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Aug 31, 2016 19:28:08 GMT
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Progress! New injectors fitted last week (450cc from Astra VXR). The Megasquirt was great, the new injectors are almost exactly twice the flow rate of the old ones, so I just halved the required fuel setting and she drives great! Now the Trabant is of the drive I could bring the TVR round and start taking it apart. I pretty much stripped all of the cooling system and took the bonnet off for better access. The biggest worry was that the manifold welding had warped the pipework but I am pleased to report it still fits! With the turbo mocked up in place the plan for the next couple of weeks is get the wastegate mounted, sort out the oil and coolant lines and get the intercooler in and all the pipework sorted. A modified cross member will also need to be made up at the same time. Once that is all good it will come out again for a final clean up / paint / polish and to get the internal wastegate of the turbo welded up. I have already found an issue with my original plan in that to get any pipework to the turbo inlet is going to be far too restrictive, so I am having to compromise and fit a filter directly to the turbo.   |
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quackshot
Posted a lot
...friggin' cars...
Posts: 1,354
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Great work!
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The intercooler pipework is now ordered as well as the fittings and hose for the MAP sensor / boost gauge.
I have also enquired to get a posh new dash with 2 extra holes for the boost and AFR gauges. Hopefully today I will get a chance to fit the intercooler.
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What a great, unusual project - as has been said before there are few with the courage to mod a TVR!
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"Mechanical Power Subduing Animal Speed" (Robert Trevithick, 1808)
'72 BMW 2000 Touring
'99 TT 180 (mrs)
'72 BMW 2500
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Sept 5, 2016 16:31:04 GMT
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Colonelk
Posted a lot
Posts: 3,742
Club RR Member Number: 83
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Sept 5, 2016 17:05:15 GMT
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Oh helloooooo, I like where this is going  |
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gazz81
Part of things
Posts: 842 
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Sept 5, 2016 17:37:50 GMT
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Oh helloooooo, I like where this is going In the hedge if it doesn't have a good set of tyre's. |
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Sept 7, 2016 10:32:07 GMT
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Sump removed and cleaned before fitting the turbo oil return fitting. I have a 90 degree barbed fitting and 10an hose on order as the one that came with the kit is too short. The vacuum advance port was also removed, drilled and tapped to be bunged with an m3 bolt.  |
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Sept 9, 2016 13:50:19 GMT
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Nice work fella, I've had my turbo'd rover V8 lump on the road about 4 weeks now and i can assure you, you'll love it  |
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Too many projects, not enough time.
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Sept 12, 2016 11:52:53 GMT
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So progress is continuing as parts are finally starting to turn up again. Pictures soon. To simplify pipework and just because I can, the current plan is for a 'subtle' bonnet exit screamer pipe The original idea was to stick it under the car but there is no easy route. It could look badass or totally naff but its only fibreglass at the end of the day. Opinions on a postcard please before I start chopping |
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fer4l
Posted a lot
Testing
Posts: 1,497
Club RR Member Number: 73
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Sept 12, 2016 14:47:19 GMT
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So progress is continuing as parts are finally starting to turn up again. Pictures soon. To simplify pipework and just because I can, the current plan is for a 'subtle' bonnet exit screamer pipe The original idea was to stick it under the car but there is no easy route. It could look badass or totally naff but its only fibreglass at the end of the day. Opinions on a postcard please before I start chopping Do it, please |
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Sept 12, 2016 14:57:08 GMT
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New oil pressure sender  Oil return sorted, just need another 90 degree fitting for the turbo side. Its a long run but the turbo sits about 5" higher than the sump fitting so hopefully it should drain ok.  Oil feed sorted, hose is way to long though so will pop to the local hydraulics place to try and get it shortened.  |
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Sept 12, 2016 16:21:01 GMT
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And to finish the day I cleaned and refitted the washer bottle, and relocated the horn. Happy now that everything in the front of the car is sorted Next up is research for the turbo water cooling. Annoyingly I don't know what thread size they are but should be something standard. Need to decide where to take off from the cooling system too. One vote so far for bonnet screamer then  |
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Sept 12, 2016 17:52:15 GMT
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I'll second that vote, but if possible stick it nearer the passenger side in case the turbo oil seals fall to bits, covering the windscreen in oil (like the scene in the Battle of Britain!) Very unlikely though.
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Too many projects, not enough time.
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Sept 12, 2016 18:07:46 GMT
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don't cut the bonnet, its traveller!
Love the rest of the project tho!
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Koos
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Sept 12, 2016 20:31:43 GMT
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Love this car and what you're doing with it.
I too would rather the bonnet wasn't cut if at all possible. Whatever, this should be a real beast once its done.
Keep us the great work mate.
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Sept 12, 2016 21:28:03 GMT
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Is it smiling because it knows its getting boost?? |
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Last Edit: Sept 12, 2016 21:29:09 GMT by mdh
Koos
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Sept 18, 2016 19:08:59 GMT
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Oil catch tank  And intercooler pipework sorted out  |
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Sept 20, 2016 10:54:53 GMT
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Have you considered wrapping the manifolds? Allot of latent heat there and allot of energy lost... I have thought about it but on the TVR forums people have reported on cracked manifolds from wrapping. It is very tempting though as the engine bay does get very hot! Maybe I should wrap my new y-piece too depending on how neat the welding is as abused pointed out, majority of motive force in the exhaust turbine is actually heat (rather than traditional thinking of wind blowing some sails round) having a remote turbo like your setup means allot of the energy is lost through the manifold before it gets to the turbine. in actual fact NOT wrapping the manifolds might end up running more boost for the same target bhp (plus the lag) and compounding the egt issue |
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Last Edit: Sept 20, 2016 10:55:22 GMT by darrenh
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Colonelk
Posted a lot
Posts: 3,742
Club RR Member Number: 83
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Sept 20, 2016 16:12:34 GMT
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