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31
Garage / Re: Restoration of 3940R
« Last post by Kendo on Monday,April 29, 2024, 01:22:14 PM »
That crossover pipe arrangement between the carbs and engine head is not original. Might still work for all I know.
32
Garage / Re: Restoration of 3940R
« Last post by 4129R on Monday,April 29, 2024, 12:58:54 PM »
The firewall behind the seats was made from fibreboard. It gets wet and falls apart.

Dig out all the wet and crumbling fibreboard and replace with 12mm ply and fibreglass over to seal the edges.

Replace the rubber straps under the seats with upholstery webbing about 40-50mm wide.
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Garage / Re: Restoration of 3940R
« Last post by berni29 on Monday,April 29, 2024, 12:26:17 PM »
Hi There

I stripped out the seats, hoovered up the copious amounts or rat/mice and what ever droppings. The seats will be stripped to the bare frames and sent off for blasting and painting. Do people modify them in any way before restoration? Like solid bases or metal straps instead of the rubber webbing?

One of the bases has been recovered and I like the look of the more pronounced stepping/stitching. I did see a pair of seats that had been redone in this style but I cannot find the pictures. Does anyone remember or know who it was?

Is the cardboard on the firewall at the back of the engine look original?

Also I have included pictures of the paint chipping. Does it look original? It seems to have a lighter coat underneath in places. I'm really not sure. It looks pretty thin.

Many thanks for any thoughts!

Berni

 
34
Off Topic Subjects / Re: Building a 1:24 model of a black Europa TC
« Last post by Bainford on Monday,April 29, 2024, 11:03:47 AM »
Nice work. A fine scale replica of your beautiful Europa. I am building one as well (as mentioned earlier in this thread) and hope to have it done a couple months. It is a nice kit.  :beerchug:
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Garage / Re: Parts Cross Reference and Windscreen and other dumb questions
« Last post by Bryan Boyle on Monday,April 29, 2024, 11:00:45 AM »
I thought I'd remind everyone that if you split the caliper, you should use the square section o-ring and not a regular round sectioned one. The square section ones are generally available where ever rebuild kits are sold and may be part of the rebuild kit.

Somewhere around, I have the torque figures (there are two different size bolts, and Girling never released the figures.  Easiest (closest) way to see what the torque should be is to use a beam torque wrench and note the break-away torque) to use in resetting the two halves together.  It's close enough.  Proper name for that seal is "Quad Seal" and usually not in the standard rebuild kits (since you're not supposed to split the caliper), but most of the usual suspects have them.

Photo has the part number (it's actually listed in the Elan part catalogue...hence the 026 prefix.  No, I save the parts bags the stuff comes in from Ray so I have a record of what I've done so far, and what still needs be installed).


Needless to say, rebuilding calipers is one of the more enjoyable repair jobs on these things.  OK, I'm strange. 
36
Garage / Re: Parts Cross Reference and Windscreen and other dumb questions
« Last post by BDA on Monday,April 29, 2024, 10:47:06 AM »
I thought I'd remind everyone that if you split the caliper, you should use the square section o-ring and not a regular round sectioned one. The square section ones are generally available where ever rebuild kits are sold and may be part of the rebuild kit.
37
Garage / Re: Parts Cross Reference and Windscreen and other dumb questions
« Last post by Bryan Boyle on Monday,April 29, 2024, 10:39:12 AM »
Spent another weekend working on my '71 S2 and more good progress was made. The front and rear suspension, steering and gear linkage is all good to go. Just needs a nut & bolt check, going over to check all torque settings are correct and I need a small piece welded for the rear gearbox mount. A few other small jobs and I'll be ready to put the body back down on the [new] chassis.. for the first time in 15 years :)

Don't forget, there is a small (3/16" tall) spacer UNDER the heim/ball joint on the end of the shift adapter off the end of the transaxle.  If you just snug up the nut on the joint...the joint will bind against the nut and loosen up in the arm.  Not that it won't shift properly, but the joint will always be loose.  See first photo.

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I'll be ordering new silicon hoses from Banks shortly, but I also need a new radiator. Does anyone know which ones fit? I unfortunately no longer have a radiator at all, so have nothing to compare it to and I'm assuming something like a VW polo rad' will fit?

Patterned radiators (aluminum) are all over EvilBay like flies on you-know-what.  That's your best choice: the mounts are in the right place, the baffle is where it needs to be, the hose connections are on the right side and in the right place, and, from the few I've seen, they just fit, rather than trying to make something work that was not meant to go in that space.  Also, don't forget to reinistall the fiber closing pieces at the rear of the nose that cover the steering rack and so forth.  If you don't...you won't pressurize the chamber enough to get airflow through the radiator and you will overheat.  If they've gone walkabout...make some.  I used 24 thou sheet aluminum.  See photo 2.

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Brake pipe to the rear, do you run the pipes through the chassis? I'm assuming you do, but someone might have a better idea?

As BDA said, from the factory they ran under the backbone.  Some, as he said, mount them up on the side.  However you do, use padded Adel ("P") clamps so 1) you don't get dissimilar metal corrosion and 2) a more secure mounting.  See last photo below for example.  If you do run new kunifer line, the original "T" clips are probably past their 'sell-by' date, so I'd go with the proper size adel clamp and use the holes the "T" clips were in to locate the adels and use stainless sheet metal screws to attach.  (in fact, unless it's structural fittings, I replace all the oem steel screws, washers, and such with stainless.  But that's a different story so I don't thread hijack...)

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Windscreen surrounds: Mine is very ugly. The silver plastic is massive and just doesn't look very nice. Is there a better option?
I'm still a way off of having to worry about such things, but I think it every time I look at it! :)

You are limited by your imagination.  Some re-set the window and fill in the gap with urethane and get chrome trim that sticks on/glues on to cover the joint.  Others save the original trim (since it's been long (as in since the late 80s) unavailable) and do a chrome vinyl wrap, others?  If you do attempt to remove the windshield...take your time.  As I work around the periphery, I use wood shims to hold the glass (or plastic...depends on what you find at the hardware store) away from the cut mastic/butyl.  Remember, the fragile part of the glass is the edge; nick the edge and you will get a runner.  Time, patience, and minimizing the use of metal tools will go a long way. 

In the end, it's your car...what makes you happy?

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Oh and the final dumb question is the callipers/disks are from a Triumph Spitfire, right?

They are the same body...but the drillings for the bundy connection are different, so if you use Spit calipers, you'll have to bend up new hard pipes to go from the flex hose to the caliper.

But if you still have yours...they can be overhauled, repaired, and will work fine.  The pistons aren't a close fit in the bores...there's a quad seal in the cylinder that centers the piston in the bore, and with some judicious cleaning up, new seals, a lick of paint (if you want...I did mine in red just because...) and you're good to go.  I've never tossed what looked like trashed calipers...always was able to return them to use.  Haven't tossed one yet.  Stainless pucks, new seals, new bleeder, set of pads, pins, anti-rattle...takes an hour or so to do both of them once they're cleaned up and painted.  I always preferred using the originals since the fluid inlet was where it was designed for in the car (in the center of the back) and the bleed was where it needed to be (at the top) to make it easier to get working.  Just a thought.
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Garage / Re: Apprpos Nothing: Pilgrimage Day
« Last post by Bryan Boyle on Monday,April 29, 2024, 10:14:35 AM »
Gee, I guess I have to modify my image of RD Enterprises being a big box store with acres of shelves of Lotus parts and greeters in Lotus shirts meeting you at the door like Walmart. Hmmm.
Tom

One wishes that was the case, but no, it's the "Lotus Barn" with Ray and George on the second floor looking out at the driveway.  I like stopping by and talking bits and pieces...He's celebrating his 50th year in operation...and no signs of slowing down, unlike the rest of us. 

(Photo from 2008 when I stopped by on a drive around to clear my head and taking a break while working on stripping 693R for paint.  And, yes, that Lotus regalia teddy bear on the backbone is still riding with me...lol.)


39
Garage / Re: What's this??
« Last post by Bryan Boyle on Monday,April 29, 2024, 10:10:07 AM »
That appears to be on the right side of the car, just above the steering rack.

What diameter is the tube?

It looks too big to be a brake fluid pipe, so it must be something to do with the cooling system, and seems to be the same size as the heater pipes connected to the chassis. It is not original, so you need to find out where the other end is, around the passenger footwell.

Vacuum feed for the single booster that was an option for the ROW S2s?  IIRC, that booster was mounted up front.  I'd check in the engine room for the other end, you may find it that's what it was for...just spitballing.

Might be a good way to get a heavy gauge cable to the front if you're thinking of upgrading your headlights and putting them on relays...just sayin'. 
40
Garage / Re: Parts Cross Reference and Windscreen and other dumb questions
« Last post by BDA on Monday,April 29, 2024, 09:31:16 AM »
buroz, in case you haven't found the thread I mentioned (there are a lot more threads with "surround" in them than I figured!), here's the one I was talking about (https://www.lotuseuropa.org/LotusForum/index.php?topic=6494.msg69979#msg69979). Reply #22 has the link to Brit ebay that has an inexpensive surround.
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