 | Home > V8 > Stage One V8 4.6 GEMS Build |
 
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| cartoonhead Member Since: 02 Mar 2018 Location: Bucks Posts: 135   
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Okay, so it's not quite a Defender, but it's pretty close and sitting on defender axles and has a flat front. Here's my Stage One V8 109:
 Click image to enlarge She's not very original, got the wrong axles with a galvanised chassis and she's had more holes drilled in her than a sieve. She's perfect. Except the engine, that's tired and gutless. So anyway, I stumbled across a 4.6 for sale out of a P38, recently rebuilt by RPI and top hat linered. Comes complete with the GEMS setup too. No more carbs! An ECU which self-tunes, is relatively simple and pretty reliable (in my experience*). You son of a bitch, I'm in. Anyway how hard can it be, it's basically the same engine, right? No. It's hard. Don't do it! I haven't even done it yet and I'm finding it hard! It's also expensive. This is where I'm at so far. Parts Sourced
Parts Still Needed
Outstanding Issues
Here's my plan for actually doing the thing. Prep I can do at home
Things I'll do with my friend Mark
Finishing bits I can do
Shoutout to HufflePuff for the DM support and being my canary down the mine 
@tab.travels on instagram
Defender 130 2.2 TDCI Defender 90 TD5 80" CCV Trialer 4.6 V8 (14CUX) Stage One V8 109 - 3.5 V8 Stage One V8 109 - 4.6 V8 (GEMS) - in progress Range Rover L322 4.4 TDV8 Freelander 1 2.0 TD4 |
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9th Jun 2022 8:51am |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11324
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What a fantastic project. I do love a Stage 1
 Darren
110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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9th Jun 2022 8:58am |
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| Linds Hanson Member Since: 16 Jan 2021 Location: Cornwall Posts: 485
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Great project but would probably go with a V8 R380 and probably a Borg Warner transfer with lowered high range gearing, you may have to think about reducing front spring wrap also with the extra power
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9th Jun 2022 10:12am |
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| cartoonhead Member Since: 02 Mar 2018 Location: Bucks Posts: 135
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Me too! Fingers crossed it all works out.
Thanks! I'm not touching the paint, it's got a great patina. I didn't like the brown but it's grown on me over the years and now I think it's so ugly it's cool. Where's your build thread?! I need inspiration 
To be honest, I really can't stand the r380 gearbox. If things don't work out I'll go auto, but for me the LT95 is perfect; it's strong and just feels like a proper Land Rover gearbox, nice and agricultural. I've also got a tall 4th out of a range rover and an overdrive. Can you elaborate on "spring wrap"? I'm not sure what that is? Edit: TIL what axle wrap is - thanks for the pointer! Looks like it shouldn't be too hard to fabricate something up. @tab.travels on instagram Defender 130 2.2 TDCI Defender 90 TD5 80" CCV Trialer 4.6 V8 (14CUX) Stage One V8 109 - 3.5 V8 Stage One V8 109 - 4.6 V8 (GEMS) - in progress Range Rover L322 4.4 TDV8 Freelander 1 2.0 TD4 |
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9th Jun 2022 11:06am |
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| Linds Hanson Member Since: 16 Jan 2021 Location: Cornwall Posts: 485
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Yes each to there own I guess I just had too many years fixing LT95s in RRC and 101s and listening to people spout on how strong LT85s and 95s are that the R380 in its final form with a few mods and some Swepco oil makes a strong reasonably refined transmission
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9th Jun 2022 12:25pm |
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| Pickles Member Since: 26 May 2013 Location: Melbourne Posts: 3783  
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Sounds really good, looking for further updates & pics.
Pickles. |
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9th Jun 2022 10:41pm |
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| GREENI Member Since: 22 Aug 2010 Location: staffs Posts: 10380
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Very nice!
Watching with interest. |
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10th Jun 2022 7:04am |
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| cartoonhead Member Since: 02 Mar 2018 Location: Bucks Posts: 135
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That's handy, because I'll probably have a few questions for you 
Pretty boring update from me; I was going to buy a junction box for the ECU to live in but then realised I could just buy a used P38 battery and ECU housing for the same money. This is how the housing looks: Click image to enlarge I just cut the battery part off, which left me with the ECU housing that all seals up nicely. There are two seals on the loom itself and another around the lid. It doesn't fit right now, but with the new engine the alternator will be further over and there should be plenty of space for it to live here: Click image to enlarge And that's almost exactly where it would live in a P38: Click image to enlarge @tab.travels on instagram Defender 130 2.2 TDCI Defender 90 TD5 80" CCV Trialer 4.6 V8 (14CUX) Stage One V8 109 - 3.5 V8 Stage One V8 109 - 4.6 V8 (GEMS) - in progress Range Rover L322 4.4 TDV8 Freelander 1 2.0 TD4 |
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10th Jun 2022 5:18pm |
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| Organised Chaos Member Since: 20 Dec 2008 Location: Chesterfield Posts: 56 
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Have you tried Allyfab for the radiator, they made me one for my series2a v8 in less than a week, that was a couple of years ago.
http://www.allyfab.co.uk/ |
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10th Jun 2022 7:59pm |
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| cartoonhead Member Since: 02 Mar 2018 Location: Bucks Posts: 135
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Funny you should say that; Allisport actually ended up sending me the radiator last week! Turns out they had everything needed for a stage one v8 rad. Here it is, nice and shiny, with fans: Click image to enlarge I also decided to replace my knackered servo with a very expensive (but also shiny) uprated 8" one from Haystee. She's already on defender axles with disk brakes all around and stops very well now. I did have to nip out a little bit of the wing which was a shame: Click image to enlarge I didn't take a pic, but I cleaned up, painted and fitted my 3.9 manifolds to the engine and bolted the flywheel on. She's now over at my mates with the new engine in the back. He's going to pull out the old block and drop the new one in, then it's coming back to me to plumb in all the ancillaries. Hopefully, this is the last pic of her with a 3.5 V8 in: Click image to enlarge @tab.travels on instagram Defender 130 2.2 TDCI Defender 90 TD5 80" CCV Trialer 4.6 V8 (14CUX) Stage One V8 109 - 3.5 V8 Stage One V8 109 - 4.6 V8 (GEMS) - in progress Range Rover L322 4.4 TDV8 Freelander 1 2.0 TD4 |
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27th Jun 2022 2:16pm |
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| Stacey007 Member Since: 25 Sep 2015 Location: Cheshire Posts: 3748
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Hello
That's a great project, I have done around 150 miles in the last few days in my Series 3... 2 1/4 petrol and any slight incline involves much gear changing 
As a side what wheels are they and do they fit standard bolts etc? |
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27th Jun 2022 2:31pm |
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| cartoonhead Member Since: 02 Mar 2018 Location: Bucks Posts: 135
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Nice! I'm hoping I won't need to change gear much once the 4.6 V8 goes in They are called wolf wheels, they will fit your series 3 just fine with a few small caveats:
* They are expensive these days, though you can get cheaper non Land Rover copies I don't know if they are any good. * They are heavier than standard wheels! Defender 130 2.2 TDCI Defender 90 TD5 80" CCV Trialer 4.6 V8 (14CUX) Stage One V8 109 - 3.5 V8 Stage One V8 109 - 4.6 V8 (GEMS) - in progress Range Rover L322 4.4 TDV8 Freelander 1 2.0 TD4 |
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27th Jun 2022 2:47pm |
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| MercianRover Member Since: 07 Apr 2022 Location: Culworth Posts: 141 
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Cooling performance will be better if those fans had a shroud.
Also try and wire them so you have a dual temperature thermal switch (e.g. X-Eng) controlling the relays so you have off, half speed (fans in series) and full speed (fans in parallel). I've found on my 100" that this manages temperatures well and keeps noise down too. The fans will cut in in slower traffic but rarely needs full speed (usually after a good climb off-tarmac), also keeps current draw reasonable. Try and make room for vents to let the hot air out from the engine bay - this is as important as getting the cool air in. Click image to enlarge |
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27th Jun 2022 3:28pm |
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| cartoonhead Member Since: 02 Mar 2018 Location: Bucks Posts: 135
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Thanks for the tips MercianRover - I wasn't familiar with the x-eng fan switch, I'll definitely do that. Out of interest what temp thermostat are you running on your 100"? @tab.travels on instagram
Defender 130 2.2 TDCI Defender 90 TD5 80" CCV Trialer 4.6 V8 (14CUX) Stage One V8 109 - 3.5 V8 Stage One V8 109 - 4.6 V8 (GEMS) - in progress Range Rover L322 4.4 TDV8 Freelander 1 2.0 TD4 |
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27th Jun 2022 6:20pm |
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