253 pollution manifold change - Holden General Discussion

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Fastlane » Holden Forums » Holden General Discussion » 253 pollution manifold change

253 pollution manifold change

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HK1837		#1 Posted : Thursday, 25 June 2009 10:52:31 PM(UTC)
Rank: Veteran Reputation: Groups: Moderator, Registered, Veteran Joined: 1/03/2005(UTC) Posts: 14,894 Thanks: 1 times Was thanked: 554 time(s) in 529 post(s)		Dragged across from FOR SALE forum. Does anyone know precisely when ADR27A red motor V8 manifolds changed design? From type with what look like water jacket barrels down the intake faces to flat? I think it occurred either at HZ release or VB Commodore release. _______________________________________________________ If we all had the same (good) taste, who would buy all the Fords?
		_______________________________________________________ If we all had the same (good) taste, who would buy all the Fords?


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gts308		#2 Posted : Thursday, 25 June 2009 10:59:37 PM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 8/06/2009(UTC) Posts: 217		Not sure but I know ADR27A came into effect on the 1st of July 1976. ADR27B was 1st January 1982 "We are but a grain of sand on the beach of life"
		"We are but a grain of sand on the beach of life"


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HK1837		#3 Posted : Friday, 26 June 2009 2:05:52 AM(UTC)
Rank: Veteran Reputation: Groups: Moderator, Registered, Veteran Joined: 1/03/2005(UTC) Posts: 14,894 Thanks: 1 times Was thanked: 554 time(s) in 529 post(s)		Its got nothing to do with introduction of ADRs (or at least I dont think it is), its a running change in ADR27A manifold design. _______________________________________________________ If we all had the same (good) taste, who would buy all the Fords?
		_______________________________________________________ If we all had the same (good) taste, who would buy all the Fords?


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JBM		#4 Posted : Friday, 26 June 2009 8:20:18 AM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 28/03/2006(UTC) Posts: 810 Thanks: 1 times Was thanked: 1 time(s) in 1 post(s)		The blue and black motors have the different EGR ports and manifolds to the red V8s. There are no 2 barrel V8 manifolds for blues and blacks. James You only have to be in front at the end of the race.
		You only have to be in front at the end of the race.


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