L-series with over 200bhp already created... - Page 2 - MG-Rover.org Forums
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post #21 of 297 (permalink) Old 02-09-2010, 16:54
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Bet its a 1.9tdi with L series written on the top in marker pen
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post #22 of 297 (permalink) Old 02-09-2010, 16:57
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It has a custom exhaust manifold and larger turbo. Uprated radiator and intecooler and mapping to suit from what ive been told when i was at lunar the other week.
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post #23 of 297 (permalink) Old 02-09-2010, 18:32
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Looks like a decomp plate too from their blog.
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post #24 of 297 (permalink) Old 02-09-2010, 18:40
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why would you want a decomp plate in a diesel? Surely more boost, in a teensy space = more power?

Or is it more beneficial, to lose a bit of CR, in exchange for a bit more space for extra air? Almost like gaining a few cc's? (with higher boost making up for the lessened CR)


Just curious, as it's been mentioned on here before...
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post #25 of 297 (permalink) Old 02-09-2010, 18:46
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Too much pressure = blown headgasket / holed pistons / bent rods.
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post #26 of 297 (permalink) Old 02-09-2010, 22:17
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why would you want a decomp plate in a diesel? Surely more boost, in a teensy space = more power?

Or is it more beneficial, to lose a bit of CR, in exchange for a bit more space for extra air? Almost like gaining a few cc's? (with higher boost making up for the lessened CR)


Just curious, as it's been mentioned on here before...
Didn't someone on here fit a decomp plate and the head gasket still blew? I think i'm right in saying that person was Runner? but i could be wrong.. i know it was a 200.
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post #27 of 297 (permalink) Old 02-09-2010, 22:19
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Didn't someone on here fit a decomp plate and the head gasket still blew? I think i'm right in saying that person was Runner? but i could be wrong.. i know it was a 200.
No it was Cruizer, although the car was not properly mapped for the decomp plate so did not run correctly.
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post #28 of 297 (permalink) Old 02-09-2010, 22:19
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but pressure also = Bhp and torque?
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post #29 of 297 (permalink) Old 02-09-2010, 22:24
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No it was Cruizer, although the car was not properly mapped for the decomp plate so did not run correctly.
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but pressure also = Bhp and torque?
Hmm doesn't a decomp plate increase compression ratios? Or have i got my silly head on again?
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post #30 of 297 (permalink) Old 02-09-2010, 22:26
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if the engine components can cope yes.

From what I read it doesn't have 200bhp, it in theory will produce 200bhp. theory is VERY different from fact.

In theory my van will be hitting 160-170bhp. Do I expect to get that? No, I'm more realistic in my power figures.
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post #31 of 297 (permalink) Old 02-09-2010, 22:26
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Thats the guy



Hmm doesn't a decomp plate increase compression ratios? Or have i got my silly head on again?
Silly head on again.

It lowers compression ratio.
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post #32 of 297 (permalink) Old 02-09-2010, 22:26
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decreases it. Essentially makes a larger volume of space for gasses to be 'squished into' so it doesn't get squished as much.

I'm a little doubtful about decompression plates, might go down the route myself if needs be but I'm rather fond of 19.5:1

Had a nice thrash in a zr this evening and I think it's rekindled my desire to be somewhat daring.



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post #33 of 297 (permalink) Old 02-09-2010, 22:32
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Get that car of andyburgs and we'll turn it into a track slag
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post #34 of 297 (permalink) Old 02-09-2010, 22:35
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Silly head on again.

It lowers compression ratio.
I guess the name should have given it away decomp

For some reason i always assumed it was thinner than a standard head gasket and made the head sit lower to the block.. thinking about it now that's stupid.
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post #35 of 297 (permalink) Old 02-09-2010, 22:35
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Well when it gets here I might have a chat with some machinists, I've got a few creative ideas for some totally 'antidiesel' tuning directions. stuff I wouldn't dare do to my lawnmower let alone my daily driver



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post #36 of 297 (permalink) Old 02-09-2010, 22:41
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When my place is better sorted out you'll have to bring it here for a day for a bit of a makeover
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post #37 of 297 (permalink) Old 02-09-2010, 22:49
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Have to see what it's like, though i think I've got transport sorted.

I certainly feel like finding something impossible to do with it and doing it.



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post #38 of 297 (permalink) Old 02-09-2010, 22:57
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given amount of time its been stood......just starting it may prove impossible lol
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post #39 of 297 (permalink) Old 02-09-2010, 22:58
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I've a workshop now. Watch the magic happen!

(Though I might need a hand pushing it onto the trailer LOL)



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post #40 of 297 (permalink) Old 02-09-2010, 23:03
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My tow dolly has a winch if you need it
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