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#21 clipping_point

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Posted 28 November 2004 - 11:06 AM

Yeah, I get it, opening things up a bit where the flow starts to increase. No negative effects at all? You said that the throttle response increased as well?

#22 clipping_point

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Posted 28 November 2004 - 11:10 AM

Original

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#23 vocky

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Posted 28 November 2004 - 02:55 PM

Yes exactly, improving the flow = better throttle response. Whilst the butterfly valve was out (to polish it for better flow) I carefully polished the edge thinking it would be ok, but when the engine was first started the tickover shot up to 3000rpm (then dropped back to 1000rpm) causing the ecu light to come on :blink: but after a small run the tickover reverted back to 2000rpm then dropping to 1000rpm at cold start up (my z2.2se as always done this at cold start up). I think the dirt build up (as in the pics previously) had caused the ecu to adjust the tickover parameters and the small run reset them. I found out some more regarding the fuel pressure regulator, apparently at tickover the fpr is open (thus low fuel pressure) and on full throttle it is sucked closed (high fuel pressure), the pipe to the air intake being the vacuum. This would explain why standard air filters work better than a high flow unit, as standard/high pressure loss filters require more suction to get the same flowrate as a high flow/low pressure loss filter, thus the fpr opens fully sooner.

Edited by vocky, 28 November 2004 - 02:56 PM.


#24 skogshuggarn

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Posted 28 November 2004 - 03:25 PM

So with a highflow coldair intake you risk to run lean?

#25 clipping_point

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Posted 28 November 2004 - 03:54 PM

Regarding the FPR I´ve seen a tuning firm V MAX

In german (choose cancel)

they use 1.0 bar extra pressure for the 190 HP stage, as well as a 11:1 compression ratio..................interesting

Edited by clipping_point, 28 November 2004 - 03:55 PM.


#26 vocky

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Posted 28 November 2004 - 04:52 PM

A standard filter requires more suction to flow and this results in less gases reaching the cylinder than with a high flow filter, which loses less suction across the filter so more gases travel to the cylinder, but both filters flow the same amount only at different presures (think of how a supercharger works - getting more gases into the cylinder). So with a standard filter the fpr would give higher pressure at a lower rpm than the high flow filter (both should still max out), so with a high flow filter a higher pressure fpr and a remap would prevent any risk of running lean.

Edited by vocky, 28 November 2004 - 04:55 PM.


#27 skogshuggarn

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Posted 30 November 2004 - 10:16 PM

62mm TB for 310$
http://www.highrevmo...?products_id=42

#28 dude

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Posted 01 December 2004 - 06:40 AM

62mm TB for 310$
http://www.highrevmo...?products_id=42

undrar varför dom har en bild på ett spjällhus från den äldre ecotecen

#29 clipping_point

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Posted 01 December 2004 - 07:36 AM

Om man frågar på J-body säger de att deras Chevor har en mekanisk TB .... men när jag mailade High-Rev sa dom att de hade en 62 mm TB på gång (elektrisk) vid jul ungefär (snart)

Edited by clipping_point, 01 December 2004 - 07:37 AM.


#30 clipping_point

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Posted 08 December 2004 - 09:46 AM

Nu vet jag vad som sitter på 2.0 SC. #2177 säger att det är den här och den är till en Saturn, samt att den inte passar 2.2. Kostar bara 500 spänn! Den ser ju likadan ut som vår också.... Vet inte vad han menar, elektriskt kan den ju lira med vår ECU?

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#31 clipping_point

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Posted 08 December 2004 - 09:52 AM

Vacker e den oxå, med hela 68 mm spjäll! thumbsup

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#32 clipping_point

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Posted 08 December 2004 - 10:10 AM

Kanske t.o.m. går att flytta över viss elektronik, om det nu skulla vara fel

#33 Nillet

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Posted 08 December 2004 - 10:27 AM

Vill berätta lite off topic här... Polaren hade en cheva pickup -64 och han bytade rattstång (med all elektronik) till en från buick -74 tror jag det var. Färgmärkning på sladdar och alla kontakter var samma. Så en gemensam GM-standard kan vara bra ibland, "plug and play"... :D Ytterligare en bisak... När vi skruvade med motorn på pickupen så hoppade man upp/ner i motorrummet (fötterna på grerören och baken på skärmen). Lite skillnad på plats i motorrummet mot speedstern. :D

#34 clipping_point

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Posted 08 December 2004 - 11:29 AM

Ja, den ser ju för f-n likadan ut!!! Den, om nån, borde väl passa?? :o

#35 barrybethel

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Posted 08 December 2004 - 08:28 PM

No sh*t. I couldn't agree more.

#36 skogshuggarn

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Posted 08 December 2004 - 08:35 PM

bara o köpa o testa ;)

#37 meldert

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Posted 08 December 2004 - 09:14 PM

OK, vem köper och testar? Jag kan tänka mig att ställa upp... Måste göra något kul i vinter... Å andra sidan kan man ju fråga sig hur mycket nytta den gör om man inte bygger om insuget, men tillsammans med en ITG så kanske den gör lite nytta...

#38 skogshuggarn

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Posted 08 December 2004 - 09:19 PM

passar o funkar de så har du ju två köpare på de direkt :rolleyes:

#39 meldert

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Posted 08 December 2004 - 09:25 PM

Passar och funkar den så behåller jag den nog :P :D Problemet är om den inte fungerar, då troj jag inte att ni är lika pigga på att köpa den... :P

#40 skogshuggarn

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Posted 08 December 2004 - 09:36 PM

hur kan du gissa det ;) frågan är om det i sånna fall inte går att flytta över delar??




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