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Posts by Judson Manning
406 postsShowing posts 41-80 of 406

Cooling > Electric Cooling Fan (20 replies - 24488 views)

Fan Clutches were installed on a few JH roadsters as part of dealer-added Air Conditioning packages; and of course to all of the GTs which ...   12-31-2008 10:11 am

Engine & Transmission > 5-Speed Getrag Value? (29 replies - 19717 views)

I should clarify and say my Getrag 235/5 was sold as little more than a box of partially usable parts.  In good condition this highly ...   12-30-2008 03:03 pm

Engine & Transmission > 5-Speed Getrag Value? (29 replies - 19717 views)

Completely disassembled my Getrag with Bellhousing and one-piece drive-shaft fetched about $350 on ebay.  It sold to a JH owner wanting to rebuild it.  My ...   12-29-2008 03:41 pm

Engine & Transmission > Draing oil cooler (12 replies - 6593 views)

Steve, You've got the right idea and your experience hints at the difficulty in getting all of the engine internals clean.  Draining the cooler removes ...   12-17-2008 03:55 pm

Engine & Transmission > help with oil pan plug (16 replies - 9772 views)

Ross, I'm in agreement with your blue loctite observation.  If there is a "safe" way to hit the plug with some heat and melt the plastic it ...   12-04-2008 11:52 pm

Engine & Transmission > Oil blow by (5 replies - 4746 views)

LOL - I never said it was efficient or inexpensive!  It is however easy and quite effective.   ...   11-30-2008 11:47 pm

Engine & Transmission > 912 vs 907 cam towers (22 replies - 14885 views)

A typical 'watch builder' would re-surface both the block and main-panel about .005-.010", machine for all ten dowels, add the tabs for Esprit bearings, cross-drill ...   11-30-2008 11:38 pm

Engine & Transmission > 912 vs 907 cam towers (22 replies - 14885 views)

An Ex-Esprit or Ex-Elite 907 'should' be equipped with 9.5:1 c/r pistons and the 'E' cam (~260^ duration vs the JH 'C' cam ~272^).  The combination ...   11-29-2008 05:47 pm

Engine & Transmission > 912 vs 907 cam towers (22 replies - 14885 views)

Joachim, Your theoretical analysis of bearing dynamics mirrors my initial work.  What opened my eyes was a technical article I read from Clevitte analyzing the performance ...   11-05-2008 12:13 pm

Engine & Transmission > 912 vs 907 cam towers (22 replies - 14885 views)

The 907 was dubbed the 'torqueless wonder' and IMHO that was due to the relatively low c/r and the stock cams having just way too ...   11-05-2008 12:16 am

Engine & Transmission > 912 vs 907 cam towers (22 replies - 14885 views)

Erik, I think we'd all agree The Shark demonstrates there is nothing 'cheap' or 'simple' about your taste!  Did you ever get a dyno plot for ...   11-04-2008 01:23 pm

Engine & Transmission > 912 vs 907 cam towers (22 replies - 14885 views)

Honestly...for the best fun-to-dollar ratio, stick with 2.0 configuration w/ HC pistons and 107 cams.  JHPS, et. al. have all the parts at reasonable cost.  That ...   11-03-2008 03:05 pm

Engine & Transmission > 912 vs 907 cam towers (22 replies - 14885 views)

912 / 907 hybrid of mine http://jhppg.com/gallery/album08 912 bottom end / 907 top end...Done that way precisely to keep the "Jensen Healey" name on the cam towers ...   11-03-2008 12:50 am

Engine & Transmission > Fresh Engine, Racecar, Trans, Huffaker Fenders etc. (7 replies - 6961 views)

Bill, I think you and I traded emails over those fender molds that originally came from Curtis Woods' ill fated EP project many more years back.  ...   10-08-2008 11:27 pm

Engine & Transmission > Burn Baby Burn (14 replies - 7485 views)

Joel, Not once but TWICE I've had aircraft braided stainless steel hoses fail on my DHLAs dripping fuel onto the distributor.   You'd figure with a 1500psi ...   10-08-2008 11:00 pm

Cooling > Still Running Hot! (17 replies - 14968 views)

Dave, As I (re)discovered with John Cronin's car recently the factory temp sender, voltage stabilizer, wiring and gauge are doing about as good as they can ...   09-19-2008 09:02 pm

Carburetors > 40mm Dells (3 replies - 4878 views)

This is an update after we put John Cronin's rebuild on the DynoPak last week. John went with an extremely 'streetable' combination of 107 cams 104^ ...   08-27-2008 05:06 pm

VIN Database for Jensen Healey & Jensen GT > Jensen Healey & Jensen GT VIN Database (273 replies - 208821 views)

VIN:  13492 originally mustard in color now black.  2.2 litre engine from 1986 Esprit HCI, 1988 Excel bellhousing and 1987 Toyota W58 transmission.  Occasional SCCA Solo ...   07-15-2008 05:01 pm

Engine & Transmission > Replacing Cam Pulleys (17 replies - 10893 views)

Generally speaking, everything aluminum used on the 907 is very soft including the cam sprockets.  Early sprockets will be shiny and a definate wear pattern ...   06-30-2008 02:34 am

Carburetors > 40mm Dells (3 replies - 4878 views)

There is no 'correct' jetting....only starting places for you to begin tuning your specific engine and driving style. IMHO the Dells available through the JHPS (145 ...   06-24-2008 12:54 pm

Engine & Transmission > Help needed!!! Thank You (4 replies - 3763 views)

Tim, One issue we didn't discuss was the total valve overlap.  You get more overlap when using the 110/110 timing which should equate to more top-end ...   06-03-2008 01:49 pm

Engine & Transmission > Help needed!!! Thank You (4 replies - 3763 views)

The Elgin article is quite good and does go into some depth regarding practical limitations.  Paragraph 6 under the section Camshafts - "Part 2 choices" is ...   06-02-2008 07:02 pm

Fuel Stuff > Fuel Hose/ Water Hose routing (2 replies - 5491 views)

You might want to view some of the photos on JHP Photo Gallery link. ...   05-19-2008 05:45 pm

Fuel Stuff > Fuel Milage (4 replies - 8153 views)

One more data point to offer this time with the hard-top installed... 121 mile leg highway cruising as before but now:  27.7mpg!!! Not bad considering $4.19/gal for ...   05-13-2008 05:05 am

Engine & Transmission > Stock cam sizes (1 reply - 2585 views)

Tim, Check the back threads as we've discussed this in detail before.  From memory the Federal 'C' cam has .340" lift and 272^ duration at zero ...   05-12-2008 08:54 pm

Carburetors > Cams 107 with 104 (8 replies - 6845 views)

Brett, There may be an explicit part number for the accessory housing sprocket, but I'm not aware of one.  From memory all I've seen is just ...   05-06-2008 06:00 pm

Carburetors > Cams 107 with 104 (8 replies - 6845 views)

Tim, The 104IN/107EX represents the results of ~15 years of evolution for the 907/911/912 engine family.  Keep in mind the 907 was really a prototype with little product ...   05-06-2008 01:32 pm

Cooling > Temp Gauge issues (2 replies - 4642 views)

Pete, My initial thought is your alternator is developing higher voltage with RPM (i.e. the voltage regulator in the alternator may be failing); and the higher ...   04-02-2008 07:33 pm

Engine & Transmission > Accusump Plumbing (7 replies - 5885 views)

I use the electric valve on my 2qt Accusump. For start-up I hit the switch, watch pressure come up, hit the starter and dis-engage when the ...   03-07-2008 06:57 pm

Brakes > Different viewpoints on brakes (16 replies - 14114 views)

Joel, Prior to the Hawks and Porterfields I tried a set of pads from one of our well known sources and they just were terrible.  I ...   02-29-2008 06:57 pm

Brakes > Different viewpoints on brakes (16 replies - 14114 views)

Everyone's 'milage' will differ... To answer your question DDrake - No.  I never pursued the Celica rotor solution after my experience at the Gainesville, FL Solo ...   02-29-2008 10:26 am

Engine & Transmission > Vapor Hose Oil (9 replies - 6310 views)

Frank, Kate's original MkI engine died 4 years ago after injesting a loose carburetor nut that was supposed to be holding on the air box.  It ...   02-25-2008 01:50 pm

Engine & Transmission > Vapor Hose Oil (9 replies - 6310 views)

Frank, Along with Bruce Madden I really do like the Early catch can.  I am attaching a photo showing how I modified my windshield wiper canister ...   02-22-2008 03:57 pm

Engine & Transmission > Vapor Hose Oil (9 replies - 6310 views)

Steve, The short answer to your question is you probably have worn piston rings and are getting a fair amount of blow-by of combustion gasses into ...   02-18-2008 06:40 pm

Fuel Stuff > Fuel Milage (4 replies - 8153 views)

I finally got the chance to find my old Road&Track, et. al. reports.... It seems the JH scored anywere from 18mpg("hard driving") to 21, 25, and ...   02-11-2008 01:26 pm

Fuel Stuff > Fuel Milage (4 replies - 8153 views)

With oil hovering at $100/bbl and my SUV (speciffically chosen to tow a JH to the race track) averaging 15-20mpg; I was a bit curious ...   02-06-2008 02:08 pm

Miscellaneous > Intro: handed down and would like to get it running again. (14 replies - 8127 views)

UBCSCC autocross club? Worthwhile to mention the JH won the SCCA Solo 2 (autocross) National Championship in 1979.  Keep it ~stock~ as to not throw yourself ...   01-03-2008 06:13 pm

Miscellaneous > Intro: handed down and would like to get it running again. (14 replies - 8127 views)

The engine, VIN and console suggest a VERY late 1974, but the seat belt buckles, choke knob and headlight surrounds do appear vintage 1973. The factory hardtop is rare, and the ...   01-02-2008 12:37 pm

Engine & Transmission > JH5 Clutch Dimensions (4 replies - 4541 views)

We chatted about this some time ago: http://www.jensenhealey.com/forums/view_topic.php?id=498&forum_id=2   ...   12-31-2007 03:08 pm

Electrical & Instruments > Delco Remy Alternator (6 replies - 11506 views)

Early 907 variants utilized an AC Delco alternator that I think was a fairly common unit a la Vauxhall parts bin.  Post 1974 roadsters (and all GTs) ...   12-23-2007 07:06 pm


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