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Re: S2 rear window defroster fuse size
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On Mar 23, 2023, at 11:30 AM, Rich Flowers <richnpeg@...> wrote:
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Re: convert 2.0 to2.2
Rich,
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AND NEW PISTONS. The longer STROKE crank will push the stock 2.0 liter rod & piston combination higher up the bore, poke it 'out' of the top a little ways, and the pistons will collide with the cylinder head, which doesn't like to move. The engine just locks up, and the starter can't do anything about it. Worst case, the pistons might get into the valves, depending upon the crown shape and the depth of any valve relieve pockets. In order to prevent that, either: 1) Shorter rods, or... 2) Pistons with the wrist pin bore located higher... must be installed. Lotus chose to keep the stock rods, so all stock, OEM 2.2 liter engines have pistons with higher wrist pin bores. While you are buying new pistons to accommodate the longer stroke, you may as well shop for a higher compression ratio while you're at it. Regards, Tim Engel 02/09/2023, 6:22PM, Rich Flowers, <richnpeg@...> wrote: Wondering what is needed in switching a 2.0 engine to a 2.2 other than new crank and new crank bearings |
Re: S2 Radiator Fan Upgrade
开云体育Thanks to everyone for those thoughts.?One (likely minor) point I did not mention is that I am operating a domestic spec car in NA so it does not have the federal spec engine bay fan etc. I will shop for some Spal's and consider installing upgraded wiring.? I think I will test that solution first before I investigate exotic coolants.? The engine does run nice and cool as long as the car is moving so my assumption is that a fan upgrade will do the trick. Ian. |
Re: S2 Radiator Fan Upgrade
Local boiling is troublesome when present in significant measure, however these engines are very well engineered in every fundamental sense including cooling. The claimed benefit from Evans is therefore theoretical in this context and I will not consider it for my cars. Esprit are not inherently problematic in terms of cooling unless faults in need of rectification are neglected. Tune it right, fuel it right, and keep all in functioning order and you are good.?
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Re: S2 Radiator Fan Upgrade
It does not cool as well as conventional coolant. If your cooling system is not already up to the job, waterless coolant will make the overheating worse.I don't know that I completely agree with that statement. My understanding was that the water in a conventional system can boil locally near the hot spots, like around pistons. That causes the pressure in the system. Steam doesn't really conduct heat. The water pump isn't as efficient when there is air trapped in the coolant. With the Evans, the coolant is less likely to boil, and therefore is able to conduct the heat away from the hot parts better, and the pump is able to pump the fluid more efficiently. It's a really good leak finder.Yeah, at $45 a gallon, leaks are painful. Bill -----Original Message----- From: [email protected] <[email protected]> On Behalf Of Paul Compton Sent: Monday, January 23, 2023 11:08 AM To: [email protected] Subject: Re: [S1S2euroS3LotusEspritOwners] S2 Radiator Fan Upgrade On Mon, 23 Jan 2023 at 15:29, Bill Galbraith <Lotus@...> wrote: Finally, you might consider using Evans Waterless Coolant. I use that in several cars, and have had no problems. I like that it doesn’t require periodic replacement, and has excellent thermodynamic properties.Waterless coolant is frequently misunderstood. It's not a miracle product. It does not cool as well as conventional coolant. If your cooling system is not already up to the job, waterless coolant will make the overheating worse. On the other hand, it won't boil until 180C, so you won't have the situation of not having enough cooling and then suddenly almost no cooling as the coolant boils. It might save your engine if your fans fail whilst stuck in traffic, but the engine might eventually get hot enough to cause damage anyway. It's a really good leak finder. It doesn't generate much system pressure, so hoses and seals have an easier life. It requires a completely water free system. You need to use a preparation fluid to remove any water first. -- Paul Compton www.paulcompton.co.uk (YouTube channel) -- This email has been checked for viruses by AVG antivirus software. www.avg.com |
Re: S2 Radiator Fan Upgrade
On Mon, 23 Jan 2023 at 15:29, Bill Galbraith <Lotus@...> wrote:
Finally, you might consider using Evans Waterless Coolant. I use that in several cars, and have had no problems. I like that it doesn’t require periodic replacement, and has excellent thermodynamic properties.Waterless coolant is frequently misunderstood. It's not a miracle product. It does not cool as well as conventional coolant. If your cooling system is not already up to the job, waterless coolant will make the overheating worse. On the other hand, it won't boil until 180C, so you won't have the situation of not having enough cooling and then suddenly almost no cooling as the coolant boils. It might save your engine if your fans fail whilst stuck in traffic, but the engine might eventually get hot enough to cause damage anyway. It's a really good leak finder. It doesn't generate much system pressure, so hoses and seals have an easier life. It requires a completely water free system. You need to use a preparation fluid to remove any water first. -- Paul Compton www.paulcompton.co.uk (YouTube channel) |
Re: S2 Radiator Fan Upgrade
开云体育Ian, ? I used Spal fans when I rebuild my cooling system. It requires more power, so I ran a 10 ga. wire to the front for the fans, as they pull many amps. I could look up the specs for the fans that I used, and pictures of how I mounted them if desired. ? At the same time, I ran another 10 ga. wire and rewired the headlights. Headlights don’t perform well when voltage drops below the design voltage, but the fans are quite capable of performing. I replaced all of the relays and placed fuses and relays inside 2 boxes. Factory stock? Nope. Much better than factory? Yep. ? Another thing that you might consider is the hot climate modifications, which include the temperature switch and thermostat. The operate at lower temperatures to get working before the coolant heats up too much, in an attempt to prevent it getting out of hand. ? Finally, you might consider using Evans Waterless Coolant. I use that in several cars, and have had no problems. I like that it doesn’t require periodic replacement, and has excellent thermodynamic properties. ? Bill ? From: [email protected] <[email protected]> On Behalf Of webdudeca via groups.io
Sent: Monday, January 23, 2023 9:18 AM To: [email protected] Subject: [S1S2euroS3LotusEspritOwners] S2 Radiator Fan Upgrade ? Folks, |
S2 Radiator Fan Upgrade
Folks,
Last year I re-cored my radiator as part of an engine-out rebuild and I found a noticeable improvement in cooling - as long as the car was moving - but still found cooling marginal when stuck in traffic on warm days.? I have the rad out now in preparation for upgrading the fans.? Are there any recommendations regarding fan upgrades before I place an order?? Thanks in advance. Ian Munro 1978 JPS Commemorative #32 |
Re: Inner Tie Rod Ends
开云体育?I’ve been told by Jay at JAE probably in the last year or so that they had both rebuild kits as well as new units ($500 or so, basically a wash compared to SJ). They might be a good stateside start. As said, not a cheap or easy fix either route. Best of luck.? Eric CEH From the iPhoneOn Jan 5, 2023, at 13:48, Skipro <myesprits1@...> wrote:
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Re: Inner Tie Rod Ends
开云体育Yeah, the nightmares are coming back to me. ? One of the big problems sometimes is getting that U-joint off, so soak it in penetrating fluid a couple days before you start if you can. The best penetrating fluid is a 50:50 mix of acetone and ATF. ? I think I had to do the same thing with studs instead of bolts, at least a stud for the bottom nut, in order to get the nut plate in place to be able to get the top bolt in. ? A long time ago, some one pointed out that you want to adjust the rack to have the tie rods level if possible when the car is sitting on the ground with a driver and passenger if that is normal for you. It prevents that steering wheel shake at 50-60 mph. ? You can get the offside bush from the usually places, but to install it, you have to disassemble the rack. I think I tried slicing one in half so that it would go over the rack with it in place. It is held together by the tube. Don’t remember if that worked or not though, so use at your own risk. Arrange that the rack is sitting on the lower half, and the split is horizontal. ? Good luck, Bill ? ? ? ? From: [email protected] <[email protected]> On Behalf Of palmer.jeff@...
Sent: Thursday, January 5, 2023 3:29 PM To: [email protected] Subject: Re: [S1S2euroS3LotusEspritOwners] Inner Tie Rod Ends ? A couple of more points.? As Bill mentioned it is a bit of a challenge to align the bolts with the nut plates on reassembly especially if you have new rubber clamp bushes. To make reassembly much easier, I replaced the bolts with studs. |
Re: Inner Tie Rod Ends
A couple of more points.? As Bill mentioned it is a bit of a challenge to align the bolts with the nut plates on reassembly especially if you have new rubber clamp bushes. To make reassembly much easier, I replaced the bolts with studs.
Also, I did not but should have marked the position of the U joint with respect to the pinion housing before disassembly. Jeff 139H |
Re: Inner Tie Rod Ends
I rebuilt mine last year.? Be sure to get the shims back in same place and mark position of rack on the mounting structure as I recall there is some up and down adjustment.
The really stupid thing I discovered late in the process is that the nut plates can be removed from the top and that you can maneuver the plate position from the top when aligning the nuts for reassembly.? I initially thought that the nut plates were completely encased in the chassis structure and fiddled with various methods to align the nuts without simply using my finger from the top to do the alignment.? Really dumb on my part and spent the better part of an hour fiddling. You might want to consider looking at the plastic bush at the end of the rack on the passenger side before purchasing all the rebuild parts.? I purchased all the parts from JAE before disassembly.? ?I found that the plastic bush was gone, which of course resulted in a huge amount of play on the passenger side.? In retrospect, I could have just installed the plastic bush and all would have been fine, but since I had the rack disassembled and all the parts available, I replaced everything. Jeff 139H |
Re: Inner Tie Rod Ends
开云体育Yeah, it’s a real fun job to get that rack out, and back in… NOT.? ? I’ve attached several pictures that I have, but did not generate. I probably got them out of the Files section, and my first guess would be that Tim generated them. I have this document that shows the rack. I’m not sure if our rack is from a 73 Plymouth Cricket, but if it was, good luck finding THAT. Still, it gives you an idea of the basic layout. ? SJ has a LHD rack (NEW) for $400 plus postage, if that is more attractive to you. ? You might consider ordering some other parts at the same time, such as the outer tie rods, boots, etc. I think there is a substitute boot available, but I don’t seem to have a quick reference on those. You might check the email archives. Please report back if you find it. ? I had issues with the nut plate holding the rack in place. Mine were pretty rusty, and one nut was striped. Also, getting the bolts to catch the nuts was pretty tricky, as the bolts weren’t real long, and you are trying to hold the rack in place. I think I ended up with some rubber hose behind the nut plate to force it to the front of that box that they are in. You’ll understand it more when you release the 4 bolts holding the rack in place. I think you also have to bent the nut plates to get them in and out. Of course, if yours are in good condition, not required. ? Bill ? From: [email protected] <[email protected]> On Behalf Of Skipro
Sent: Thursday, January 5, 2023 1:25 PM To: [email protected] Subject: Re: [S1S2euroS3LotusEspritOwners] Inner Tie Rod Ends ? Thanks Dave, should I assume you need to pull the rack out to rebuild it? -Skip ? On Thu, Jan 5, 2023 at 1:16 PM dave78esprit via <armsdc=[email protected]> wrote:
V2I7310085.pdf
V2I7310085.pdf
tie rod end.JPG
rack collar and tube.JPG
rack end.JPG
rack housing.JPG
rack.JPG
rack2.JPG
socket and pressed pin.JPG
tie rod end boot.JPG
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Re: Inner Tie Rod Ends
Thanks Dave, should I assume you need to pull the rack out to rebuild it? -Skip On Thu, Jan 5, 2023 at 1:16 PM dave78esprit via <armsdc=[email protected]> wrote:
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Re: Inner Tie Rod Ends
开云体育The inner tie rod ends are actually part of the steering rack. the Lotus specialists do you have rebuild kits available but it’s not as simple as just putting on a new tie rod end.?Dave C On Jan 5, 2023, at 11:48 AM, Skipro <myesprits1@...> wrote:
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