X180 IMPROVEMENTS - Page 9 - LotusTalk - The Lotus Cars Community
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post #161 of 493 (permalink) Old 04-18-2015, 10:56 AM
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Really should box it in from chassis mount to chassis mount.
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post #162 of 493 (permalink) Old 04-18-2015, 08:16 PM Thread Starter
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post #163 of 493 (permalink) Old 04-19-2015, 07:27 AM
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Ahh, one-upmanship.

++++++++++++++

If you make the strengthening piece really, really, really tall, you could mount a WING to it.


But, then I'd have to UNSUBSCRIBE from the topic.

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post #164 of 493 (permalink) Old 04-20-2015, 04:27 AM
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I've thought about strengthening that piece, but it seems that the real weakness of the Esprit chassis is in the tunnel (backbone) connecting the front and rear sections of the frame.
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post #165 of 493 (permalink) Old 04-22-2015, 08:03 AM Thread Starter
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High ZDDP content oil (5,458 PPM):

The "PLUS" is for the extra additives above and beyond the normal additive package found in ordinary racing oils. This excellent product was especially developed to protect top fuel engines. This was tested extensively on the 1996 NHRA circuit and every crew who used it claimed it to the "BEST". 70 PLUS resists fuel dilution like no other oil possibly can. It allows you to maintain oil pressure from one end of the track to the other.

Amazon has it, just look for "Lucas 10262 SAE 70 Plus Racing Motor Oil"

Specs:
70 WT Plus Racing Oil

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post #166 of 493 (permalink) Old 04-22-2015, 08:39 AM
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70W Plus is a racing oil. As such it does NOT have detergents as does regular "street" oil.


Is it a synthetic oil? Can't tell from the Zinc data sheet..but many others are labeled Synthetic whereas 70W Plus is not.

http://lucasoil.com/pdf/Zinc_Values_MotorcycleOil.pdf

If you want to run RedLine in a street car, RL makes a 20W50 syn with 50% more zinc than is common with current SN oils like Mobil1 15W-50. (SN = 861 PPM, RD 20W-50 syn = 1265)
Synthetic resists coking better than regular oil in turbocharged applications.

If you have just rebuilt an engine, a ZDDP additive during break in is all you need. (look at TB Zinc Plus)

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post #167 of 493 (permalink) Old 04-26-2015, 08:56 AM Thread Starter
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post #168 of 493 (permalink) Old 04-26-2015, 09:06 AM
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Straight 70W for the street?

I would think that non-synthetic and zinc/non-zinc would be the least of your problems with that one...LOL Unless, I'm missing something here, I shudder at the thought of the lack of initial oil circulation at startup with that extreme viscosity, especially in colder climates. In the olden days with hot rodders and racers running straight 50 weight like Valvoline Racing, I used to hear stories of people blowing oil filters and/or injuring motors from a cold startup due to the high pressure and lack of initial circulation, combined with overzealous throttle application before proper warmup due to the high viscosity.

I believe Lotus specified multi-viscosity oils for a reason.

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post #169 of 493 (permalink) Old 04-26-2015, 08:50 PM Thread Starter
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Quote:
Originally Posted by QuadCam View Post
I've thought about strengthening that piece, but it seems that the real weakness of the Esprit chassis is in the tunnel (backbone) connecting the front and rear sections of the frame.
Backbone is really weak at the shifter opening. Later cars had this area reinforced and plate added.
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post #170 of 493 (permalink) Old 04-27-2015, 05:45 PM Thread Starter
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Nashua Aluminum Waterproofing Repair Foil Tape, 11 mil Thick, 10 m Length, 48 mm Width from Amazon.
I have used it when insulating the fuel tanks,
and now applied it to the boot floor and left eng compartment wall to reflect the heat. Not expensive, light, thick, robust but easy to work with. Have used 2 rolls at the total weight of only14 oz !
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post #171 of 493 (permalink) Old 04-27-2015, 10:28 PM
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What does taping the left engine compartment do?

Doesn't that put heat back closer to the engine? Or are you protecting the fiberglass from degradation?

The trunk floor has some tape on the bottom, but my hot luggage says it doesn't work that well

Eddie B
87 Esprit 'SLEEK GT'
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post #172 of 493 (permalink) Old 04-28-2015, 10:28 AM Thread Starter
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post #173 of 493 (permalink) Old 04-28-2015, 11:58 AM
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Quote:
Originally Posted by MRDANGERUS View Post
This is one of the best mods for the engine. All pre-84 Esprits had an oil-stat, but not later cars. Bought from Burton PowerUK, PN# MOTC B-
Dunno why?

Since it has been documented very well before, I'm posting a link

Oil stat? - Page 4 - Engine/Ancilliaries - The Lotus Forums - Page 4
thanks for the link. I just received my Mocal Oil-Stat from Burton Power. They shipped it quickly to the states. I think it wasn't much more than $100 in the end.
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post #174 of 493 (permalink) Old 05-02-2015, 07:43 AM Thread Starter
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post #175 of 493 (permalink) Old 05-06-2015, 09:09 AM Thread Starter
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Improving electrical reliability:

Replace all antiquated (aluminum body) relays with 60 Amp 12 Volt, waterproofed, sealed BEULER parts with the spike suppression.

Apply dielectric grease to all terminals before insertion.

Beware:
there are couple of light gray plastic double contact DPST relays on our cars. They are underrated (only 2x15A) and have a different termination. They are:
"E"-main beam relay and
"D"-radiators fan relay on the "perch" in the front boot,
and also, the Fuel by-pass speed sensing relay in the Ignition Box.
These should be replaced with the same type of DPST relay, pic 2.
Source: US and UK eBay
Note: sometimes DPST relays have terminals switched around, like this black British relay. Always check and compare to your "old" relay. Switch terminals in your sockets accordingly.

Tired of changing blown fuses?
Replace them with thermal overload mini breakers from NAPA store, pic 3.

At the front fuse panel, there is not enough room for breakers, so you may install smart-glow fuses. "It glows when it blows", so it is easy to identify bad fuse, even after-dark.

Last pic shows OE old relay spike trace.
.
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Last edited by MRDANGERUS; 05-06-2015 at 08:26 PM.
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post #176 of 493 (permalink) Old 05-06-2015, 05:58 PM
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Danger, thats a great idea on the relays. Do you have a list of the various relays and their location? Would be a good idea to know that, then buy a bunch to be ready for the job.

Don
Esprit S4s #155 of 158
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post #177 of 493 (permalink) Old 05-06-2015, 07:33 PM Thread Starter
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post #178 of 493 (permalink) Old 05-08-2015, 09:22 AM Thread Starter
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DIAGNOSING PROBLEMS

When diagnosing a problem, put all the details in writing.

90% of the time you will help yourself and others, who are coming to help you.
Since time=money, you'll save some $$$ when you use a shop Mechanic.

.
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Last edited by MRDANGERUS; 05-12-2015 at 09:18 PM.
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post #179 of 493 (permalink) Old 05-12-2015, 09:19 PM Thread Starter
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post #180 of 493 (permalink) Old 05-18-2015, 11:11 AM Thread Starter
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