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HK1837 Offline
#21 Posted : Wednesday, 24 February 2010 6:09:19 PM(UTC)
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I think so, just trying to confirm for sure as I have some reservations like Paul has expressed above as it makes sense. However I have found at least 1 x 7045281 (the 3124 coded one) without the rear vacuum port on the back which appears to be a pre ADR27 thing. It is entirely possible I need a 1973 dated carb with a 1974 date code.
Sorry for a boring topic Frank, I agree carb numbers is a real bore. Normally id not worry too much for the correct numbersed carb but if im going to spend around $400 restoring a carb it may as well be the right one especially since they are not a valuable or sougt after carb number (yet anyway) and all my others of this type are HT, HG and HQ which people want for those Monaros.

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If we all had the same (good) taste, who would buy all the Fords?
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If we all had the same (good) taste, who would buy all the Fords?
justgm Offline
#22 Posted : Thursday, 25 February 2010 4:26:40 AM(UTC)
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GMNZ bulletin 166 july 1975 ( remember NZ allways behind Aussy dates ) shows LH 308 carb with man trans blank off plug on lower rear port where auto trans modulator line would go , Bulletin also lists 1 part number for 308 carb !! Later bulletin 23 sept 1976 lists quadrajets for Holdens , 7029281, 7029282 , 7041281 , 7041282 , 7043283 , 7043284 , 7045281 , ( 68--75 ) 17056280 76 -- . Mark .
life is good in "Wine & Holden Marlborough "
justgm Offline
#23 Posted : Thursday, 25 February 2010 4:33:04 AM(UTC)
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Do not know what happened to last bit of my post , was ment to be 17056280 , 76 onwards . Mark
life is good in "Wine & Holden Marlborough "
HK1837 Offline
#24 Posted : Thursday, 25 February 2010 7:31:28 AM(UTC)
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Done some more research. At this stage it looks like early HJ auto (pre canister) used the same carb as the late HQ auto ie 7043284. Early HJ parts catalogue confirms this too ie lists the same carbs for late HQ and HJ (presume 7043283/4). Later HJ parts catalogue lists 3 x different styles of carby - early (as per 10/74 catalogue), middle with ADR27 (presume 7045281) and late for ADR27A (same as HX).

The only confusing bit is the middle HJ with canister (and ADR27). The vacuum advance port on the front of the earlier auto carbs (7041282 and 7043284) is connected to full vacuum. However in the 7045281 carb this same port appears to be a ported vacuum port. On the auto 308 it has the canister connected directly to it, and on the manual there is a T-piece for canister and distributor vac advance. On the auto the dizzy vac advance is connected to the port on the rear, manual has this plugged with a bung. What I dont understand is why different carbs are listed for auto and manual in ADR27 HJ when they appear to be the same carb? Maybe there is something else different on the auto carb, as you say Mark like lower rear port for auto trans - however I thought this went onto the Xmas tree at the back of the manifold??

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If we all had the same (good) taste, who would buy all the Fords?
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If we all had the same (good) taste, who would buy all the Fords?
justgm Offline
#25 Posted : Thursday, 25 February 2010 6:04:47 PM(UTC)
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HJ . 4MV quadrajet , Intial production carbs are the same (as HQ ) except throttle control lever which is modified cable type .
With the intro of evaportive emissons , q-jets will have the external vent valve removed , The float bowl will be vented internally in the carb , Vacuum control for the vacuum purge valve diaphragm will be taken from tee connected in the vacuum advance line on man ,The vacuum port used for auto will be pluged .
Auto models will use both outlets , the outlet below throttle valve is connected to dist vacuum , and the outlet above the throttle valve is connected to the vacuum valve on the purge canister . Hope this helps Mark.
life is good in "Wine & Holden Marlborough "
playwme Offline
#26 Posted : Wednesday, 17 March 2010 5:41:52 PM(UTC)
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Heres the numbers off my 8-75 Statesman carby which I have no reason to think its not the original one.

7045281
0175
HK1837 Offline
#27 Posted : Thursday, 18 March 2010 2:24:15 AM(UTC)
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That is right for a 1975 308. It should have no external bowl breather and the vacuum advance should be off the rear, with the canister off the front. Its a different carb to a 1974 308.

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If we all had the same (good) taste, who would buy all the Fords?
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If we all had the same (good) taste, who would buy all the Fords?
cloudy Offline
#28 Posted : Thursday, 18 March 2010 4:13:33 AM(UTC)
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my 9/75 HJ Statesman is still running the original unrestored engine the carb reads 7045281 and 8894 or 3394 hard to read.
cloudy Offline
#29 Posted : Friday, 19 March 2010 11:15:24 PM(UTC)
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bump
HK1837 Offline
#30 Posted : Saturday, 20 March 2010 12:28:48 AM(UTC)
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Cloudy

That would be correct for a 1975 HJ with a canister. Not correct for a 1974 though.

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If we all had the same (good) taste, who would buy all the Fords?
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If we all had the same (good) taste, who would buy all the Fords?
Tonyl66 Offline
#31 Posted : Sunday, 28 September 2014 8:44:19 AM(UTC)
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7029282 ZB is an auto HG carb from early 1971.

7029282 ZB Rochester carbie, does anyone know the difference between the 350 auto and the 308 auto carbie number as the last number 2 designates this carb as an auto. The HG parts book lists the Rochester as a 308 & 350A and 350M
HK1837 Offline
#32 Posted : Sunday, 28 September 2014 8:05:52 PM(UTC)
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7029282 ZB (earlier have 29282 ZB as they aren't Rochester build) is the auto HT-HG 308 carby. 350 auto is 7029284 ZD (early is 29284 ZD). I've only ever seen two of these, one early one (probably Carter build) and one later one with the 70.
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If we all had the same (good) taste, who would buy all the Fords?
sen57r Offline
#33 Posted : Thursday, 2 October 2014 5:36:48 AM(UTC)
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I have a 7029281 it has no letters after the number, date code 2179 would this be a ht 308 manual carb?

Edited by user Thursday, 2 October 2014 5:37:27 AM(UTC)  | Reason: Not specified

HK1837 Offline
#34 Posted : Thursday, 2 October 2014 7:28:27 PM(UTC)
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Can you send me a photo of the numbers?

I'll PM you my email.

It is a strange combination of code and date code to be missing the ZA. There were no 308 manuals at all early in HT (only auto) hence why I believe there are no 29281 carbs, most of these past about 2009 have the 70 on them, but I've not seen a broadcast sheet code missing outside of very early HT.
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If we all had the same (good) taste, who would buy all the Fords?
sen57r Offline
#35 Posted : Friday, 3 October 2014 4:17:59 AM(UTC)
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email sent

Edited by user Friday, 3 October 2014 6:44:18 AM(UTC)  | Reason: Not specified

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