The 'E' Type Forum

:yeahthat: because it sounds exactly like a blocked fuel filter, that there's only enough getting through to support gentle driving below 1500 rpm. When there's not enough fuel combustion will initially be sporadic = "bunny hopping". On the subject of vacuum signal source; imo the most responsible a...

We're making enough for 15 full sets of these:



They make refitting an IRS a cinch. Very useful considering how much maintenance of brakes suspension, diff and drive shaft requires this. Also fitting new mounts does sharpen up the stance ...

‘Ported’ vacuum is when the vacuum is taken from the carburettor, for vacuum advance it is above and just outside the throttle plate. There are two benefits compared to manifold vacuum: Manifold vacuum drops off as the throttle is opened. Ported vacuum, because of the relatively high air velocities ...

I would not expect changing the flanges would affect the balance, which is mainly to correct the fabricated shaft. Was the new one sold as having been balanced, are there balance weights?

That's brave. Aim to compress the mounts close to 60 mm, i.e. by simple geometry:

This one's my favorite ...

Update of where this tool is at: Available to purchase as a FULL set or a HALF set. FULL set includes 8 holding plates, 4 holding bolts, 2 aluminium blocks, weighs 0.75 kg. HALF set is half of the above. FULL set is recommended for fitting new IRS mounts to all e-types, including S3’s and 2+2’s. For...

Corrected my post, I'd previously used the wrong values for yield and ultimate stresses for bolts. So Jaguars spec is only 70% of yield, i.e. not "torque-to-yield". As I added, crazy waste to replace these studs, imo.

Crazy waste to change these studs imo, if they are otherwise in good condition ... By my calcs 58 lb.ft torque will load a slightly lubricated (K=1.5) 7/16 unf grade 8 stud to 70% of its nominal yield strength (896 MPa). So 85 lb.ft would have momentarily caused 102% of yield strength. So what? Note...

I’d go one step less, leave as is, 58 lb-ft, wouldn’t even change the head gasket. By torquing to 85 lb-ft you have proven your studs are still good and strong. You will not have stretched them, it would take a lot more than that. In any case, believe it or not, it wouldn’t matter if you had. Stretc...

Is the tacho casing connected to earth?

Then, a vacuum gauge should show if there is a leak. What car is it, what state is the positive crankcase ventilation, might this be allowing in air?

Are you saying it's hard to start?

Ok, it would be great to be able to share what it is costing to develop this thing, I’ll make them as cheaply as I can, happy for any suggestions. Kit could comprise eight of the plates, four of the bolts and two auxiliary blocks for use during compression. The plates were 3D modelled, different arr...

Here is my solution to the IRS mounting issue, applicable to all Jaguar IRS's, not just e-types: https://i.postimg.cc/sfYD9mXp/IMG-20240216-193606.jpg Instead of trying to compress the mounts while installing the IRS, the mounts can be pre compressed and these small plates used to hold this compress...

One problem with lean mixtures is that the unburnt oxygen tends to combine with nitrogen to form nitrogen oxides, causing smog, acid rain and ozone depletion. Another problem is that there is nothing to be gained by doing this. As example consider a 6 litre engine with AFR 15.5:1 ticking over at 240...

Next time consider using an endoscope that plugs in to your phone (camera). Attach the camera end to a block of wood that you can move around on the floor until the timing marks are in focus. The timing light similarly mounted. Place yr phone (display) next to the distributor ...

The older it is, the harder and more brittle the rubber will have become, the less effective it will be …

Another thing to try: Driving with the boot unlatched, the slipstream holds the boot lid partially open. Supporting and fixing the lid in this positon, what does that do to yr wool?
Have you tried wool on any other car , is it any different?

So - if somebody does have an answer - pls put me out my misery... Sorry Tim no answer, only questions: Did you try blocking the openings that connect the boot to the rear of the cockpit? Did you try temporarily sealing the boot by taping over the boot lid gap? My theory is that if we can stop the ...