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Posts by James Sohl
18 postsShowing posts 1-18 of 18

Projects > J-H hillclimb and AX project (43 replies - 42558 views)

When you can see most of the roll cage as a car goes by, then you know why the cage is there. ...   06-27-2013 05:15 pm

Miscellaneous > Left out in the rain (4 replies - 3195 views)

The weight savings should result in good acceleration. ...   06-05-2013 07:36 pm

Body & interior stuff > Headlight pod and rear panel blackout (9 replies - 5510 views)

Super Moderator is correct. No original North American Jensen Healeys (and quite probably all Jensen Healeys) had a black rear panel.  Most of the credit ...   03-19-2013 06:54 pm

Ignition > Distributor orientation (7 replies - 4460 views)

The distributor vacuum diaphragm is for retard on overrun.  On the left carburetor, there should be an attached vacuum controlled valve that applies manifold vacuum ...   02-04-2013 06:45 pm

Ignition > Timing (8 replies - 8189 views)

‘Sounds as though the centrifugal advance weights in the distributor are swinging out, advancing the spark, as they are supposed to.  Initial timing ...   05-07-2012 05:14 pm

Engine & Transmission > 907 vs 910 (14 replies - 12788 views)

Lotus did make a V8 based on the 907, it think is was the type 908.  At least one prototype was made, but no production.  ...   02-09-2012 09:04 pm

Miscellaneous > '73 vs '74 (11 replies - 7572 views)

Ramp,  There are internal differences regarding oil control.  In early engines, the oil return passage from the exhaust-side cam box down to the sump tended ...   07-01-2011 06:00 pm

Cooling > leak at head gasket (5 replies - 5960 views)

Just my 2 cents worth here:  When I disassembled my early '73 (rope main seal), the one known problem was an internal leak in the ...   06-23-2011 05:55 pm

Carburetors > AIR BOX Jensen Healey (12 replies - 8695 views)

The slight increase is likely the result of the airbox acting as a plenum chamber.  I am not aware of the air flow capacity of ...   01-06-2011 08:24 pm

Engine & Transmission > Understanding the oil pan (14 replies - 8752 views)

Dan, The rope seal can only be replaced by removing the crank.  Perhaps others can comment on their experiences with rope seal ...   11-04-2010 07:27 pm

Miscellaneous > AZ Jensen meeting in November (9 replies - 6510 views)

I'll put both dates in my calendar.  Keep me informed of such plans as may be set. Regards, Jim Sohl ...   10-17-2010 09:36 pm

Brakes > Pedalbox rebuild (13 replies - 8187 views)

Art, The brake pivot has 'C' clips on the outside of the pedal box.  The other two pivot shafts, the clutch and accelerator, have their ...   05-02-2010 10:54 pm

Carburetors > Fuel overfilling/diluting oil in engine sump (14 replies - 13001 views)

I have one of these Haynes manuals and highly recommend it.  Available from Amazon $60.00 or so for a used copy.  Not exactly cheap, but ...   04-10-2010 12:17 am

Ignition > Fuel Injection KIt for 907 (109 replies - 97723 views)

Well Done!  Question:  How were the holes formed?  end mill?  using what fixture(s)?  in what machine?  ...   03-01-2010 03:42 pm

Carburetors > cold air box, PCV (9 replies - 8720 views)

Happy Holidays! Greg is correct on both counts.  Jensen Healeys were not fitted with PCV valves in the early years, if ever.  As to the possibility ...   12-28-2009 05:31 pm

Carburetors > cold air box, PCV (9 replies - 8720 views)

The Positive Crankcase Ventilation, pcv, valve goes in-line with the hose connecting the vapor separator to the air box.  The idea is that the pcv ...   12-22-2009 06:24 am

Ignition > Pertronix Distributor Help!!! (47 replies - 35226 views)

To track down rough running, you will need to eliminate variables.  Dry the plugs.  'Best would be to have all four in as nearly the ...   04-26-2007 03:14 am

Engine & Transmission > Rebuilding/Upgrading the Engine - Advice Sought (25 replies - 20109 views)

Just as a point of clarification, with what year did Lotus begin using Zeus to manufacture the cylinder head?  I have a 1984 910 which ...   12-30-2006 04:44 am


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