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Posts by Esprit2 | |
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574 posts | Showing posts 81-120 of 574 |
Projects > New owner of #15394 (7 replies - 7327 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 - 49584 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 Ignition > Distributor timing and cam belt on a custom high power engine (55 replies - 49584 views) discogodfather wrote:
I think I just answered my own question- cam timing is always TDC on the compression stroke. I think I measured it up ... 05-16-2020 04:50 pm Ignition > Distributor timing and cam belt on a custom high power engine (55 replies - 49584 views) discogodfather wrote:
It's hilarious that Dave Bean sent me a big write up on how to degree in cams that completely emphasizes the importance of degreeing ... 05-16-2020 05:32 am Ignition > Distributor timing and cam belt on a custom high power engine (55 replies - 49584 views) discogodfather wrote:
So, ready to bolt on the heads, just waiting for a couple extra shims to get me to .007" and .012" on intake and ... 05-16-2020 05:26 am Body & interior stuff > GT Chrome Hood Knob (11 replies - 9892 views) Just a guess, but perhaps it's there to create a little turbulence in the slipstream to help disperse the spray from the windscreen washer jet.
Regards,
Tim ... 05-07-2020 12:08 am Miscellaneous > Jensen Healey Key (34 replies - 29892 views) The car is now in my Lotus-friend, Dave's building in St Paul. Ray has not had success finding a shop near him in ... 05-06-2020 04:44 pm VIN Database for Jensen Healey & Jensen GT > Spark Plugs for Lotus 907 - 2.2L Hi Compression Engine (7 replies - 9511 views) I perfer magnetic or optical triggers since the engine doesn't have to be cranking at a minimum rpm for them to work. Heck, ... 05-05-2020 01:28 am Engine & Transmission > ARP Head Stud Installation Procedure (Lotus 907 Jensen Healey) (14 replies - 13931 views) And another... ... 05-05-2020 01:09 am Engine & Transmission > ARP Head Stud Installation Procedure (Lotus 907 Jensen Healey) (14 replies - 13931 views) There is some risk of thread damage if you double nut it. Given the price of ARP studs, treat them well. ... 05-05-2020 01:07 am VIN Database for Jensen Healey & Jensen GT > Spark Plugs for Lotus 907 - 2.2L Hi Compression Engine (7 replies - 9511 views) I mentioned the Crane XR700 & XR3000 ignition systems. Rather than leave that dangling, I'll finish the thought.
It was originally ... 05-04-2020 12:09 am VIN Database for Jensen Healey & Jensen GT > Spark Plugs for Lotus 907 - 2.2L Hi Compression Engine (7 replies - 9511 views) Tom Bradley wrote:
One potential problem, though, is that the distributor cap was not made for these kind of voltages and can go bad quicker. ... 05-03-2020 11:46 pm VIN Database for Jensen Healey & Jensen GT > Spark Plugs for Lotus 907 - 2.2L Hi Compression Engine (7 replies - 9511 views) See the attached JPEG for the spark plug, gap & plug wires Lotus spec'd for their version of the 2.2 equipped with an electronic ignition ... 05-03-2020 11:13 pm Engine & Transmission > ARP Head Stud Installation Procedure (Lotus 907 Jensen Healey) (14 replies - 13931 views) The brown goo is Permatex Aviation Form-a-Gasket. It's readily available at auto parts and hardware stores. It has a sister product ... 05-02-2020 06:00 am Engine & Transmission > ARP Head Stud Installation Procedure (Lotus 907 Jensen Healey) (14 replies - 13931 views) Disco,
The head stud into the cylinder block is 27-30 Lbs-ft with oiled threads, same as for a standard stud. Once the stud is ... 04-28-2020 04:01 am Engine & Transmission > ARP Head Stud Installation Procedure (Lotus 907 Jensen Healey) (14 replies - 13931 views) Disco.
I posted that?
The tightening sequence is correct, center-out in a criss-cross pattern, regardless of the type of gasket used.
But the torque spec is for the ... 04-27-2020 11:18 pm Electrical & Instruments > WOSP Starter Motor Install, 3x the torque and 1/3 the size and weight (15 replies - 16976 views) Not to take anything away from WOSP, but Gustafson Specialty Products make a similar product by modifying Nippondenso geared starters to fit a variety of ... 04-21-2020 09:33 pm Projects > 1973 Jensen Healey #10777 Lotus "Colin Chapman" Edition "Gold Leaf" Build (45 replies - 41890 views) Off Topic, but...
I've owned a number of Lotus 9XX powered cars, and worked on a lot of the engines... I feel I know them. ... 04-21-2020 06:50 pm Projects > 1973 Jensen Healey #10777 Lotus "Colin Chapman" Edition "Gold Leaf" Build (45 replies - 41890 views) discogodfather wrote:
Valve guides seem fine but I do have to measure a bit more. It's .018" clearance right, both intake and exhaust?You're missing a ... 04-21-2020 06:13 pm Electrical & Instruments > WOSP Starter Motor Install, 3x the torque and 1/3 the size and weight (15 replies - 16976 views) Most ignition systems include a ballast resistor prior to the coil. If 12 volts is 'nominal', the resistor will drop the voltage delivered ... 04-21-2020 05:10 pm Engine & Transmission > Lubrication system diagram (25 replies - 23062 views) I've had two 907s develop a problem with "ignition scatter". Put a strobe timing light on it, and the ignition timing could be ... 04-20-2020 05:27 pm Engine & Transmission > Lubrication system diagram (25 replies - 23062 views) SimonD wrote:
Just got her out of her winter slumber and have noticed that the oil pump pulley has moved back against the oil pump housing.Carefully ... 04-20-2020 05:03 pm Engine & Transmission > Lubrication system diagram (25 replies - 23062 views) The auxiliary pulley should be installed with Loctite to secure it.
The little wire circlip that serves as an abutment for the pulley is not very ... 04-20-2020 04:41 pm Ignition > Distributor timing and cam belt on a custom high power engine (55 replies - 49584 views) And a similar one for the 'Lotus' 107 cam lobe. ... 04-19-2020 07:07 am Ignition > Distributor timing and cam belt on a custom high power engine (55 replies - 49584 views) Here's a basic sketch of the 'Lotus' 104 cam lobe. ... 04-19-2020 07:06 am Ignition > Distributor timing and cam belt on a custom high power engine (55 replies - 49584 views) "LOTUS" Cam ID . . . C. . . . . . . D . . . . . . . E. . . . ... 04-18-2020 02:03 am Ignition > Distributor timing and cam belt on a custom high power engine (55 replies - 49584 views) discogodfather wrote:
Ken at Dave Bean didn't seem to have this information, all he could give me was .420 lift/ 290 duration / 104 Lobe Centers.
I ... 04-18-2020 12:28 am Ignition > Distributor timing and cam belt on a custom high power engine (55 replies - 49584 views) discogodfather wrote:
Intake seems to be marked DB3-104? Could that be Dave Bean?Disco,
Have you called Dave Bean Engineering to ask if DB3-104 is theirs? ... 04-17-2020 05:15 pm Engine & Transmission > Lubrication system diagram (25 replies - 23062 views) Yes, drill through. A shallow, blind hole that goes nowhere would do nothing.
If the oil pump and the rest of the system is ... 04-14-2020 04:18 pm Engine & Transmission > Lotus 5 speed transmission (47 replies - 80576 views) The ring dowels are available. Getting new ones shouldn't be a problem. They're a light, tap-in press fit, and aren't usually ... 04-13-2020 06:02 am Ignition > Distributor timing and cam belt on a custom high power engine (55 replies - 49584 views) discogodfather wrote:
Intake seems to be marked DB3-104? Could that be Dave Bean?I've never seen the DB3-104 designation before... which means nothing. The ... 04-13-2020 05:57 am Ignition > Distributor timing and cam belt on a custom high power engine (55 replies - 49584 views) Sorry about the redundancy. It seems I posted something similar back in February.
Tim ... 04-11-2020 08:07 pm Ignition > Distributor timing and cam belt on a custom high power engine (55 replies - 49584 views) Disco,
I'm not so sure about the cam being a Lotus 104. A 'Lotus' 104 cam had 44444444... stamped all around the exposed bit ... 04-11-2020 07:50 pm Projects > 10517 2.2 upgrade (3 replies - 4722 views) Matthew,
Add ten-pinning to your list of machining jobs. The narrow 907 block & main bearing panel were stiff enough for the short-stroke crank ... 04-10-2020 06:21 pm Carburetors > Carburetor mounting (10 replies - 10470 views) Or this cross-sectional drawing. It's for the Lotus Europa Twin Cam, not a J-H, so ignore the secondary throttle in the adaptor manifold ... 03-29-2020 03:43 pm Carburetors > Carburetor mounting (10 replies - 10470 views) For Strombergs, this is the soft-mount gap that needs to be carefully set to 0.070" (1.78 mm).
Regards,
Tim Engel ... 03-29-2020 03:26 pm Carburetors > Carburetor mounting (10 replies - 10470 views) discogodfather wrote:
Just had to do this r&r'ing my webers. The metal spring style washer does not include any washers on either side.When you buy ... 03-27-2020 07:08 pm Carburetors > Carburetor mounting (10 replies - 10470 views) Okay... another long one, so pardon the abuse of banndwidth.
Using or not using washers with Thackeray Washers (springs) is not the make-it or break-it deal ... 03-27-2020 07:01 pm Engine & Transmission > cam carriers SB 74-23 modification (19 replies - 16994 views) The spec valve clearances are stated as a range, typcially two thousandths wide. Lotus specs the clearances as:
0.005"-0.007" Intake
0.010"-0.012" Exhaust
The clearances always close-up ... 03-17-2020 08:18 pm Engine & Transmission > cam carriers SB 74-23 modification (19 replies - 16994 views) Good job. I'm glad you got it all back together. Now, looking back on it all from a different point of ... 03-16-2020 06:20 am | |
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