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#495
by
Rising
on 16 Jul, 2014 12:29
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There's no such thing as a Turbo diesel being too noisy!
NA diesels however, that makes some serious noise!
Sent from my cheapchinaphone using Tapatalk
Is it sad that that's one reason I want to install a turbo? So I can hear myself think again? Haha.
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#496
by
Jetmugg
on 16 Jul, 2014 20:56
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Now I'm getting excited about building more power!!!
As it's configured right now, my 1.5L made 167 HP. For the "next generation" build, I'd like to put it over 200HP, with some Alcaid-style turbo knowledge, Dieselmeken pump work, and some serious work on the cylinder head.
Alcaid - when the time comes, I'd really appreciate some help setting up a compound turbo arrangement.
Steve.
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#497
by
theman53
on 16 Jul, 2014 22:49
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I think a good old single holset would help you. And a bigger pump. You didn't really have much smoke, but you did have egt. I think if you got an 11mm or even a 12mm pump it would rock that thing, but then you need the holset to cool it off.
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#498
by
Jetmugg
on 17 Jul, 2014 08:26
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More fuel, more boost, and better flow through the head is my "mental path" to more power.
Whether it's a single turbo or compounds really doesn't matter to me. I'm confident that I can get more fuel via a higher output pump.
Right now, my focus is on getting everything I can out of the combination for SpeedWeek. After that, the daydreaming and parts collecting can get back into swing.
Steve.
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#499
by
Alcaid
on 17 Jul, 2014 10:20
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Always glad to help breaking records
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#500
by
Jetmugg
on 17 Jul, 2014 10:51
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Always glad to help breaking records
Check out this setup.... These guys appear to still be working on their entry as of last weekend - it's a chopped top Crosley truck with a 1.5L Renault diesel. I have no idea how much power they can make, or how fast their truck might run, but nothing's going to be easy chasing this record...
http://0000pwy.rcomhost.com/Alcaid - I encourage you to "think out loud" as if you were in my shoes. If you wanted to build a 1.5L diesel engine to run in a land-speed-racing application, what would you do?
Steve.
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#501
by
410
on 17 Jul, 2014 22:19
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Always glad to help breaking records
Check out this setup.... These guys appear to still be working on their entry as of last weekend - it's a chopped top Crosley truck with a 1.5L Renault diesel. I have no idea how much power they can make, or how fast their truck might run, but nothing's going to be easy chasing this record...
http://0000pwy.rcomhost.com/
Alcaid - I encourage you to "think out loud" as if you were in my shoes. If you wanted to build a 1.5L diesel engine to run in a land-speed-racing application, what would you do?
Steve.
That is a sweet little Crosley pickup! I think you have an edge Steve when it comes to aerodynamics and power. Sorry for running your thread off topic Lucas.
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#502
by
theman53
on 17 Jul, 2014 22:47
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It is all good.
I think the aero advantage hopefully goes to the rampage. As well as where the power is. All the specs I could find on any of the small renualt diesels were that they were CDI and peak HP was @2000 rpm, so unless they have a weird trans they should have a hard time at the record speed.
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#503
by
theman53
on 20 Jul, 2014 21:29
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I might have a video and some sooty pics from this weekend. If the guy sends them to me.
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#504
by
Alcaid
on 21 Jul, 2014 04:53
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It is all good.
I think the aero advantage hopefully goes to the rampage. As well as where the power is. All the specs I could find on any of the small renualt diesels were that they were CDI and peak HP was @2000 rpm, so unless they have a weird trans they should have a hard time at the record speed.
The Renault 1.5 DCI is a nice motor indeed for this racing class! They can be had with up to 110bhp stock, just over 130bhp with just a chiptune. The best part: it only runs a compression ratio of 15.2:1
Ready for some serious boost and fuel!
Dyno before and after tune (crank numbers, not whp):
http://www.superchips.co.uk/curves/1.5%20dCi%20110bhp.pdf
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#505
by
Jetmugg
on 21 Jul, 2014 08:38
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Can't wait to see the pics and video, Lucas.
I'm guilty of leading this thread off topic, but appreciate the dyno sheets for the 1.5, Alcaid! Good stuff.
Steve.
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#506
by
RabbitJockey
on 21 Jul, 2014 09:20
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i finally got to meet lucas and ride in this car this weekend. It is very fast, definitely the fastest diesel vw i've been in. Unfortunately we didn't find any good roads where he could really let the car stretch its legs, but once this thing hits 20psi find something to hold on to cause it's time to boogey! all that and it never exceeds 800*f egt's!
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#507
by
Jetmugg
on 21 Jul, 2014 09:32
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The low EGT's are impressive!
Steve.
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#508
by
theman53
on 21 Jul, 2014 09:46
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I need more pump. I turned it down a fuzz to see about more mileage on the trip, but I still only managed to get 41mpg. Even so the idle is controlled by the main screw. I am going to index it soon to see if I can get more out of it or not. Giles did good, but the turbo just cleans it up. EGT creeps up as the boost rockets up, when you hit about 7 to 10 psi the EGT start coming down. Faster spool would be nice, but for a non vnt and as big as it is, it spools ok.
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#509
by
Rising
on 21 Jul, 2014 10:15
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Bring on the vids! That sounds so mean. I have trouble keeping my car below 1000 egts just on the way to work up small hills lol. To have all the power at low egts is very impressive. Certainly an important factor in the reliability of this engine build. Great work.