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Anybody got any ideas as to what i can do to make a Rover v8 a little more torquey.The head gasket is weeping a little on my range rover and i know where theres a spare engine that needs a rebuild.It's an EFi unit and will be hooked up to an auto box if that helps.
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Mr S
Posted a lot
10-4 Good buddy.
Posts: 2,654
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ROVER V8Mr S
@bladerunner30
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You could change the cam for one designed for 4x4s, look at somewhere like RPI engineering for advice on what would work. Failing that, a rebuild normally works wonders for a tired motor. Or get a bigger engine  |
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Suzuki GSXR1000 K2
BMW R1150GS
BMW K1200RS
Chevy K5 Blazer
Chevy Suburban LT
Jaguar XKR
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Yea, RPI can supply you with something like a Piper 270, higher torque but these are best combined with slighlty better heads, decent exhaust & a less-restrictive air filter. Get a set of SD1 heads, polish & port them by hand, fit decent plugs and leads, fit an ARP bottom end kit, nice high-po camshaft, Megasquirt and job done!  www.v8engines.com/Worth talking to them for specifics  |
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ISTR that prefered way is a 4.6 with the 3.9 heads, but that would mean a swap to the later hotwire injection.
Would a 3.5 head bolt onto a 4.6 to use the flapper kit fitted at the moment, or would it be worthwhile building and fitting a megasquirt while it is apart and doing away with air meter all together?
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Can definitely recommend the Megasquirt for it, if you're going to do it - it requires fitting a timing wheel & sensor to the nose of the engine, along with an inlet air temperature sensor & Idle air control (if desired) but it transforms them, much more flexible and reliable. Also, if you get an MS II kit with a V3 PCB, you can drive coil packs directly and do away with the distributor (may need to retain parts of it though, to drive the oil pump, depending on ancilleries) and you can ford through rivers with water over the bonnet, no problems ;D Decent manifolds help a lot too - lot of 2nd hand kit out there for Rangie installs 4.6 is okay but suffers an awful lot of problems with liners and coolant, late 3.9 or 4.0 is a good choice. 3.5 heads should fit the 4.6 but you'd probably be compromising the engine a little, plus the flapper system would probably not be able to fuel correctly for that setup without some serious reworking.... You could switch to a Thor intake manifold - that increases torque as well.... |
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Last Edit: May 7, 2007 11:14:31 GMT by Lewis
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I have looked at megasquirt but i would like to keep things simple,i like the sound of that cam.Its stuff like that i wanted to know about,as some companies like to tell you that their products great,but just wanted to know what works in the real world.
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rrv8
Part of things
Posts: 42
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On a Range Rover there is plenty of options , if you want it for playing in the mud then ditch the mid boxs on the exhaust and also fit tubular exhaust manifolds (John Wolferace in Bedford had them on promotion £158 per pair ), decent air filter as well and you will feel a big difference and it will sound the part as well
If you want to get serious then go for the RPI torque max cam , stage 1 heads , the above exhaust mods and a boxer manifold with 4 SU's , then up hill you might be able to keep up with me
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I'm looking for the best compromise,I'm mainly using it on the road but don't want to get stuck in a cow pat ;D.Exhaust options sound good,as the back box fell of a month ago and i have patched it up for now.I've got two spare heads aswell and i might have a go at "cleaning" them up.Also the sparks pretty good but i want better,does anyone know of a good coil to use.
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