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1972 comair bus

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4 months 2 weeks ago #250832 by Comair
1972 comair bus was created by Comair
Hi all,
I am restoring a 1972 CAC Comair bus for a museum, many years ago the engine was dismantled and now many items have been lost. The engine was a 6 cyl petrol 300ci possibly? It had the compressor for the brakes and pneumatic doors fitted on the rear of the timing cover. I have a 300 ci engine from another vehicle but it doesn’t have the compressor adaption, firstly are the engines the same? Can I retro fit the compressor timing cover to this engine? If so I’m chasing the front and rear timing cover, gear set and compressor. I also need the larger diameter forward facing thermostat housing. Pic for reference, any advice is greatly appreciated.

mark 

 
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4 months 2 weeks ago - 4 months 2 weeks ago #250836 by JOHN.K.
Replied by JOHN.K. on topic 1972 comair bus
Injector pump drive.....seems the petrol engine was available with the 330 timing gears .......so the lot should swap over .
Last edit: 4 months 2 weeks ago by JOHN.K.. Reason: correction
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4 months 2 weeks ago #250839 by Comair
Replied by Comair on topic 1972 comair bus
Just need to find the parts now
Cheers mark
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4 months 2 weeks ago #250843 by mammoth
Replied by mammoth on topic 1972 comair bus
Plenty of Bedford engines around, petrol and diesel, probably easier to buy a complete one
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4 months 2 weeks ago - 4 months 2 weeks ago #250849 by jon_d
Replied by jon_d on topic 1972 comair bus
Yes,  keep an eye on Marketplace, gumtree and ebay. They appear quite regularly and in various conditions.

My manual says that the time gears are similar to the 220 and 330 diesel. Except that the petrol camshaft drive is made of ally. The air compressor and timing case sections also refer to the diesel section.

Service manual TS1084 is what you need. Gasoline and Diesel Engines. TS1084

eg:    htt
ps://w
ww
.ebay
.co
.uk
/itm/31510
4483653        remove the dashes

 
Last edit: 4 months 2 weeks ago by jon_d.
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