 Stalls out at 4400 RPM, Stumped! |
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| Mblizzard |
 Feb 23 2014, 08:09 PM
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#1
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Advanced Member  Group: Members Posts: 3,033 Joined: 28-January 13 From: Knoxville Tn Member No.: 15,438 Region Association: South East States  |
Well I am a bit confused on this one. 2056 dual Webers. Electronic ignition. New SVDA dizzy. Rev limiting rotor.
Pulled the tank to install SS lines and had a few problems with crimping the lines when putting the tank back but I think I have that worked out. Compression good at 130 plus on all. Timing set at 30 BTDC. Car runs strong up to exactly 4400 rpm and then it sounds like it hits a wall. Can run it long and hard at rpms below so I am not thinking it is fuel limited. Swapped out the rev limiting rotor with standard one but same thing happens. I am going to pull the tank again to be sure on the lines. Any other thoughts? |
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| aircooledtechguy |
Feb 24 2014, 11:16 AM
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The Aircooledtech Guy Group: Members Posts: 1,966 Joined: 8-November 08 From: Anacortes, WA Member No.: 9,730 Region Association: Pacific Northwest |
I would pull that new SVDA dizzy out and throw it as far as you possibly can. I've had 2 clients w/in the past week that have had these very things cause serious running issues. Just because it's "new" doesn't mean it works right. They are a total POS IMHO.
Find a good used German dizzy, clean it up, install new Bosch tune-up parts and install that. This may or may not be part of the problem, but it WILL become a problem in the near future. The problem is usually the LAST thing you installed. . . (IMG:style_emoticons/default/idea.gif) |
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| Mblizzard |
Feb 24 2014, 01:33 PM
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#3
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Advanced Member Group: Members Posts: 3,033 Joined: 28-January 13 From: Knoxville Tn Member No.: 15,438 Region Association: South East States |
QUOTE(aircooledtechguy @ Feb 24 2014, 09:16 AM)  I would pull that new SVDA dizzy out and throw it as far as you possibly can. I've had 2 clients w/in the past week that have had these very things cause serious running issues. Just because it's "new" doesn't mean it works right. They are a total POS IMHO. Find a good used German dizzy, clean it up, install new Bosch tune-up parts and install that. This may or may not be part of the problem, but it WILL become a problem in the near future. The problem is usually the LAST thing you installed. . . (IMG:style_emoticons/default/idea.gif) I have heard that. But this was just to be a transition for going back to FI. I have the 2.0 and a 1.8 dizzy with electronic ignition. Any preference on which one? Still has stock cam. |
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Posts in this topic
Mblizzard Stalls out at 4400 RPM Feb 23 2014, 08:09 PM
r_towle Do you have an AFM?
Did it do it before you change... Feb 23 2014, 08:37 PM Jake Raby Sounds like you constricted something with the lin... Feb 23 2014, 11:21 PM Mblizzard Had not thought about a line swap Jake.
Did not ... Feb 24 2014, 05:58 AM stugray
Change back to the non-limiting rotor.... Feb 24 2014, 08:25 AM Mike Bellis I once had a fuel filter with an aluminum burr bal... Feb 24 2014, 09:16 AM rhodyguy Mike, are you using the cb style pump with the met... Feb 24 2014, 10:57 AM
Mblizzard
Mike, are you using the cb style pump with the me... Feb 24 2014, 01:04 PM r_towle
I would pull that new SVDA dizzy out and throw i... Feb 24 2014, 02:39 PM Eric_Shea
:agree: Feb 24 2014, 03:10 PM r_towle it "should" work either way...but the re... Feb 24 2014, 04:02 PM Racer Chris
I believe the return line is the one closest to t... Feb 24 2014, 04:15 PM r_towle
I believe the return line is the one closest to ... Feb 24 2014, 05:05 PM wndsnd If you are running electronic cd ignition like the... Feb 24 2014, 05:19 PM Mblizzard
If you are running electronic cd ignition like th... Feb 24 2014, 05:25 PM wndsnd :popcorn: Feb 24 2014, 05:32 PM rhodyguy Do you still have your old 009? Feb 24 2014, 06:46 PM Mblizzard
Do you still have your old 009?
I think the 1.8... Feb 24 2014, 06:57 PM r_towle You never said if this was happening before you ch... Feb 24 2014, 07:28 PM Mblizzard
You never said if this was happening before you c... Feb 24 2014, 07:41 PM Jake Raby Nate is spot on, too.. Trace your footsteps back. ... Feb 24 2014, 07:35 PM Jake Raby Yep, a sheet metal screw was eaten. You'll mak... Feb 24 2014, 08:18 PM Mblizzard
Yep, a sheet metal screw was eaten. You'll ma... Feb 24 2014, 08:36 PM Jake Raby
Yep, a sheet metal screw was eaten. You'll m... Feb 24 2014, 10:15 PM wndsrfr To separate fuel from spark issues here's a ne... Feb 25 2014, 08:33 AM r_towle Just so many things to go back through and verify ... Feb 24 2014, 08:30 PM Mblizzard
Just so many things to go back through and verify... Feb 24 2014, 08:48 PM r_towle Well it's fuel, air or timing.
Narrow your sea... Feb 24 2014, 08:53 PM ThePaintedMan Mike,
After you have gone back through the basi... Feb 25 2014, 08:17 AM type47 It wouldn't be his 30 degree timing spec would... Feb 25 2014, 04:17 PM Mblizzard
It wouldn't be his 30 degree timing spec woul... Feb 25 2014, 05:46 PM zambezi have you verified float levels? Feb 25 2014, 05:54 PM Mblizzard
have you verified float levels?
I had the set a... Feb 25 2014, 07:20 PM |
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