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#1
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Urgent. 81' Cylinder Head with SLS pump. Transferable?
I just drove a good three hours for a cylinder head. It's replacing the head off a 78 non turbo. This head I'm looking at has the SLS pump attached. Is there a possibility I could still use it?
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#2
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The 78 non turbo will have different pre-chambers from the '81 => for these to match you need to have the right pistons and pre-chamber match. Read chapter 05-117 in the FSM.
You can in principle change the pre-chambers from the '78 into the '81 though (I think) but the chances of success are not very high mainly because you are likely to break something trying to remove the pre-chambers... ...I think it is possible to blank off the SLS pump hole and ignore that feature - but you need to check with some one else 'cos I'm not 100% sure about that.
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior ![]() Don't leave that there - I'll take it to bits! |
#3
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Thanks much. I love you guys lol
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#4
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If the SLS head is a non turbo, then you can use it.
Make sure it has the idle gear and shaft. Just use a cover plate from a 116/117 to cover the opening for the pump. If it is a turbo head, then the pre chambers are bigger.
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![]() 76 240 D. Bought in 1998 for $25. 85 300D. Got it for free with a bad engine. ( Sold ) 60 Unimog 404. What was left of it, was given to me. Now powerd by 617A. 88 560 SEL. Bought without engine and trans. Now powerd by 617A. 67 250 SE. Cuope. For resto or sale. 64 220SE. For resto. |
#5
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My non turbo (built at the end of December 1980) OM617 has the same pre-chambers as the turbo and the star shape in the piston crowns - not all of the non turbos are the same - you still need to check to make sure you don't fit a head with the wrong piston and pre-chamber configuration whether it is turbo or non turbo
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior ![]() Don't leave that there - I'll take it to bits! |
#6
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Turbo and 1980 on non turbo pre chambers may look the same, but turbo chambers are 16mm Φ and non turbo chambers are 14mm Φ.
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![]() 76 240 D. Bought in 1998 for $25. 85 300D. Got it for free with a bad engine. ( Sold ) 60 Unimog 404. What was left of it, was given to me. Now powerd by 617A. 88 560 SEL. Bought without engine and trans. Now powerd by 617A. 67 250 SE. Cuope. For resto or sale. 64 220SE. For resto. |
#7
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Ohh didn't know that - thanks.
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior ![]() Don't leave that there - I'll take it to bits! |
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