[T3] New Distributor Same Results, 034

Wed Jun 11 07:40:08 PDT 2014

Well Max is real good at finding things so keep us posted on your findings good luck.

-----Original Message-----
From: type3-vwtype3.org [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of Craigs List
Sent: Wednesday, June 11, 2014 9:27 AM
To: Type 3 List
Subject: Re: [T3] New Distributor Same Results, 034

"I sure you have check but have you verified that there are now vacuum leaks in the intake system?"

To the best of my knowledge I have the intake system sealed 100%. At one time, when I had the 40's on there, I did have a vacuum leak. Most vacuum leaks that I have ever dealt with make adjusting idle a pain in the ass, and effect the idle on cold starts. I do not have any of those ill effects that would make me thing that I have a vacuum leak now.

Maybe under load I am getting a vacuum leak somewhere? That would cause it to bog, but I would assume that it would also cause it to lean out and backfire if this was the case? I do not have any backfiring.

One more option is to get a bung drilled into my exhaust after the collector. Then I could use an LM1 I have available and see exactly what I am dealing with as far as fuel at acceleration. I just do not think it is a carb issue, but I am chasing everything at this point.

Adam

On Wed, Jun 11, 2014 at 8:11 AM, Daniel K. Du Vall <dduvall at 1peter4-10.org>
wrote:

> I sure you have check but have you verified that there are now vacuum 
> leaks in the intake system?
>
> -----Original Message-----
> From: type3-vwtype3.org [mailto:
> type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of Craigs List
> Sent: Wednesday, June 11, 2014 8:17 AM
> To: Type 3 List
> Subject: [T3] New Distributor Same Results, 034
>
> As many of you know, I am now on my 3rd distributor with very little 
> change in how my car acts at low RPM. I started a new thread to try 
> and collect the ideas of those who have not joined the other conversation.
>
> Max and I are getting together this afternoon to try a few things that 
> are not common to see if we can narrow down the problem. It is always 
> nice to have a fresh set of eyes looking over the problem to see if I 
> have missed something.
>
> As far as my situation, I have an extreme bog / flat spot / 
> fall-on-you-face at low rpm. This is acceleration off the line or 
> acceleration from cruise that is in the lower RPM. This happens at 
> part throttle, full throttle or barley any throttle. It is so bad that 
> I have to flutter the car off the line until I get into the higher 
> RPM's. What I am looking for are idea that are out of the box.
>
> For those who don't know, I have recently gone from a set of Dell 40's 
> to a set of Dell 36's. I made this switch because I thought that the 
> Dell 40's, being so big, were causing an issue with tuning. Now that 
> the 36's are on (a set refurbished by ACE / Blackline Racing) I am 
> confident that I have a problem beyond the carbs.
>
> Along those lines, I am on my 3rd distributor combination. none of the 
> distributor changes have made a difference. I have had a 009 on there, 
> a 205L FI distributor and now a 034 SVDA to try and get some relief. 
> All of them have acted the same.
>
> What I am guessing now is that the Dells do not have enough vacuum at 
> low RPM to make an effective change to pull that vacuum advance. Or 
> maybe the load of an automatic and Dells is a non-working combination? 
> That is some of what Max and I are going to test today.
>
> Any crazy ideas out there, I am willing to listen. It is not a stock 
> combination, but I have't gone extreme. I think that this should work. 
> I am quite puzzled what is going on unless I have some strange 
> situation that I have no seen. I'm stumped!
>
> Adam
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