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badassmini
 Post subject: duplex timing chain
PostPosted: Sat Nov 01, 2008 5:22 pm 
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998cc
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Joined: Sun Jun 11, 2006 2:15 pm
Posts: 604
Location: caboolture qld
will a 1100 duplex timing chain and gears fit a 1275. i know stupid question but i really don't know.

cheers

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Cheers Dan

FIRST COMES THE MONEY, THEN COMES THE POWER, THEN COMES THE WOMEN.!!
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drmini in aust
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PostPosted: Sat Nov 01, 2008 5:36 pm 
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Joined: Fri Mar 19, 2004 6:19 pm
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Location: near Baulkham Hills, NSW
An A series duplex chain and sprockets will fit any A series motor, from 850 block to 1275 block.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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badassmini
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PostPosted: Sun Nov 02, 2008 8:42 am 
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thanks Doc

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Cheers Dan

FIRST COMES THE MONEY, THEN COMES THE POWER, THEN COMES THE WOMEN.!!
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Rodney
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PostPosted: Mon Nov 03, 2008 9:46 am 
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Hey Doc....I'm probably wrong (bows to your far superior knowledge) but don't you have to replace some of the bolts that hold on that plate behind the timing chain, with countersunk screws - also got to countersink some of the holes??? But like I said, I'm more than likely 100% wrong.

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drmini in aust
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PostPosted: Mon Nov 03, 2008 11:22 am 
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Yeah you do need to countersink the 2 lower holes on the backplate, then use csk screws- either socket head or Phillips ones.
Also some timing covers foul on the chain inside, check and do cover surgery as needed.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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Rodney
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PostPosted: Mon Nov 03, 2008 5:57 pm 
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yay....the old grey matter isn't turning to mush after all. Cheers Kev

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