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Home > Help Needed / General Tech Chat > What option to choose to get the engine running | |||||||
113 Posts Member #: 11786 Advanced Member |
21st May, 2019 at 07:18:48pm
Hey Guys,
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7259 Posts Member #: 1268 The Boom Boom speaker Police! Essex |
21st May, 2019 at 08:44:19pm
I’d stick with the 5 port turbo setup.
In the 13's at last!.. Just |
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113 Posts Member #: 11786 Advanced Member |
21st May, 2019 at 08:48:53pm
The part throttle lean off is blocked. I tried to open it, it didnt change the symptoms. neither does carb spring, damper oil, needle whatsoever.
Edited by JackZwiebel on 21st May, 2019. |
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240 Posts Member #: 11017 Senior Member Shropshire |
21st May, 2019 at 09:02:37pm
On 21st May, 2019 JackZwiebel said:
The part throttle lean off is blocked. I tried to open it, it didnt change the symptoms. neither does carb spring, damper oil, needle whatsoever. The engine runs great off boost and great on boost - just the transit at low rpm doesnt work. transit on high rpm ( over 4000) works also. The only thing that changes the symptoms is the ignition. Retarding the dizzy makes it worse, advancing makes it better - but i dont want to go to more than 25° max advance on boost. Edit: Also would you keep the carb or use the SC EFI kit? I use the SC 5 port system with SCS D400 ecu and it works great for my application! SXtune isn't rocket science, it just takes a little getting used to, but any experienced mapper will be able to work it. |
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113 Posts Member #: 11786 Advanced Member |
22nd May, 2019 at 05:41:16am
Thats a great looking engine bay
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240 Posts Member #: 11017 Senior Member Shropshire |
22nd May, 2019 at 07:34:26am
On 22nd May, 2019 JackZwiebel said:
Thats a great looking engine bay Did you get a base map for fueling and ignition from SC? On their homepage i only find maps for N/A engines. I tweaked an NA base map to run the cam in, then took it to have a base map made by a tuner. |
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113 Posts Member #: 11786 Advanced Member |
22nd May, 2019 at 08:00:13am
Ok thanks. I will talk to some tuners if they think they can set up such an engine.
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9258 Posts Member #: 123 Post Whore Betwix Harrogate and York |
22nd May, 2019 at 08:34:52am
Have you tried the T-Piece trick?
Fastest 998 mini in the world? 13.05 1/4 mile 106mph
On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination, talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry. |
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113 Posts Member #: 11786 Advanced Member |
22nd May, 2019 at 08:49:18am
Yes i tried the t-piece trick since i thought there might be a port blocked or something, but it didnt change a thing. The fueling is spot on off and on boost. Just on transit to boost on low rmp it leans off suddenly and backfires.
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240 Posts Member #: 11017 Senior Member Shropshire |
22nd May, 2019 at 10:26:32am
On 22nd May, 2019 JackZwiebel said:
Ok thanks. I will talk to some tuners if they think they can set up such an engine. Just being curious, are you running a water cooled intercooler, or what is that can where the air hose comes from? Yeh, because of the limited space in thr MPi engine bay, I'm running a charge cooler and separate radiator. The ECU has a feed from the AEM wideband controller, so I have tweeked the map to run closed loop with target afr. Same on cruising loads. |
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4619 Posts Member #: 20 My sister is so fit I won't show anyone her picture Lake District |
22nd May, 2019 at 10:28:23am
What carb spring and oil are you using ?
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113 Posts Member #: 11786 Advanced Member |
22nd May, 2019 at 10:42:27am
Thanks for the Info Steve, interesting setup!
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116 Posts Member #: 2576 Advanced Member South Staffordshire |
22nd May, 2019 at 07:06:32pm
Has your carb got this link pipe? HOSS |
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113 Posts Member #: 11786 Advanced Member |
22nd May, 2019 at 07:10:48pm
Yes as sayed above i had the part throttle lean off connected but i blocked it. it made the fueling a bit more consistent in the other areas but didnt change anything on the problem |
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806 Posts Member #: 989 Post Whore North Yorkshire |
25th May, 2019 at 10:40:21am
The turbo dizzy curve is compromise in every respect for even a standard engine.
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Forum Mod 10979 Posts Member #: 17 ***16*** SouthPark, Colorado |
26th May, 2019 at 01:48:08pm
Why not try screwing your bob weight plates together, and locking up at 25 or 27 degrees advance. It won’t be optimal, but it’ll work perfectly well, and isolate the dizzy variable. On 17th Nov, 2014 Tom Fenton said:
Sorry to say My Herpes are no better Ready to feel Ancient ??? This is 26 years old as of 2022 https://youtu.be/YQQokcoOzeY |
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113 Posts Member #: 11786 Advanced Member |
26th May, 2019 at 03:01:02pm
Hey Dave, thats a pretty good idea, unfortunlx i already ripped the car apart since the turbo is leaking oil.(big blue smoke cloud on overrun). Thats why i want to change to a gt17. maxbe i try the fixed ignition with the new turbo first |
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113 Posts Member #: 11786 Advanced Member |
17th Jun, 2019 at 09:07:44pm
While building up the car itself i try to wrap my head around ignition maps - i have been reading a bit on here and i am looking for a safe map to fire it up and drive a few miles befor going to the rolling road. I found a rolling road operaor who sayed he wil lset it up if its running and can get there by its own .
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3004 Posts Member #: 2500 Post Whore Buckinghamshire |
18th Jun, 2019 at 06:40:12pm
I should try some new plugs
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113 Posts Member #: 11786 Advanced Member |
18th Jun, 2019 at 07:47:58pm
i did change the plugs once while trying to set it up, it didnt change anything. But i will for sure get a new set of plugs in befor starting after the rebuild :)
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113 Posts Member #: 11786 Advanced Member |
20th Jun, 2019 at 06:55:18am
Any comments on the base map? Is it good and most important save for first test drives and the way to the rolling road? |
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12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
20th Jun, 2019 at 01:16:18pm
any hint on what the map numbers relate to on the left hand side? i asume 1040 is roughly atmospheric ( at sea level) and 1840 about 10 psi boost. in which case yea it looks reasonable, but do check the tming matches a timing light. On 28th Aug, 2011 Kean said:
At the risk of being sigged... Joe, do you have a photo of your tool? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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113 Posts Member #: 11786 Advanced Member |
20th Jun, 2019 at 03:51:19pm
yeah you are right it is in mbar - 1000mbar, being 1bar as atmospheric.
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12307 Posts Member #: 565 Carlos Fandango Burnham-on-Crouch, Essex |
20th Jun, 2019 at 04:30:05pm
ah, mbar of course! On 28th Aug, 2011 Kean said:
At the risk of being sigged... Joe, do you have a photo of your tool? http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1 https://joe1977.imgbb.com/ |
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806 Posts Member #: 989 Post Whore North Yorkshire |
23rd Jun, 2019 at 10:07:39am
Somewhere on here is a map which replicates the turbo dizzy curve, which would be uber safe. |
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