P38A Is it time to jump to LPG ? (4.6l Gems)

This site contains affiliate links for which LandyZone may be compensated if you make a purchase.
Karlos the jackal said:
ah that's OK then thought might be a big job cause the SC on the top of the engine
Click to expand...
I'd check where the hose spigot could be fitted but my mat
Ratae said:
Sloper 500 & 600.
Popular as sidecar outfits - albeit one of my friends had a wooden television box (minus tv!) bolted to the chassis.
TBF I had a chassis on mine with a tin bath bolted to it. In those days you could ride an outfit on L plates. :)
Didn't rebuild it as a solo until the late 80's having moved house a couple of times with it in bits & then used it as daily to & from work transport.
Click to expand...
My mate had one with a sidecar:eek::D great fun
 
tomcat59alan said:
My mate had one with a sidecar:eek::D great fun
Click to expand...

^^^ Just had to be a bit careful on left handers, if you overcooked it the chair would come up & I've done a few left turns on two wheels & my right boot sole :)
Unless you had a brake on the chair wheel.
 
Ratae said:
Sloper 500 & 600.
Popular as sidecar outfits - albeit one of my friends had a wooden television box (minus tv!) bolted to the chassis of his 600.
TBF I had a chassis on my BSA with a tin bath bolted to it. In those days you could ride an outfit on L plates. :)
Didn't rebuild it as a solo until the late 80's having moved house a couple of times with it in bits & then used it as daily to & from work transport.
Click to expand...
Fun days, I had an hand gearchange Indian with a cast iron bath on the side car chassis, 5 of us could go to the biker cafe on it, 2 on the bike 3 in the bath:eek::D:D:D
 
tomcat59alan said:
No,small hole drilled in the inlet manifold to take hose fitting, push on the hose mount the oil reservoir and top up with the lubricant,start engine and adjust the amount of oil being fed to the inlet manifold.
Click to expand...
It is a bit more involved on the supercharged, minimum is electronic flash lube system with a twin feed splitting across the x2 banks. On the rrs forum others in the know advise a separate feed into each individual injector. Iv just recently bought 1 and it has lpg fitted and it's a high end system with twin brc vapourisers and electronic flash lube.
 
biketeacherdave said:
It is a bit more involved on the supercharged, minimum is electronic flash lube system with a twin feed splitting across the x2 banks. On the rrs forum others in the know advise a separate feed into each individual injector. Iv just recently bought 1 and it has lpg fitted and it's a high end system with twin brc vapourisers and electronic flash lube.
Click to expand...
Oh bugger that sounds expensive:eek:
 
biketeacherdave said:
It is a bit more involved on the supercharged, minimum is electronic flash lube system with a twin feed splitting across the x2 banks. On the rrs forum others in the know advise a separate feed into each individual injector. Iv just recently bought 1 and it has lpg fitted and it's a high end system with twin brc vapourisers and electronic flash lube.
Click to expand...
is there any chance you could pm me some pictures of your set up on your RRS supercharger please
 
norseman said:
This is my own experience of running LPG; make whatever you like of it.

I had my 3.9 LPG adapted at 75k miles by an recognised convertor. 10k miles later the engine developed a light tapping at piston speed the moment it reached running temperature, no noise up to that point so I knew it wasn't the hydraulic tappets. Early on switching back to petrol whilst driving resulted in the 'tap' fading away only to return within a mile or so of switching back to gas. Before long the noise was appearing shortly after starting from cold & really loud. A subsequent strip down revealed #3 liner was moving & I had to source a new block.
Exactly the same thing happened to a mate's 3.9 after roughly the same post-conversion (by a different installer) mileage. Both RR's had enjoyed a perfectly healthy cooling system.

The good 'ole 3.5 may well be ok with the gas because it has more 'meat' around the liner, but IMO any 94mm bore RV8 is vulnerable :(
Click to expand...

MyGorsky put LPG on his 4.6 at about 60k. He's now over 160k but 7 out of 8 cylinders are down on compression. Not sure why but the engine is with V8 Developments as we speak so maybe they will find something. I guess the valve seats could be knackered.
 
The old v8 4.6 engines are good for lpg conversions, gems or thor. Lpg doesn't cause any real problems the valve seats are all ready hardend so no reported issues of valve seat recession.

The jag v8 4.2 engine however has known issues when converted to run lpg they have soft valve seats that burn out on lpg and are sometimes known todo it on just petrol alone. Even when fitted with valve lube a rrs forum member reported valve seat recession and a wrecked engine.

I have compression tested the engine in this new to me car and its slightly down on compression on 1 cylinder but within spec for now. The lpg is not going to be used much at all if any as my milage per year is low and as mentioned my L322 4.4 petrol will hopefully get ulez exemption if it does that will be our daily driver for the wife to replace her tdv6 D3 which cannot get ulez approval.

Iv not checked on the reg doc to see if the sport has been registered bi fuel or not as in standard form the 4.2 engine is ulez......mad I know at just 9.6 mpg around town if pushed but iv seen 26ish mpg on a run.

Currently showing 13.6 mpg and iv been sorting it since I got it with a few issues just the supercharger snout bearings to replace and lower control arms both sides then it's pretty much a sorted car......holds breath ..:rolleyes:
 
You must log in or register to reply here.

Similar threads

B
LPG fitted to 1.8 Freelander
Replies
19
Views
6K
Alibro
Alibro
Back
Top