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Posts
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Location
Houston
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Interests
7s
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Occupation
If I told you, I'd have to buy you a drink
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Se7en
1996 Caterham Xflow Live Axle
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IamScotticus started following Lotus 7 chassis prints , Westfield Demise Part 2 , Birkin Listing and 1 other
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Saw on FB 7spot the recent Westy revival isn't gonna make it. This interview video will post on the 17th. They had a good engine.
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Caterham A Frames - check them as part of your annual maintenance
IamScotticus replied to Croc's topic in General Tech
I don't understand how, for the same reasons one would NOT use a Powerflex bush, that one would opt for a hard spherical or rose joint. To harden one point to the detriment of the next? Yes the A-frame to chassis mounts have bushes, but rather thin ones. Do these suffer too much by the use of a spherical at the center? -
Working out idle is a very hands on process done by feel and giving the engine what it likes. I would stick to the good books and Tuning guides you get from Pierce Manifold and others and avoid rabbit holes. This is a light car so you aren't rolling through the dead spots like a 4K pound car you will feel everything. If you're going to err, err on the side of rich. At least you won't melt anything. There are other things here I would like to critique, however. This car shakes and vibrates; everything moves. This is why Caterham used steel brake lines. I have identified points where your heater hoses may be in danger of abrasion. Also, I think the crankcase vent breather filter is likely going to become an oil collector/dripper in that position. I recommend a longer vertical position or routing it to a mounted catch can/breather, even if you do have the OEM oil separater in place. The upper rocker cover vent can also benefit from routing to a collector. Both of these can be routed into a single catch can/breather. It will keep the engine bay cleaner. I also see a spark plug lead very close to a hose clamp that will get cut into. The rule is, if you can wiggle it, the car is wiggling it. Wiggle and see what rubs, comes lose and how now before it breaks on the road.
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Members can go to Will's profile and search for all his contributions. He gas a website with much of his research posted there. https://www.anglocanadianlotus7.ca/
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Saw this here, no affiliation. https://texasjdm.com/collections/enthusiast-vehicles/products/1994-birkin-seven
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That would be very helpful. Josh beat me to these by a few hours. But I'm glad he has them as he's putting together a Seven museum. They will be very nice displayed somewhere. Im thinking of sending him the S4 model I got from you.
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I wonder where we go when the answers found using AI are taken as absolute and infallible truth, regardless. Also, AI does not have tact (neither do I). The truth can hurt a lot of feelings. The truth can make people snap. Useing AI as the weapon of proof that someone is inferior or a belief is deleterious to a peaceful society thus deserving of disparate treatment, the civil wars will ignite.
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PM sent
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Noooo! You don't have to remove those. The scuttle isn't attached to the dash hoop. The scuttle is hard attachto the frame on these three places. The firewall is not fastento the chassis, it sits in a groove. Drilling out the front rivets isn't necessary, it just makes it easier depending on how much stuff you would have to take off the firewall. Leave those dash rivets in place. Sending a PM.
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Please excuse my numbers, I shouldn't drink and forum. You are correct.
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Likely a silicone sealer to prevent water ingress. Most likely will have to cut through it with a wire or metal blade. Possibly a length of string will work. Remove and reapply if desired. This may be a good time to do the easy scuttle removal mod. Drill out all 14 or so rivets along the front firewall edge and insert 5/32 (or close to the original rivet size) rivet nuts. The holes in the firewall will need drilling larger for the rivnuts. There are button head screws that look like rivet heads to replace with. My 2 cents.
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1990 Super Seven roll bar bolt question
IamScotticus replied to greasymonkey's topic in General Tech
On harness mounts there are center standoffs to keep the buckles off the frame and swiveling. Also eye bolt and gate latch types. If you can, I would follow the bottom of the bolt with a nylock nut and washer as a safety against shear and walk out. Not tight. 20 lbs ft is 6" wrench snug.
