08-22-2012, 06:51 PM
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Bandwidth AbUser
Join Date: Nov 2001
Location: SoCal
Posts: 29,522
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I am a big fan of the Pertronix.
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Jim R. |
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08-23-2012, 04:24 AM
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Join Date: Oct 2006
Location: MYR S.C.
Posts: 17,321
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i like the points and not having something else electronic that can break.
fuel pump is the only thing that will stop me.....i hope
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86 930 94kmiles [_  _] RUNNING:[__] NOT RUNNING: ____77 911S widebody: SOLD88 BMW 325is 200K+ SOLD 03 BMW 330CI 220K:: [_ _] RUNNING: [__] NOT RUNNING:01 suburban 330K:: [_ _] RUNNING: [__] NOT RUNNING:RACE CAR:: sold |
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08-23-2012, 09:27 AM
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Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
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i've had the pertronix operating for about 8 years
have gone thru an alternator and an MSD box but no pertronoix i carry a spare pertronix and points
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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08-25-2012, 11:21 PM
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