Range Rover P38 4.6 lump
Discussion
ChilliWhizz said:
Just wondering, has anyone bought a 4.6 Rangie lump and put it in the Chim? Would like to hear any experiences, what work/parts would be required to take a 4.6 straight from an auto Range Rover and plant it in the Chim....
Lots of thanks,
Chilli
A few have, it's basically the same but you might find the cam is more for stump pulling than bhp, just be aware of slipped liners they seem more common on range roversLots of thanks,
Chilli
ChilliWhizz said:
Just wondering, has anyone bought a 4.6 Rangie lump and put it in the Chim? Would like to hear any experiences, what work/parts would be required to take a 4.6 straight from an auto Range Rover and plant it in the Chim....
Lots of thanks,
Chilli
Chop off / extract the locating stud on the crank flange so the flywheel will bolt on.Lots of thanks,
Chilli
Strip the front end to fit your timing cover, cam is also different so you'll need a new one.
Swap sumps over, remove 4.6 oil pick up & fit TVR one.
spend said:
ChilliWhizz said:
Just wondering, has anyone bought a 4.6 Rangie lump and put it in the Chim? Would like to hear any experiences, what work/parts would be required to take a 4.6 straight from an auto Range Rover and plant it in the Chim....
Lots of thanks,
Chilli
Chop off / extract the locating stud on the crank flange so the flywheel will bolt on.Lots of thanks,
Chilli
Strip the front end to fit your timing cover, cam is also different so you'll need a new one.
Swap sumps over, remove 4.6 oil pick up & fit TVR one.
ChilliWhizz said:
spend said:
ChilliWhizz said:
Just wondering, has anyone bought a 4.6 Rangie lump and put it in the Chim? Would like to hear any experiences, what work/parts would be required to take a 4.6 straight from an auto Range Rover and plant it in the Chim....
Lots of thanks,
Chilli
Chop off / extract the locating stud on the crank flange so the flywheel will bolt on.Lots of thanks,
Chilli
Strip the front end to fit your timing cover, cam is also different so you'll need a new one.
Swap sumps over, remove 4.6 oil pick up & fit TVR one.
At the end of the day it ends up that all you really want is a later block with caps, 4.6 crank & rods then 4.0 pistons. The rest you grab off the TVR except the bearings / cam / followers etc which you probably want new?
spend said:
It's not an inconsequential amount of work... If you want higher performance NA it's typical to also swap the 4.6 pistons for 4.0 ones to raise the CR... Then if you want sporty cam you also need to look at valve reliefs in the pistons and reworking heads for a higher lift cam etc (unless you swap the TVR heads over as well).
At the end of the day it ends up that all you really want is a later block with caps, 4.6 crank & rods then 4.0 pistons. The rest you grab off the TVR except the bearings / cam / followers etc which you probably want new?
That's what I have in the green chim.At the end of the day it ends up that all you really want is a later block with caps, 4.6 crank & rods then 4.0 pistons. The rest you grab off the TVR except the bearings / cam / followers etc which you probably want new?
That plus lightened fly, 72mm plenum etc.
phazed said:
My original 4.6 came out of a fire damaged RR.
It was fitted with the Real Steel Typhoon cam and a 72 mm plenum and made 275 horses.
I ran this faultlessly for about 30 TDs, refreshed it and it's now in Dereks gas sniffer! Strong old engines..........
Its since done about 20k road miles and hundreds of full bore 1/4 mile sprints.It was fitted with the Real Steel Typhoon cam and a 72 mm plenum and made 275 horses.
I ran this faultlessly for about 30 TDs, refreshed it and it's now in Dereks gas sniffer! Strong old engines..........
It has been rebuilt with top hat liners, ARP mains and head studs and also one of the 4.0 pistons was replaced (thanks again for that Rob).
spend said:
ChilliWhizz said:
spend said:
ChilliWhizz said:
Just wondering, has anyone bought a 4.6 Rangie lump and put it in the Chim? Would like to hear any experiences, what work/parts would be required to take a 4.6 straight from an auto Range Rover and plant it in the Chim....
Lots of thanks,
Chilli
Chop off / extract the locating stud on the crank flange so the flywheel will bolt on.Lots of thanks,
Chilli
Strip the front end to fit your timing cover, cam is also different so you'll need a new one.
Swap sumps over, remove 4.6 oil pick up & fit TVR one.
At the end of the day it ends up that all you really want is a later block with caps, 4.6 crank & rods then 4.0 pistons. The rest you grab off the TVR except the bearings / cam / followers etc which you probably want new?
I have a rebuilt RR 4.6 block in the garage now. Tophats, 4.0 pistons. Also got new stg3 heads, ported inlet and 45mm trumpets. MC1 cam. I really want a twin plenum to go with!
And also wondering, when I reassemble the heads should I get the yella terra roller rockers set? Anyone tried it?
And also wondering, when I reassemble the heads should I get the yella terra roller rockers set? Anyone tried it?
Speak to Dom at power about " just fitting " 4.0 pistons to a 4.6 RR donkey
If you put the 4.5 / 5.0 cam in also , I think the the valves might clout the piston tops ? ( depending on dialling wich cam in )
You may need the valve cut outs machining on the piston tops / Dom has the gear to do this
Just to be on the safe side
Hope this helps
If you put the 4.5 / 5.0 cam in also , I think the the valves might clout the piston tops ? ( depending on dialling wich cam in )
You may need the valve cut outs machining on the piston tops / Dom has the gear to do this
Just to be on the safe side
Hope this helps
Speak to Dom at power about " just fitting " 4.0 pistons to a 4.6 RR donkey
If you put the 4.5 / 5.0 cam in also , I think the the valves might clout the piston tops ? ( depending on dialling wich cam in )
You may need the valve cut outs machining on the piston tops / Dom has the gear to do this
Just to be on the safe side
Hope this helps
If you put the 4.5 / 5.0 cam in also , I think the the valves might clout the piston tops ? ( depending on dialling wich cam in )
You may need the valve cut outs machining on the piston tops / Dom has the gear to do this
Just to be on the safe side
Hope this helps
Speak to Dom at power about " just fitting " 4.0 pistons to a 4.6 RR donkey
If you put the 4.5 / 5.0 cam in also , I think the the valves might clout the piston tops ? ( depending on dialling wich cam in )
You may need the valve cut outs machining on the piston tops / Dom has the gear to do this
Just to be on the safe side
Hope this helps
If you put the 4.5 / 5.0 cam in also , I think the the valves might clout the piston tops ? ( depending on dialling wich cam in )
You may need the valve cut outs machining on the piston tops / Dom has the gear to do this
Just to be on the safe side
Hope this helps
Bonjour Heath
Forget changing the engine perhaps we should be looking into the best way to modify the excellent 4L lump in my Chim to a 4.6 or may be 5L without the expense of a new / second hand lump from a breakers yard,
I guess the heads of either will need work so no difference in cost for the heads.
Any news on my Griff?
Andy
(Sat in Paris hotel drinking beer)
Forget changing the engine perhaps we should be looking into the best way to modify the excellent 4L lump in my Chim to a 4.6 or may be 5L without the expense of a new / second hand lump from a breakers yard,
I guess the heads of either will need work so no difference in cost for the heads.
Any news on my Griff?
Andy
(Sat in Paris hotel drinking beer)
Bonjourno Andy
The griff is finished, lookin awsome.
(Un.... Doux...Trois... Boom !! ). He heee
New paint , new alarm with boot release in the fob
New Nitrons fitted, sooo good
Hot start fitted
Rear top arm bushes fitted with thrusts
It pivots so good now and feels connected to,the road
N/S headlight pod painted / all back in
Car polished and covered up ready for collection
Ohh I calnt shut the boot .... I have filled it with onions and French sticks
If your Mrs is reading this.. This message will self destruct in 3 seconds
The griff is finished, lookin awsome.
(Un.... Doux...Trois... Boom !! ). He heee
New paint , new alarm with boot release in the fob
New Nitrons fitted, sooo good
Hot start fitted
Rear top arm bushes fitted with thrusts
It pivots so good now and feels connected to,the road
N/S headlight pod painted / all back in
Car polished and covered up ready for collection
Ohh I calnt shut the boot .... I have filled it with onions and French sticks
If your Mrs is reading this.. This message will self destruct in 3 seconds
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