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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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Quote:
Originally Posted by trond
should not be required with EFI. Fuel rails are far away and fuel is circulated. Injectors themselves don't require the thermal spacers. Thermal spacers are required with carburettors. Also not easy at all to get thermal spacers I have noticed when I tried to find for my ITBs. Could not find anyone to sell them to me because of the CIS injector notch in the inlet...
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Only PMO manifolds will except the phenolic spacer because they have extra meat at the CIS notch area.
In the below pic was my solution, I used a spacer made of 3/16" aluminum plate to back up the notch.
Note that the two spacers are the wrong way around in the pic.
This is why you have to do this with stock carb manifolds. Without backing the CIS notch up the phenlic spacer will deform and cause a leak in this area.
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'74 Porsche 914, 3.0/6
'72 Porsche 914, 1.7, wife's summer DD
'67 Bug, 2600cc T4,'67 Bus, 2.0 T1
Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend.
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