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by ramon alban
Sat Jun 20, 2015 10:21 am
Forum: Drivetrain & Transmission Area
Topic: LT77 Gearbox Speedo Transducer - PINION SWAP
Replies: 6
Views: 4503

Thanks Stevie. I can see that could be part of my solution. Dave, you are right. Currently I have an intermittent faulty unit in the car and several spares with the wrong gear wheel (pinion). If I can swap my existing pinion on to one of my spare units, I can solve the problem. If not I could try to...
by ramon alban
Fri Jun 19, 2015 11:54 am
Forum: Drivetrain & Transmission Area
Topic: LT77 Gearbox Speedo Transducer - PINION SWAP
Replies: 6
Views: 4503

LT77 Gearbox Speedo Transducer - PINION SWAP

Circa 2010 - 2012. Does any one recall a V8 Forum Member posting about swapping pinions on the LT77 Speedo Transducer? The gentleman concerned must have established a method of removing the pinion without damage and exchanging different color pinions to suit his need. I think he also sold swapped Sp...
by ramon alban
Thu Nov 13, 2014 2:13 pm
Forum: Engines Area
Topic: Correct compression psi
Replies: 8
Views: 4763

Many thanks, I was talking to someone who thinks That my valve rings( is that correct term) may be gone as even Though I have decent compression and good vacuum , I get some Smoke going into the air filter from the engine, my car idles differently with pancake air filter off to when on , is this no...
by ramon alban
Wed Nov 12, 2014 11:49 am
Forum: Engines Area
Topic: Correct compression psi
Replies: 8
Views: 4763

Hello mrsimsam, It varies, of course, with compression ratio and altitude. In your case 10.5 CR multiplied by 14.7 lbs/sq inch atmospheric pressure (say, near the seaside, approx) = 154 psi. Take off a bit (up to, say, 10%) for reasonable losses around the rings, valves and what the cam is doing, th...
by ramon alban
Wed Sep 24, 2014 8:49 am
Forum: Cooling Area
Topic: Yet another bleeding question
Replies: 10
Views: 5809

Thanks. Most interesting. I removed the stat and the problem vanished. I removed it because it was also opening late, and by the time it did, the fan switch didn't have time to catch up and didn't kick in until 100. Now its coming in at 90 and I've gained a few degrees. You'll probably be coming ba...
by ramon alban
Tue Sep 23, 2014 9:18 am
Forum: Cooling Area
Topic: Yet another bleeding question
Replies: 10
Views: 5809

I believe what happens is this: Air pockets get dragged around the cooling system randomly according to the speed of water flow. ie related to engine rpm. When one of the pockets of air pass by the exhaust manifold water galleries (by far the hottest locality) the coolant thereabouts turns to superh...
by ramon alban
Thu Sep 18, 2014 8:07 am
Forum: Electrical & Ignition Area
Topic: Urgent ignition problem help
Replies: 4
Views: 1654

What makes a spark plug just give up like that? Was fine this morning. They must only have done about 3K. Hello Bart, http://www.vintagemodelairplane.com/images/Rover/SparkPlug01.png Perhaps half a dozen reasons why a new spark plug will fail prematurely. # damage to electrodes when initially insta...
by ramon alban
Thu Aug 28, 2014 1:53 pm
Forum: Exhaust, Cylinder Heads, Fuel And Intake Area
Topic: What grade of petrol for 10.2:1 Rover V8?
Replies: 6
Views: 3517

Hello ?. I guess is depends upon your use! Urban? Long haul Motorway? Track? For normal urban motoring you will definitely be able to do all you need with 95 RON. Don't thrash it and don't overload it. Let it rev freely and change your engine oil every 3000 to 6000 miles according to how it looks an...
by ramon alban
Wed Aug 27, 2014 1:42 pm
Forum: Engines Area
Topic: When to fit an oil cooler
Replies: 8
Views: 3861

Hello Richard, In general the original (shall we say) SD1 V8 set-up of cabin heater, radiator, thermostat, cowelled viscous fan and Aux fans - if fitted - is perfectly capable of overcooling the engine. It is the responsibility of the thermostat and the viscous fan to, jointly, control the coolant a...
by ramon alban
Sun Jul 27, 2014 11:34 am
Forum: Drivetrain & Transmission Area
Topic: LT77 difficulty changing up from second to third
Replies: 3
Views: 3038

You could add molyslip! as per pages 3 & 4 of the pdf available from here: http://www.vintagemodelairplane.com/pages/Downloads/Rover_Tasters/Gearbox01.html If that does not work, check and renew if necessary the rubber bushes of the 'remote' assembly. http://www.vintagemodelairplane.com/images/Taste...
by ramon alban
Mon Jun 23, 2014 6:08 pm
Forum: Drivetrain & Transmission Area
Topic: SD1 LT77 gearlever removal?
Replies: 5
Views: 4026

xxxxxqs

Hello Mick,

Its a while since I worked on mine and my memory fails me.

However from this link on my web site there are two LT77 PDF Workshop Manuals for download.
http://www.vintagemodelairplane.com/pag ... box01.html
by ramon alban
Wed May 28, 2014 11:12 am
Forum: Electrical & Ignition Area
Topic: Ignition amp? Flapper EFI, standard Lucas dizzy, TVR
Replies: 8
Views: 2191

Hi all I've had a couple of "fail to starts" recently when the car has been sitting for 10 minutes or so after a long run , Are you just presuming that the ignition amplifier is faulty or have you proved it by observing nil sparks at the king lead immediately upon opening the bonnet? What if it it ...
by ramon alban
Mon May 12, 2014 7:57 pm
Forum: Exhaust, Cylinder Heads, Fuel And Intake Area
Topic: 3.9 Efi over fuelling white smoke
Replies: 14
Views: 9161

Re: Over fuelling

Very interesting and I can report it will not tick over unaided by the throttle but as it's in the garage I cannot hang around without suffering from c02 poisoning. Orange can you clarify this? The statement confuses me if the engine will not tick over - otherwise you could stay in the garage with ...
by ramon alban
Thu May 08, 2014 1:44 pm
Forum: Exhaust, Cylinder Heads, Fuel And Intake Area
Topic: 3.9 Efi over fuelling white smoke
Replies: 14
Views: 9161

Re: 3.9 Efi over fuelling white smoke

What is interesting it still starts and runs with throttle when the fuel pump relay is pulled and pump not working. Must be pulling fuel through. First thing you need to do is check just what is happening with the fuel pump - as it certainly can't 'pull fuel through' with the pump stopped when thin...
by ramon alban
Mon Apr 14, 2014 11:07 am
Forum: Electrical & Ignition Area
Topic: Looking for flapper system specialist in Essex?
Replies: 7
Views: 2101

Re: Looking for flapper system specialist in Essex?

Almost immediately it started playing up going into a massive stuttering misfire when you tried to use anything more than half throttle. Sometimes it would behave itself though and drive perfectly - usually when hot. I've replaced the ignition amp and ecu temp sensor - but the car was almost imposs...

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