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Fred Offline
#1 Posted : Monday, 1 October 2007 10:51:40 AM(UTC)
Fred

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Just wondering if anyone has ever heard of this setup before, twin side draft webbers on a 253/308 Holden engine. You can view the setup by coping and pasting my photobucket picture address below.



http://i109.photobucket....ingoingon/308Webber.jpg

God is Dog spelt backwards.
JBM Offline
#2 Posted : Monday, 1 October 2007 4:22:22 PM(UTC)
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Twin side draft webers were used by HDT at Bathurst in 74. Manifold used was 1 piece. For 253 might be too much carby unless correctly jetted down and tuned.

James


You only have to be in front

You only have to be in front at the end of the race.
trubluhq Offline
#3 Posted : Monday, 1 October 2007 7:56:02 PM(UTC)
trubluhq

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I think they were Group C setups for Torries. Prob too much for a 253 as JBM says, but I reckon a single webber would be a nice setup. UNless of course you can stagger the opening. But 253s dont really get the revs u need to suck that much air/fuel. Also
HQforme Offline
#4 Posted : Monday, 1 October 2007 10:59:30 PM(UTC)
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That would be cool and a bit different. Weber do make tiny totts, little 36mm downdraught IDFs...not sure if they do the same sidedraught though. A couple of those would probably do a 253.
"Silly modern cars"
HQforme Offline
#5 Posted : Monday, 1 October 2007 10:59:30 PM(UTC)
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That would be cool and a bit different. Weber do make tiny totts, little 36mm downdraught IDF's...not sure if they do the same sidedraught though. A couple of those would probably do a 253.
"Silly modern cars"
Guest
#6 Posted : Tuesday, 2 October 2007 10:43:15 AM(UTC)
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Now you have me interested in fitting it to our 253 and like you said use smaller webbers, well at least we can buy it and experiment.
http://i109.photobucket....gon/253Webbersetupp.jpg
http://i109.photobucket.com/albums/
Fred Offline
#7 Posted : Wednesday, 3 October 2007 1:21:17 PM(UTC)
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For anyone whose interested, Redline sell the following for Webber carburetors.
PART NO. 12-308/12-100 To suit Holden 253-308 Red, Blue, Black motors. Manifold designed to accept 4 x 44 or 48 IDF Weber Down Draught Carburettors.
LINKAGE KIT P/NO. 42-
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