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| Joined: | 03-17-2005 |
| Location: | Warmond, Netherlands |
| Posts: | 216 |
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the later lotus models came standard with this cooling fitting near Cyl. 4. Lotus 907 engines had a flaw in the cooling design as cyl 4 has the tendency to overheat .
the later cooling fitting at cyl 4 solves this issue. Like Greg said a 3 core radiator is highly recommended and the cooling opening to the block.
Garry Kemp built the rear cooling fitting in my 2.2L engine.
Garry also advised me to take an electric fan with thermostat and get rid of the yellow mechanical fan.... one gaines at least 5 HP because of it
cheers
erik