jbcollier
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Everything posted by jbcollier
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Yup, he says: "Lotus series 2 and 3 cars with BMC and Ford pushrod engines are not normally fitted with thermostats." No other details. Just looking for personal (not anecdotal) experience.
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Crossflows in Lotus Seven S3s did not have thermostats fitted. Supposedly if you fit a thermostat they will overheat. I'm a retired, 35 year mechanic and I like thermostats. They provide quicker warm up and better heat dispersion while doing so. Can anyone confirm this is actually true? If so, any idea why?
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PS: thanks for your assistance! Now to cut it up so I can fit a small-block Chev in there... :-)
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All settled. It's a Universal Radiator made chassis and they used fusion welding, not brazing. John had it already in his system and is moderately confident it is the real deal. I think moderately is about as confident as you can get with any Seven, so I'm happy.
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Things are getting curiouser and curiouser. There is no stamping where the S3 usually has one (by the brake master cylinder). I figured, in for a penny, in for a pound, so I cleaned off the top of the upper rear shock mounts, cleaned off the top of the cross tubes in front of the seat bases, and cleaned off a one or two joints in the front compartment. First, there are no numbers at either of those locations. Second, the chassis is welded, not brazed (!!). So it is definitely not an Arch Motors chassis. Any thoughts?
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CBU is Chassis Body Unit. I'll check the rear damper top mounts. Thought that might be a Caterham thing but I'm new to all this. Thanks!
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First post! I've just bought a Lotus Seven S3. Serial number is LSB2383 but there is no body number that I can find. To me, the CBU looks like it has been changed but I would appreciate other more expert opinions. I'm not worried either way as both original and properly triangulated later production have their pluses. Here's a link to my photo album on the car. All the car shots are from the seller. Mine are the last three with the VIN plate (posted below, extra large), the place where the chassis number is supposed to be (by the master cylinder), and a photo of reinforcing by the lower a-arm mount. Does the VIN plate look original? Couldn't call it legible that's for sure. Any idea if the CBU is a replacement and, if so, by whom? Other places I should be checking?