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572 postsShowing posts 161-200 of 572

Engine & Transmission > Lubrication system diagram (25 replies - 22704 views)

Bruce, I think, but don't 'know'... that the oil flow was designed to work correctly with just the pump... no oil cooler. Then, when ...   09-25-2019 02:57 pm

Carburetors > carburetor (19 replies - 17602 views)

Bruce, Yes, I use the 3G type of seal exclusively for my own work. But the old seal is still out there, so rather ...   09-25-2019 02:17 pm

Projects > 18711 "Miss Jensen" (129 replies - 245987 views)

mgreaves wrote: Update that is a 910 engine not a 920.. andMax_dvdt wrote: We are in the process of fitting a 910 block+sumpGentlemen, If you have a 910 ...   09-23-2019 08:56 pm

Projects > 18711 "Miss Jensen" (129 replies - 245987 views)

Michael, When Lotus first stroked the 907 to 2.2 Litres, it picked up a roughness that hadn't been present with the short-stroke 2.0. That's ...   09-23-2019 08:08 pm

Carburetors > carburetor (19 replies - 17602 views)

Sorry about the sudden left turn... the thread is 'Carburetor'. But jomac mentioned putting a fan thermostat in the heater hose line, and, well... ...   09-23-2019 02:47 pm

Projects > 18711 "Miss Jensen" (129 replies - 245987 views)

Joachim, Thanks for the help with posting the photos. One more favor? Could you delete my one blank post, #120 on the previous page. ...   09-23-2019 03:10 am

Carburetors > carburetor (19 replies - 17602 views)

See the attached JPEG. Note that both the 907 impeller on the left, and the 910 impeller on the right have backward curved ...   09-23-2019 03:00 am

Carburetors > carburetor (19 replies - 17602 views)

There is little, if any flow through the heater circuit when the heater valve is closed. Putting the fan's thermo-switch in the heater ...   09-23-2019 02:54 am

Engine & Transmission > Lubrication system diagram (25 replies - 22704 views)

Maybe a little out of sequence, but finally, here's the Oil Pressure Relief Valve components. Regards, Tim Engel ...   09-23-2019 02:30 am

Engine & Transmission > Lubrication system diagram (25 replies - 22704 views)

And in real life... Regards, Tim Engel ...   09-23-2019 02:20 am

Engine & Transmission > Lubrication system diagram (25 replies - 22704 views)

Location of the Air Bleed Hole in the Auxiliary Housing. It's important to reducing the amount of time required for oil pressure to ...   09-23-2019 02:19 am

Engine & Transmission > Lubrication system diagram (25 replies - 22704 views)

Oil Pump Exploded Parts Drawing. Regards, Tim Engel ...   09-23-2019 02:09 am

Engine & Transmission > Lubrication system diagram (25 replies - 22704 views)

Oil Pump and Auxiliary Housing Exploded Parts Drawing. This drawing is for the 910S Turbo engine, but it's the same with the exception that the ChargeCooler ...   09-23-2019 02:07 am

Engine & Transmission > Lubrication system diagram (25 replies - 22704 views)

And here's a closer look at the Oil Pump Flow Schematic. Both illustrations are from Lotus manuals, but also apply to Jensen-Healey. Regards, Tim Engel ...   09-23-2019 01:59 am

Engine & Transmission > Lubrication system diagram (25 replies - 22704 views)

Here is the overall Lubrication Schematic. Regards, Tim Engel ...   09-23-2019 01:57 am

Projects > 18711 "Miss Jensen" (129 replies - 245987 views)

...   09-20-2019 11:00 pm

Projects > 18711 "Miss Jensen" (129 replies - 245987 views)

I tried to post a similar illustration of the Cylinder Block & Main Bearing Panel... But JHPS won't accept it. I re-sized ...   09-20-2019 10:50 pm

Projects > 18711 "Miss Jensen" (129 replies - 245987 views)

Here's the Sump & Baffle's illustration from the 1988 Esprit Parts Manual. Regards, Tim Engel ...   09-20-2019 10:39 pm

Projects > 18711 "Miss Jensen" (129 replies - 245987 views)

mgreaves wrote: I'm interested in shoehorning a 1988 Esprit 920 engine into my Jensen-Healey. I know the oil pan is too wide for the cross member, ...   09-20-2019 09:51 pm

Electrical & Instruments > DO NOT use a USA rated 35 amp fuse in your Jensen Healey (6 replies - 11326 views)

Tim Murphy wrote: 35 amp fuses are specified in the Owners Handbook on page 28. Really negligent of the Jensen company not to correct that for ...   09-11-2019 04:47 am

Electrical & Instruments > DO NOT use a USA rated 35 amp fuse in your Jensen Healey (6 replies - 11326 views)

The British/ Lucas fuses are rated for the current that will cause them to blow immediately. The USA / BUSS fuses are rated for the current ...   09-11-2019 04:43 am

Suspension > Front Subframe outrigger disassembly (13 replies - 12622 views)

Have you talked with Gary Kemp about the pistons you have and the compression they will produce? The stroker crank's longer stroke would ...   09-04-2019 03:17 pm

Suspension > Front Subframe outrigger disassembly (13 replies - 12622 views)

The modern composite head gasket has a crushed thickness that is about 0.5 mm / 0.020" thicker than the original steel-asbestos-steel laminated gasket. ...   09-03-2019 03:05 pm

Suspension > Front Subframe outrigger disassembly (13 replies - 12622 views)

Correct... the Sawzall wrench. A 910? As in Turbo? What is your plan for the turbo location and plumbing. In ...   09-02-2019 09:24 pm

Engine & Transmission > Static Timing adjustment (12 replies - 13829 views)

The original Pertronix Ignitor with it's magnetic pick-up can be static timed. But, as Tom said, the Pertronix Ignitor II with it's Hall ...   08-22-2019 04:58 am

Engine & Transmission > Exhaust Manifold/Header (4 replies - 6021 views)

I don't know which cast manifold was used on the JH, but the one used on the Lotus 907 was actually very free flowing and ...   07-25-2019 01:17 am

Engine & Transmission > Static Timing adjustment (12 replies - 13829 views)

TommyV9 wrote: Edit: I’m not starting from scratch, but want to see where the timing is. Because my cams were timed at 115/115, I suspect ...   07-06-2019 05:21 am

Engine & Transmission > Static Timing adjustment (12 replies - 13829 views)

TommyV9 wrote: Tim, the picture is not mine, but an image that looked enough like mine with regard to the fasteners that I could reference it. ...   07-06-2019 05:13 am

Engine & Transmission > Static Timing adjustment (12 replies - 13829 views)

Tom, For the record... which distributor? 23D4 or 43D4? I should probably be able to tell by looking, but I'd like to ...   07-05-2019 08:31 pm

Engine & Transmission > Electric Pre starting Oil Pump (14 replies - 13143 views)

Early Lotus Turbo Esprits used an external, inline thermostat. If that were used as the one-way valve, it would be closed on cold ...   07-05-2019 06:49 pm

Engine & Transmission > Electric Pre starting Oil Pump (14 replies - 13143 views)

Your schematic shows the electric pump's output 'T-ing' into the hose from the engine's pump to the oil cooler. Nothing stops the oil ...   07-05-2019 05:58 pm

Engine & Transmission > Need to change out the Timing Belt Tensioner (23 replies - 35727 views)

;-) Now you are experiencing the 907 the way it was meant to be... Regards, Tim Engel ...   07-05-2019 05:48 pm

Engine & Transmission > Static Timing adjustment (12 replies - 13829 views)

Tom, Either will allow you to adjust the static timing, one just allows more change than the other. The slotted screw head loosens/ tighten's the clamp's grip ...   07-05-2019 05:43 pm

Engine & Transmission > What cams do I have and is my timing off by a tooth? (15 replies - 15695 views)

;-) Thanks for the update. I'm glad you like the results. This is probably redundant, but... IMHO, any owner of a stock J-H that no longer ...   07-05-2019 05:00 pm

Engine & Transmission > Electric Pre starting Oil Pump (14 replies - 13143 views)

If the pump is capable of 150 psi, then consider an inline pressure regulator to cut that down to something more "normal". Regards, Tim Engel ...   07-04-2019 04:48 pm

Engine & Transmission > Cam Belt Tensioner (4 replies - 5965 views)

Tom, Well, it sounds like you got it taken care of without any help. But for future reference... The tensioner's eccentric hub doesn't pilot into ...   07-02-2019 06:35 am

Engine & Transmission > Rear mount Turbo (6 replies - 7740 views)

Here's an example of the 910S exhaust manifold used on the Emme 422T. Front is to the left, which put the turbo down ...   07-02-2019 05:55 am

Engine & Transmission > Oil Pressure (27 replies - 26118 views)

Steve, From what you describe, it sounds like over-heating is the root-cause, and that leads to the drop in oil pressure as the too-hot oil thins ...   06-28-2019 03:41 pm

Carburetors > correct manifold for 40 mm Dellortos? (12 replies - 10057 views)

Alfa carbs, eh? Is there any suffix letter after the throat size... like 40C or 40E? When you get to 40H ...   06-26-2019 04:22 am

Carburetors > correct manifold for 40 mm Dellortos? (12 replies - 10057 views)

sscheffel wrote: or do I have a manifold for 45 mm Dells?Sorry, I read faster than I comprehended. I was busy writing my reply, glaced ...   06-25-2019 02:54 pm


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