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253 HJ Air Cleaner / breather / hoses
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Hi
Couple of questions re air cleaner & breather setup
1st, What colour is the stock air cleaner, gloss or matt or satin black ?
2nd, What decals should it have, GMH & 253 or 4.2 Litre ?
3rd, Would / should an early HJ 10/74 aircleaner have the stove pipe spigot/pre heat set up
4th, Should an early HJ 10/74 have a twin spigot thermostat housing ?
Lastly, I have the crankcase breather filter installed in the air cleaner, do I need a 90deg fitting into it where it comes out of aircleaner body, then a realatively straight section of breather pipe to another 90deg breather elbow into the rear of the passenger side rocker cover ?
Thanks again in advance, I've learnt heaps from this forum
Cheers
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Satin. But gloss would work too.
4.2L. 253 ended with HQ.
ADR27 came in in about 9/73 so all engines from then until the end of 1974 were the same. They have the stove pipe setup. PCV air is on the 7 o'clock position with the hose going to the front of the driver side rocker cover. The choke fresh air comes from the top of the carb rather than the air cleaner like a 5.0L.
They are a single port. If you can find a copy of the 1980's Scientific Publications volume 147 HQ-HJ V8 it has a really nice glossy picture of a 1974 HJ 4.2 non-A/C engine bay on the cover. |
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Originally Posted by: HK1837  Satin. But gloss would work too.
4.2L. 253 ended with HQ.
ADR27 came in in about 9/73 so all engines from then until the end of 1974 were the same. They have the stove pipe setup. PCV air is on the 7 o'clock position with the hose going to the front of the driver side rocker cover. The choke fresh air comes from the top of the carb rather than the air cleaner like a 5.0L.
They are a single port. If you can find a copy of the 1980's Scientific Publications volume 147 HQ-HJ V8 it has a really nice glossy picture of a 1974 HJ 4.2 non-A/C engine bay on the cover. Thanks again Mine must be a bitsa, mine has the PCV valve front drivers side rocker cover but the pipe goes around to the back of the carb. I have a bretaher in rear of passenger side rocker cover that is roughly connected to the breather filter spigot in back of air cleaner body. I also have the twin port thermostat housing.
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The PCV at the driver side front is a LH Torana and ADR27A thing I believe. I'll check on the 2 port thermostat housing but I'm almost certain that is an ADR27A thing. The HJ has that single port going to the intake manifold on the driver side and then the heater hose goes to the other intake manifold port on the passenger side, from there to the heater tap. I can get you an image of it if need be. |
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Originally Posted by: HK1837 The PCV at the driver side front is a LH Torana and ADR27A thing I believe. I'll check on the 2 port thermostat housing but I'm almost certain that is an ADR27A thing. The HJ has that single port going to the intake manifold on the driver side and then the heater hose goes to the other intake manifold port on the passenger side, from there to the heater tap. I can get you an image of it if need be. Thanks again, that image would be great thankyou. I am wondering now if mine has had engine swap.
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Put up a photo of the engine. Create an ALBUM, add it in there and create a post adding an album image. The tool for adding an album image to a post is not in QUICK REPLY though, you need to click on POST REPLY right at the top. |
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Originally Posted by: HK1837 Put up a photo of the engine. Create an ALBUM, add it in there and create a post adding an album image. The tool for adding an album image to a post is not in QUICK REPLY though, you need to click on POST REPLY right at the top. Thanks, I will grab a couple more photos on the weekend & post them  Edited by user Wednesday, 13 September 2023 5:56:45 PM(UTC)
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That's a HX or later LX engine. It has the first ADR27A type intake on it and I assume it has the matching heads. |
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Originally Posted by: HK1837 That's a HX or later LX engine. It has the first ADR27A type intake on it and I assume it has the matching heads. Geez, that was quick, cheers I should look for an engine number & confirm
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Unless it has been chopped and changed it will be QR or HR prefix. |
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Originally Posted by: HK1837 Unless it has been chopped and changed it will be QR or HR prefix. Yes its QR306492 Doesn't QR also apply to HQ & HJ 253 ?, is there another number I should be looking for ? TIA
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That is a HQ engine. It has been rebuilt using HX heads and intake. |
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 Last question ! What is the rusty oval plate called ? bolts straight onto inlet manifold Has 2 pipes coming out, 1 goes to rear of carb, the other goes to the auto choke goober. The LH side pipe is loose, appears oversize & previous owner has filed it down to a taper to fit into the plate. Should both pipes be welded in ?, does it matter if 1 is loose ? Cheers
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Under that plate is a heat exchanger, just a pipe loop, that exhaust gas runs across between the heads. The carby uses manifold vacuum to suck air through the pipe via the heat exchanger. The pipe out the other side should be connected via rubber hose up to the top of the carby for fresh air. The auto choke operator has a bi-metal spring in it that heats up as the car warms up and then pulls the choke off. The best thing you can do with that engine if its a good runner is: But a good used or new Edelbrock Performer 4BBL manifold or a KC one,make sure either is the multifit type that suits all red, blue and black heads. Get a blue 4.2 Quadrajet (CXL coded) and get it rebuilt. Get a 4BBL air cleaner. HEI dizzy and coil, and bridge the ignition switch pink and yellow wires. Goss have aftermarket dizzy and coil really cheap. You can make it all look original if you like. Whilst the manifold is off inspect the cam for wear. It's a good time to replace it if it is. Good time to replace the oil pump too if the cam is worn. Those steel pipes are tapered originally to push into the heat exchanger. Edited by user Thursday, 14 September 2023 6:40:26 AM(UTC)
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If we all had the same (good) taste, who would buy all the Fords? |
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Joined: 15/09/2022(UTC) Posts: 73 ![Australia]( "Australia") Location: Perth Thanks: 33 times
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Originally Posted by: HK1837 Under that plate is a heat exchanger, just a pipe loop, that exhaust gas runs across between the heads. The carby uses manifold vacuum to suck air through the pipe via the heat exchanger. The pipe out the other side should be connected via rubber hose up to the top of the carby for fresh air. The auto choke operator has a bi-metal spring in it that heats up as the car warms up and then pulls the choke off.
The best thing you can do with that engine if its a good runner is:
But a good used or new Edelbrock Performer 4BBL manifold or a KC one,make sure either is the multifit type that suits all red, blue and black heads.
Get a blue 4.2 Quadrajet (CXL coded) and get it rebuilt.
Get a 4BBL air cleaner.
HEI dizzy and coil, and bridge the ignition switch pink and yellow wires. Goss have aftermarket dizzy and coil really cheap.
You can make it all look original if you like.
Whilst the manifold is off inspect the cam for wear. It's a good time to replace it if it is. Good time to replace the oil pump too if the cam is worn.
Those steel pipes are tapered originally to push into the heat exchanger. Legend, thank you I've never heard of GOSS ? Edited by user Thursday, 14 September 2023 9:02:45 PM(UTC)
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Originally Posted by: Taztiger4 Originally Posted by: HK1837 Under that plate is a heat exchanger, just a pipe loop, that exhaust gas runs across between the heads. The carby uses manifold vacuum to suck air through the pipe via the heat exchanger. The pipe out the other side should be connected via rubber hose up to the top of the carby for fresh air. The auto choke operator has a bi-metal spring in it that heats up as the car warms up and then pulls the choke off.
The best thing you can do with that engine if its a good runner is:
But a good used or new Edelbrock Performer 4BBL manifold or a KC one,make sure either is the multifit type that suits all red, blue and black heads.
Get a blue 4.2 Quadrajet (CXL coded) and get it rebuilt.
Get a 4BBL air cleaner.
HEI dizzy and coil, and bridge the ignition switch pink and yellow wires. Goss have aftermarket dizzy and coil really cheap.
You can make it all look original if you like.
Whilst the manifold is off inspect the cam for wear. It's a good time to replace it if it is. Good time to replace the oil pump too if the cam is worn.
Those steel pipes are tapered originally to push into the heat exchanger. Legend, thank you I've never heard of GOSS ? GOSS...? major manufacturers of aftermarket fuel system stuff (fuel pumps, injectors etc) who have also gone into supply of other engine parts - ignition stuff, engine sensors etc check out their website - https://www.goss.com.au/products/Edited by user Friday, 15 September 2023 9:27:59 AM(UTC)
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Club circuit racing...the best fun you can have with your pants on |
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I attended Goss's 80th anniversary celebrations back in August this year.
They are not well known in the retail space, but are by the trade.
Dr Terry |
If at first you don't succeed, just call it Version 1.0 |
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Here is a whole HEI kit. Allows you to use the original style HT-HZ leads and not use the big ugly HEI cap. I used this exact stuff on my HJ Premier, with Eagle 7mm leads. Just bought WB/VC plugs and set the gaps to original for those models. Pulled the ignition switch out and shorted the START and RUN terminals together by soldering a strand of copper wire across them.
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If we all had the same (good) taste, who would buy all the Fords? |
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Rank: Member
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Joined: 15/09/2022(UTC) Posts: 73 ![Australia]( "Australia") Location: Perth Thanks: 33 times
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Originally Posted by: HK1837 Here is a whole HEI kit. Allows you to use the original style HT-HZ leads and not use the big ugly HEI cap. I used this exact stuff on my HJ Premier, with Eagle 7mm leads. Just bought WB/VC plugs and set the gaps to original for those models. Pulled the ignition switch out and shorted the START and RUN terminals together by soldering a strand of copper wire across them.
??, no link Cheers
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Rank: Veteran
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Was thanked: 483 time(s) in 461 post(s)
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If we all had the same (good) taste, who would buy all the Fords? |
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