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330 postsShowing posts 281-320 of 330

Engine & Transmission > REBUILD CLARIFICATION (6 replies - 6863 views)

Bill. Was nothing else done?...  just a valve job?   A good compression engine became a no compression engine after nothing but a valve job? To do a ...   04-13-2006 02:43 am

Engine & Transmission > Engine Rebuild (25 replies - 35829 views)

Paul Koehler wrote: Are DHLA-45's  and airbox from the 2 breeds of Lotus you mentioned,  easily available in your local? Do you get from a bone ...   04-12-2006 03:12 am

Engine & Transmission > Engine Rebuild (25 replies - 35829 views)

Paul Koehler wrote: An inquire for those that have been there. If we condiser a stock JH with Z/S carbs and ~140HP  as a starting ...   04-09-2006 07:45 pm

Body & interior stuff > Madera Concepts Wood Dash (7 replies - 9032 views)

I've seen Madera replacement dashes in Lotus Elans and Europas.   The finished product was gorgeous. However, I have no idea how perfect the fit was out ...   04-08-2006 04:05 pm

Carburetors > Choke cable length (2 replies - 6031 views)

Jay, The outer sheath should be long enough to reach the carbs without creating any kinks or sharp transitions do to stretching.   Kinks bind.   Smooth transitions operate ...   04-08-2006 03:59 pm

Ignition > Timing and ignition - maybe (23 replies - 14809 views)

colinw59 wrote: I'll trying gapping the plugs to 0.035"- 0.045" Colin, It takes a higher voltage spark to jump a larger gap.   The appropriate gap for the ...   03-29-2006 11:03 pm

Ignition > Timing and ignition - maybe (23 replies - 14809 views)

colinw59 wrote: Hi Rory        I thought of that, so I checked it. With #1 at TDC and the cam sprockets lining up, the rotor is pointing ...   03-29-2006 02:30 am

Miscellaneous > New JH owner seeks guidance (22 replies - 19796 views)

Mark Rosenbaum wrote: 1.  Examine the timing belt for damage.  Some wear is OK but if the belt is frayed, cut, or teeth worn, replace ...   03-11-2006 07:02 pm

Engine & Transmission > Crankshaft toothed pulley (4 replies - 5996 views)

There is a special tool for centering the front seal during installation (and another for the rear seal).   It takes all the guess work out ...   03-11-2006 12:39 am

Engine & Transmission > Oil Leaks (3 replies - 5081 views)

Rex Craft wrote: 1)  (Snip)... The seal looked fine but I’m not for sure about the oil thrower.  One of the tabs on the oil thrower ...   02-15-2006 02:53 am

Engine & Transmission > Valve Adjustment SNAFU (11 replies - 14318 views)

Lotus valve shims for Twin Cam and 9XX engines are the same.   And both are interchangeable with shims for the Triumph TR7 and older Jags ...   02-08-2006 01:23 am

Engine & Transmission > Valve Adjustment SNAFU (11 replies - 14318 views)

Okay...  so we aren't necessarily talking about negative numbers.   With the cam lobe pointing straight up relative to the tappet,  is there clearance?   Is the ...   02-08-2006 01:16 am

Engine & Transmission > Valve Adjustment SNAFU (11 replies - 14318 views)

It wouldn't hurt if you have access to the equipment.   If the results indicate everything is tight,  the valves are probably okay.   However,  if the ...   02-07-2006 03:16 am

Engine & Transmission > Valve Adjustment SNAFU (11 replies - 14318 views)

Yeah,  or that too...   ;-) Tim ...   02-06-2006 10:49 am

Engine & Transmission > Valve Adjustment SNAFU (11 replies - 14318 views)

Mitch, When the valves are ground & lapped,  a small amount of material is removed from the mating face.   As a result,  they end up moving a ...   02-06-2006 03:26 am

Carburetors > Has anyone tried SUs? (4 replies - 7283 views)

Jensen Healey wrote:   IIRC the development engines had fuel injection and put out 220 HP. Only the 904 & 906 race engines for the Lotus ...   12-23-2005 01:45 am

Carburetors > Has anyone tried SUs? (4 replies - 7283 views)

I don't think there's a significant advantage (if any) to switching from Zenith Stromberg carbs to SU's.   Functionally, the SU and Stromberg carbs are very ...   12-22-2005 09:29 pm

Engine & Transmission > 907 mounting brackets? (5 replies - 6594 views)

thurman wrote: Thanks Tim.  I have focused on JH parts because of the rear drive design of the JH.  The transmission mount for example, can't ...   12-11-2005 01:07 am

Engine & Transmission > 907 mounting brackets? (5 replies - 6594 views)

Thurman,   There's a lot of Lotus activity around DC and all over the east coast.   If you hook up with some J-H folk,  great.   But also ...   12-09-2005 01:31 am

Engine & Transmission > new photos of the Shark and its new engine (9 replies - 8611 views)

Regular foam like carpet padding isn't a good choice for under the tank since it's porous...  a sponge.    It will absorb and hold moisture against ...   12-01-2005 04:11 am

Engine & Transmission > crankshaft (3 replies - 4716 views)

Jason, Be sure to center the seals accurately.   Just sliding the seal & housing onto the journal and tightening the bolts isn't enough.   Either use the ...   11-19-2005 01:35 am

Engine & Transmission > crankshaft (3 replies - 4716 views)

jason fain wrote: (Snip)...  has never seen one with a machined looking groove near the rear seal.  The grove sits just on the inside of ...   11-19-2005 01:30 am

Engine & Transmission > VALVE ADJUSTMENT (3 replies - 5225 views)

BILLBEN wrote: THE VALVE JOB IS COMPLETE, BUT BEFORE I REASSEMBLE THE ENGINE, I'D LIKE TO CHECK/ ADJUST THE VALVES....WHAT'S THE BEST WAY TO DO ...   11-09-2005 12:20 am

Engine & Transmission > Section TDA, 1983-87 Lotus Turbo Esprit Manual (2 replies - 6359 views)

Mark, Yes.  (Snip)... Edit 5-31-2009 by Tim Engel No.   As it turns out, there's no difference between the J-H and Lotus versions of the cams and pulleys.   The ...   11-05-2005 02:39 am

Carburetors > DHLA 40 vs. 45 (26 replies - 38743 views)

Brett Gibson JH5 20497 wrote: ...as for the pump jet filter/spring, I was not talking about the main fuel pump with the large spring over ...   11-03-2005 11:17 am

Engine & Transmission > Section TDA, 1983-87 Lotus Turbo Esprit Manual (2 replies - 6359 views)

This probably amounts to waste of bandwidth by double-posting;  however,  I felt posting this info in the Engine & Transmission forum made more sense.   It ...   11-03-2005 03:46 am

Carburetors > DHLA 40 vs. 45 (26 replies - 38743 views)

Mark Rosenbaum wrote: The data in TDA.pdf is an enormously valuable supplement to the JH shop manual -- the ignition timing and cam timing areas, in particular, caught my attention...  (Snip)... My ...   11-03-2005 12:55 am

Carburetors > DHLA 40 vs. 45 (26 replies - 38743 views)

Judson Manning wrote: Apparantly both sets of carbs I got from DBE were Spec10 w/ Spec9 jetting, and the carbs on your cars are all ...   11-02-2005 02:19 am

Carburetors > DHLA 40 vs. 45 (26 replies - 38743 views)

Brett Gibson JH5 20497 wrote: Tim, how do you know which spec Dell's you have, mine are 40'E's, on a stock engine, would it show ...   11-02-2005 01:58 am

Carburetors > DHLA 40 vs. 45 (26 replies - 38743 views)

Judson Manning wrote: Tim was kind enough to post Spec10 & Spec11 for me last year on the Lotus Forum while I was jetting the 907/910 ...   11-01-2005 03:29 am

Carburetors > DHLA 40 vs. 45 (26 replies - 38743 views)

Judson Manning wrote: What Tim and I are at odds with is...  (Snip)...   Judson, I know,  just words,  and I really am tracking with you.   But "mutually ...   11-01-2005 01:09 am

Carburetors > DHLA 40 vs. 45 (26 replies - 38743 views)

Judson, I was quoting "Lotus" Dellorto set-up's.   Lotus numbered their carb set-ups (Stromberg & Dellorto intermingled) sequentially as set-up changed through the years and models.   Spec-1 ...   10-30-2005 12:53 am

Carburetors > DHLA 40 vs. 45 (26 replies - 38743 views)

Spec 5 is about right if you are running a near stock 907 with DHLA45's. Front ............................ E907E0789F Rear ............................. E907E0790W Tag Number Front ............................ 5295A Rear ............................. 5294P Carb Type ...   10-28-2005 03:52 am

Carburetors > DHLA 40 vs. 45 (26 replies - 38743 views)

andrewo wrote: I have noticed that 40s seem a lot cheaper than 45s. On other cars with Webers (similar design) I actually found that it ...   10-28-2005 03:39 am

Carburetors > carburetor synchronizer (5 replies - 11189 views)

johnhem wrote: Is anyone familiar with this synchronizer and would they recommend it or not? I read Frank Schwatz's post but would rather not deal ...   10-28-2005 03:04 am

Engine & Transmission > 907 engine in a fit car? (7 replies - 8374 views)

thurman wrote: On a topic more germane to the creators of this list, how hard/expensive is it to obtain parts for a Jensen Healey?  (Snip)...  ...   10-28-2005 02:37 am

Engine & Transmission > Header Gasket (5 replies - 5669 views)

Rory, Were you still running the stock-style of exhaust manifold to cylinder head gasket?   If so,  then the Lotus Esprit Turbo gaskets are a vast improvement.   ...   10-28-2005 02:10 am

Engine & Transmission > 907 engine in a fit car? (7 replies - 8374 views)

That's a space constraint. There is nothing inherent about the 907 that requires an offset. If the car you are building has room for the ...   10-13-2005 11:23 pm

Engine & Transmission > Hesitation (6 replies - 7263 views)

Mark, I believe the main reason for the vacuum retard had to do with reducing the spike in oxides of nitrogen that occurred on closed-throttle over-run.   Something ...   10-10-2005 11:32 pm

Engine & Transmission > stock cams vs. 107 vs. 104 (3 replies - 5701 views)

The 107 cams don't make huge horsepower,  but they do make a pretty dramatic improvement in low end torque.   The car's top speed (horsepower) won't ...   06-10-2005 08:27 pm


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