Return-Path: <13brv3@bellsouth.net> Received: from imf23aec.mail.bellsouth.net ([205.152.59.71] verified) by logan.com (CommuniGate Pro SMTP 4.2b6) with ESMTP id 190515 for flyrotary@lancaironline.net; Sat, 19 Jun 2004 21:58:30 -0400 Received: from rad ([65.6.194.9]) by imf23aec.mail.bellsouth.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with ESMTP id <20040620015758.NSSQ25164.imf23aec.mail.bellsouth.net@rad> for ; Sat, 19 Jun 2004 21:57:58 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "Flyrotary List" Subject: smaller injectors, same idle Date: Sat, 19 Jun 2004 20:57:59 -0500 Message-ID: <017d01c4566a$038a64a0$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_017E_01C45640.1AB45CA0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 This is a multi-part message in MIME format. ------=_NextPart_000_017E_01C45640.1AB45CA0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Greetings, =20 I tried to install two '88 NA injectors that I got from Mazda, but found that the pintle was too large to fit the plastic parts that are in the block. Rats!!! Otherwise, they're the same size as the 89-91 turbo injectors I had. Fortunately, I had the ones that Tommy sent, which are 89-91 NA injectors. These are also 460 cc, but had the oval plug, = rather than the square one that I was trying to end up with. Since the oval = plug fits the plugs that I already have, I installed these 460's as primaries = for now, and tried them out. My original goal was to improve idle, and end = up with the square plugs that you can get from MSD. I can forget the = square plugs for now, but at least the idle should improve. =20 Unfortunately, as far as I can tell there's no difference at all. The = idle is the same, and very little change was made in the map settings. The = only change was at lower throttle, but that actually was a little off before. Just hard to believe that it didn't make any difference. Idle is smooth down to about 1500, which is OK, but lower would be better. =20 =20 Also, the B controller still runs rough at near idle. This started with = the latest intake, and I can't imagine why. I know this is just a tuning = thing, but I'll be damned if I can make it happy. Tried copy a to b, default settings, and Tracy's settings as a starting point, but no joy. It's running fine, except when transitioning to idle, and when trying to = maintain idle. Very odd. This is good enough for a backup controller, but it = bugs me that I can't make it as good as I've had it in the past. =20 =20 At this point, I need to put some hours on this thing, and get out of my experimental time. I'd be willing to bet that the airport neighbors are pretty tired of hearing me tuning too :-) =20 Rusty =20 =20 ------=_NextPart_000_017E_01C45640.1AB45CA0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

Greetings,

 

I tried to install = two ’88 NA=20 injectors that I got from Mazda, but found that the pintle was too large = to fit=20 the plastic parts that are in the block.  Rats!!!  Otherwise, = they're the same size as the 89-91 turbo injectors I had.  Fortunately, I had the ones = that Tommy=20 sent, which are 89-91 NA injectors. =20 These are also 460 cc, but had the oval plug, rather than the = square one=20 that I was trying to end up with. =20 Since the oval plug fits the plugs that I already have, I = installed these=20 460’s as primaries for = now, and tried them=20 out.  My original goal was to improve idle, = and end up=20 with the square plugs that you can get from MSD.  I can forget the = square=20 plugs for now, but at least the idle should improve.

 

Unfortunately, as far as I can tell there's=20 no difference at all. =20 The idle is the same, and very little change was made in the map=20 settings.  The only change = was at=20 lower throttle, but that actually was a little off before.  Just hard to believe that it = didn’t make=20 any difference.  Idle is smooth down to about 1500, which is = OK, but=20 lower would be better. 

 

Also, the B = controller still runs=20 rough at near idle.  This started with the latest intake, and I = can't=20 imagine why.  I know this is just a tuning thing, but = I’ll be=20 damned if I can make it happy. =20 Tried copy a to b, default settings, and Tracy’s settings as = a starting=20 point, but no joy.  = It’s running=20 fine, except when transitioning to idle, and when trying to maintain = idle.  Very odd.  This is=20 good enough for a backup controller, but it bugs me that I can't make it = as good=20 as I've had it in the past. 

 

At this = point, I need=20 to put some hours on this thing, and get out of my experimental = time.  I'd=20 be willing to bet that the airport neighbors are pretty tired of hearing = me=20 tuning too :-)

 

Rusty

 

 

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