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572 postsShowing posts 41-80 of 572

Engine & Transmission > valve cover sealing. (12 replies - 11281 views)

The key point to getting a dry joint with the rubber gaskets is to install them dry, with no sealant. The JHPS instructions ...   09-24-2021 07:14 am

Ignition > Valve clearance with paper gasket (4 replies - 3188 views)

Does your engine have a gasket between the head and cam carriers, or are you just following the old Workshop Manual? A Tech ...   09-24-2021 06:55 am

Projects > Flywheel bolt replacement part (2 replies - 3064 views)

The correct bolts are not made to industry standards. Any standard bolt you buy, even if it's made by ARP, etc, will not ...   08-30-2021 02:18 pm

Electrical & Instruments > electrical (3 replies - 2819 views)

The modern electronic voltage stabilizer does eliminate some of the original mechanical stabilizer's reliability issues. On the surface, that sounds good. However, the electric ...   08-03-2021 03:42 am

Ignition > Cam timing (12 replies - 5576 views)

The 110 IN / 110 EX cam timing is what you want for best running/ best performing (emissions not being a consideration). Are both timing marks ...   07-31-2021 05:41 pm

VIN Database for Jensen Healey & Jensen GT > JH 14933 made it to Dubai ! (6 replies - 4440 views)

+1 on Lotusbits. http://www.lotusbits.com/ They not only salvage Lotus and Jensen-Healey cars, they also make some custom hotrod parts. It's possible they could provide you ...   06-10-2021 08:11 pm

Ignition > Static Timing Questions (11 replies - 20406 views)

Ralph, Yes, I'm still hanging out here. Congratulations on getting your engine running well. The 907 is a sweet running engine when ...   06-08-2021 01:40 am

Engine & Transmission > 2.2L Stroker Crank Install, What's Involved? (7 replies - 5079 views)

The 2.2 stroker crank will require pistons with higher wrist pin locations. Once you make the committment to different pistons, then you should ...   06-02-2021 10:30 pm

Carburetors > Carburetor (6 replies - 5267 views)

Jh092, How about a progress report. Have you sorted it out yet? ...   05-09-2021 08:23 pm

Carburetors > Carburetor (6 replies - 5267 views)

You mentioned having Lotus Spec 5 carbs, but the tag number you gave is for the Lotus 911 2.2 Litre engine used in the Talbot-Sunbeam-Lotus ...   05-03-2021 05:01 am

Carburetors > Carburetor (6 replies - 5267 views)

Which carbs do you have? You mention setting them up to Spec 5, which is a Lotus set-up for DHLA45E carbs with 36mm ...   04-25-2021 10:21 pm

Carburetors > Out of tune Stroms causing sputter/rough running? (8 replies - 12988 views)

Mark Rosenbaum was a great guy, and very knowledgeable about the Jensen-Healey and the Lotus 907. When he posted, you were wise to ...   04-22-2021 10:33 pm

Miscellaneous > AutoBlog Article on a Jensen Healey (3 replies - 2983 views)

The 907 Mk II was introduced in Aug, 1975. This article doesn't mention VIN or engine numbers, but if it's a Mk II, ...   03-08-2021 04:49 am

Engine & Transmission > TIMING BELT UPDATE (3 replies - 3700 views)

The T104RB HNBR rubber timing belt requires a different tension that is a little lower than the tension spec'd for the old-school HCR and HSN ...   02-24-2021 06:07 pm

Engine & Transmission > TIMING BELT UPDATE (3 replies - 3700 views)

Stability is one of the advantages of the Gates Racing blue belts. After installation and initial tensioning, continue to check the tension periodically ...   02-24-2021 05:34 pm

Ignition > UK 907 Distributor without vacuum advance (9 replies - 7338 views)

The 'heads' of the 23D4 & 25D4 are small in diameter, and that puts the spark plug terminals close together. If you upgrade ...   01-17-2021 07:52 pm

Ignition > UK 907 Distributor without vacuum advance (9 replies - 7338 views)

The 23D4 & 43D4 have NO vacuum capsule. The 25D4 & 45D4 DO have a vacuum capsule. Despatch Number 41488 -- 23D4 -- 1972-75 -- J-H & JGT 41488 -- ...   01-12-2021 06:18 pm

Engine & Transmission > Head removal? (19 replies - 14106 views)

Sorry to hear you've run into problems. FYI, the torque specs in the J-H Workshop manual for the Cam carrier nuts, and for the head nuts ...   12-01-2020 02:15 am

Engine & Transmission > Strange rattle sound when idling (11 replies - 7456 views)

Have you tried crawling under the car while the engine is running. "IF" it's transmission related, the rattle might be more pronounced and ...   12-01-2020 01:17 am

Carburetors > Air box hose size (22 replies - 17762 views)

Art, For attachments, the file size must not exceed 102400 bytes... or 102kb. There are some little 'cling-ons' that add to the file side ...   12-01-2020 01:08 am

Miscellaneous > engine oil type (6 replies - 5582 views)

Phosphorus is the P in ZDDP, and it's the part that provides the anti-wear properties (the rest of the ZDD_ just goes along for the ...   09-03-2020 05:15 pm

Carburetors > Air box hose size (22 replies - 17762 views)

discogodfather wrote: Yeah it's probably just the very slim design of the pipercross 600, it was designed to go into very tight spaces. I don't ...   08-31-2020 05:41 pm

Carburetors > Air box hose size (22 replies - 17762 views)

Disco, I'm sorry to hear you have been having trouble getting the carbs/ airbox sorted, but I also think you're barking up the wrong ...   08-30-2020 07:03 pm

Carburetors > Air box hose size (22 replies - 17762 views)

I visited a Turbo Esprit owner yesterday. While I was there, I measured the airbox inlet at 3 3/8" with no step. The duct to ...   08-26-2020 04:20 pm

Carburetors > Air box hose size (22 replies - 17762 views)

Art, I don't know that the end of the Lotus duct that actually slipped onto the airbox was a non-standard size. It's just that ...   08-19-2020 06:08 pm

Carburetors > Air box hose size (22 replies - 17762 views)

Art, As I recall, the airbox you are pulling molds from has a square spigot where most would be round to accept a flex duct. ...   08-18-2020 05:26 pm

Carburetors > Fuel leaking from vent (39 replies - 25556 views)

The 'Enrichement Device' (aka, 'choke') requires two gaskets. One inside to rebuild it, and one between it and the carb body to mount ...   08-14-2020 04:49 pm

Carburetors > Fuel leaking from vent (39 replies - 25556 views)

I agree with Bruce's steps for defeating the vacuum powered emissions devices, but I go a step further. Instead of plugging the hoses ...   08-14-2020 04:46 pm

Engine & Transmission > Help identifying cam pulleys (3 replies - 3793 views)

I can't clearly identify them from the photo alone. But just to make the point... the early J-H 907 pulleys had solid centers ...   08-14-2020 03:57 pm

Ignition > Distributor pulley drifting forward on shaft (8 replies - 6618 views)

Disco, The auxiliary shaft goes through the oil pump's rotor, and is then secured with a strong little circlip (Item 13 in the attached JPEG). ...   07-21-2020 09:32 pm

Engine & Transmission > Head removal? (19 replies - 14106 views)

Gentlemen, Those plugs are for oil passages, NOT coolant. See the attached illustration. The plugs are known to develop leaks, but oil, ...   07-21-2020 02:40 pm

Electrical & Instruments > WOSP Starter Motor Install, 3x the torque and 1/3 the size and weight (15 replies - 16615 views)

Tom, In the long run, I think you'll like the Gustafson starter (or WOSP, for that matter). My solution for the positive battery cable is to attach ...   07-18-2020 03:48 pm

Miscellaneous > engine diagrams? (16 replies - 12015 views)

The Workshop Manual is not overly burdened with illustrations. Some, but not enough that you can get a clear mental image of everything ...   07-04-2020 05:25 pm

Electrical & Instruments > Speedo not working, but Odometer working? (10 replies - 12367 views)

Try this one: https://drive.google.com/file/d/1G2Y_-RrRdAFafia3T5yO-q0AedSrH0or/view Regards, Tim Engel ...   06-29-2020 03:10 am

Carburetors > Tuning a Weber 45 DCOE setup with Wideband (12 replies - 11648 views)

The Weber DCOE Idle Circuit feeds the engine up to 4000 rpm, then hands off to the Main Circuit. So, for most cars ...   06-21-2020 03:55 pm

Projects > New owner of #15394 (7 replies - 7116 views)

A_Locomotive wrote: (Snip)... The blue belt I would like to do i. The future but to my understanding it requires changing the pulleys so I will ...   05-22-2020 11:00 pm

Miscellaneous > Harbor Freight Jack Stands Recalled for Risk of Collapsing (4 replies - 4546 views)

The Road & Track article states, "The defect is attributed to aging tooling at the factory that produced the jack stands". And it ...   05-21-2020 08:03 pm

Ignition > serpentine belt conversion (1 reply - 2828 views)

You're not the first to mention the idea, but I'm not aware of anyone actually completing a conversion and then posting the details. ...   05-21-2020 07:08 pm

Projects > New owner of #15394 (7 replies - 7116 views)

When you replace the timing belt, also replace the tensioner bearing. The original Gates T104 black timing belt is still available, and inexpensive. Or ...   05-21-2020 06:40 pm

Ignition > Distributor timing and cam belt on a custom high power engine (55 replies - 48863 views)

For those interested, I've posted a copy of the Dave Bean instructions for how to 'degree' adjustable cam pulleys in the 'Files' section of the ...   05-16-2020 08:57 pm


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