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Old 23-02-2018, 09:26 AM   #2506
gadget555
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Looking nice Dan.
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Old 23-02-2018, 09:38 AM   #2507
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It does at least look good Kieth, just hoping it runs well too!


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Old 23-02-2018, 03:53 PM   #2508
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I do love the look of those trumpets! The cream injectors are usually big enough for most N/A k series, is there a reason you need bigger ones?
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Old 23-02-2018, 04:29 PM   #2509
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There was a lot of discussion quite a few years ago about the injectors chose being just about big enough for standard engines, the rough equation for safe injector use is:

INJ CC / 5 X NO. OF CYLINDERS=

So 210cc / 5= 42 X 4= 168BHP

The blue injectors have a better spray pattern than the cream but are lower cc again, I just donít want to be maxing our injectors, ideally they want to have no more than an 80% duty cycle so I figured Iíd play safe and change them for something bigger.
I will of course check the duty rate when I get it running, I wonít be surprised if theyíre working at higher duty rates.


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Old 23-02-2018, 04:54 PM   #2510
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Managed to grab an hour just now while the little man was sleeping, made a start on the fuel lines.

Only need to make up one more but ideally I need a 90 degree hose fitting so Iíll order that up now and get that made up as soon as it arrives.


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Old 24-02-2018, 06:24 PM   #2511
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Finished redoing the sound deadening.
Iíd already used Silent Coat dampening in the past and then a 6mm open cell foam down to the floor pan.
Iíve stripped out the open cell foam and replaced it with Dodo Sound Barrier Lite which is 2 layers of 6mm open cell foam with a mass loaded vinyl centre, again this covers the top and bottom halves of the bulkhead down to the floor pan and the wheel arches, if that doesnít make the motorways more bearable then Iíll have to look into getting an air box made up to close in the trumpets, which I really donít want to do because they look cool!
Iíve also thrown in a carpet underlay just for good measure.i doubt itíll make much difference but I had it!



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Old 24-02-2018, 06:45 PM   #2512
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I've just fitted the Dodo Sound Barrier Lite all over the front floors, bulkhead and wheel arches as well as a piece on the engine side of the upper bulkhead and it's made a big difference (a lot more so than loads of dynomat type stuff and foam). It's the only thing i have found that actually makes a noticeable difference. I would suggest you add some to the engine side of the upper bulkhead behind those trumpets, also the front of the floor would benefit from it and i would recommend a couple of dampening pads and some proper underbonnet closed cell foam. I used 2 layers of the dodo bonnet liner and it vastly reduce valve train type noise (but won't make much difference to induction noise).
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Old 24-02-2018, 06:55 PM   #2513
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Another huge source of engine noise is the horizontal bulkhead below the dash. It is hollow and has lots of holes in it. If you can fill it and seal all of the holes, both inside the car and in the engine bay, it will be very quiet.
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Old 24-02-2018, 06:55 PM   #2514
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Iíve got some of the regular Sound Barrier MLV here too, I did think about using that on the engine bay side of the bulkhead but couldnít see a neat way of doing it without removing everything.


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Old 24-02-2018, 08:27 PM   #2515
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Another huge source of engine noise is the horizontal bulkhead below the dash. It is hollow and has lots of holes in it. If you can fill it and seal all of the holes, both inside the car and in the engine bay, it will be very quiet.


Iíve taken the sound deadening up past that and have folded deadening into the cutouts but I canít cover them completely as one side is where my brake master cylinder and clutch cable comes through and the other side has my engine loom and 2 heater hoses coming through.


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Old 24-02-2018, 09:19 PM   #2516
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Also playing with a new position for the oil filter.
Thinking of losing the sandwich plate and putting an in-line takeoff for the oil pressure sensor mounting it here:

So it will sit something like:

Or I refit the inner arch liners I had before:



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Old 25-02-2018, 12:19 PM   #2517
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I stuffed foam rubber pieces around the hoses and cables to protect them, then shot expanding foam into the bulkhead to completely fill it ( protect your carpets ), trimmed off the escaped bits and then covered it all with high density sound mat trimmed to fit around the hoses etc. It's no Cadillac mind you, but it is tolerable.
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Old 28-02-2018, 05:55 PM   #2518
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Rover 400 expansion tank arrived today.
Forgot to take a pic of it when it arrived but the pic the seller sent me was this:

Was actually cleaner looking in that pic than it actually was, the bottom half was covered in the usual gunk.
10 minutes with a dishwasher tablet, some bicarb of soda and a handful of split peas and a good shaking and it came out well.

Going to have a bit more of a play around but I think Iíll end up using this one instead of the Elise one I currently have.


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Old 28-02-2018, 09:30 PM   #2519
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When did Lotus start modifying Rover 400's ?
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Old 28-02-2018, 10:20 PM   #2520
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Lotus played with Ford Cortinaís and Vauxhall Carltonís, why not Rover 400ís?


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