MGB & GT Forum
Water pump dimensions 1970 MGB
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 Ninderry, KabiKabi country, Queensland, Australia
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Apr 18, 2024 05:55 AM
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Apr 18, 2024 09:10 AM
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There are two MGB 5 main water pump, 65-71 (long nose) and 72-80 You can tell by the water pump pullet which one you have.
The short w/p for 72-80 has the more shallow w/p (1st and second pics) 2nd pic shows where a machine off the smog pump belt groove
The long w/p for 65-71 (pictures 3-7 show the early long pump pulleys, both early one groove non smog pump pulley and as well the last picture show the 68-71 long pump two groove pulley.for use with the smog pump
Last but not least, you can't mix and match pulleys, the short, and long water pump will only work with correct long or short pump pulleys. So by showing you the differences in the pulleys, you should be able to tell which pump you have.
Hope this helps.
Hap Waldrop
Acme Speed Shop
864-370-3000
Website: www.acmespeedshop.com
hapwaldrop@acmespeedshop.com
Edited 1 time(s). Last edit at 2024-04-18 09:12 AM by Speedracer.
The short w/p for 72-80 has the more shallow w/p (1st and second pics) 2nd pic shows where a machine off the smog pump belt groove
The long w/p for 65-71 (pictures 3-7 show the early long pump pulleys, both early one groove non smog pump pulley and as well the last picture show the 68-71 long pump two groove pulley.for use with the smog pump
Last but not least, you can't mix and match pulleys, the short, and long water pump will only work with correct long or short pump pulleys. So by showing you the differences in the pulleys, you should be able to tell which pump you have.
Hope this helps.
Hap Waldrop
Acme Speed Shop
864-370-3000
Website: www.acmespeedshop.com
hapwaldrop@acmespeedshop.com
Edited 1 time(s). Last edit at 2024-04-18 09:12 AM by Speedracer.
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