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Ive been rebuilding a red 253 and now its time to buy 2 last products, an intake manifold and a carby. Can others with previous 253 experience suggest a good carby/manifold combination to use for everyday driving and pulling a 580kg teardrop camper.
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Get a rejetted quaddie same as the later Commodores and 4 barrel manifold to suit your heads. Holleys are prone to fuel leaks and need constant tuning. Get your dizzy adjusted as well to suit.
James
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You only have to be in front at the end of the race. |
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I fully agree with JBM. I have a four barrel manifold with a recon quaddie and it works really well.
Previous 390 holley had fuel leaks.
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Hi Guys, Later Commodore, which year is better and do I just ask for a 4 barrel manifold to my red 253 like are the red 253 4 barrel manifolds all the same. Thanks Mary
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If you get a Quad from a VB or VH 253 the jets will already suit your engine.
There are 4 main types of Holden V8 head and your manifold needs to match. Theres pre pollution with no EGR ports, the HX onwards EGR heads, the blue/black heads that have a different EGR port and finally VN heads with even port spacing.
Most after market V8 manifolds are 4 barrel.
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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quote:
Originally posted by JBM
If you get a Quad from a VB or VH 253 the jets will already suit your engine.
James, this is why HotRodder2 said Later Commodore, the VB 4.2 V8 didnt get a Quadrajet. They were a red motor with a WW Stromberg 2-barrel, same as HX/HZ etc. The only models which got a 4.2 V8 with a Quaddy were VC, VH & WB. Dr Terry |
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Try not to use a pollution red 308 manifold. Buy an Edelbrock Performer or Kilkenny Castings 25308 manifold. The pollution 308 manifold is pretty crook.
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Sorry my typo should be VC and VH.
James
You only have to be in front at the end of the race. |
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Joined: 7/08/2025(UTC) Posts: 1 ![Australia]( "Australia") Location: Victoria
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Can anyone tell me what casting number on a 12/77 hz 253 m20 manual panelvan would be? I have a few 2barrel manifolds here with 9945690 88 ……….and 9932888 Also manual 2 barrel carb number I’m led to believe it’s 23 3112 7 43 Edited by user Friday, 22 August 2025 9:34:30 PM(UTC)
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