[tcb] Re: Type IV timing question
- From: bbauer2000@xxxxxxxxx
- To: "tcb@xxxxxxxxxxxxx" <tcb@xxxxxxxxxxxxx>
- Date: Mon, 14 May 2012 14:49:40 -0500
Yes I have used starting fluid to locate any leaks. Found a couple and replaced
the vacuum lines.
I am using the stock VW timing scale.
On May 14, 2012, at 1:25 PM, Mike Hayes <mike@xxxxxxxxxxxx> wrote:
> Bill,
>
> Have you tried the starter fluid to find any intake leaks? Also if you
> replaced the deg scale I have heard that some of the after market deg scales
> for the type 4 are not that accurate.
>
> On 5/14/2012 11:01 AM, sammie smith wrote:
>>
>> I agree. I don't think timing is your problem. It should run good at 7.5
>> static and it should idle with no problem at 700-750. If you have to run it
>> up to 1,000 rpm to idle smooth you have problems other than timing. Don't
>> have a good recommendation on a mechanic other than the normal ones: Lyle
>> Cherry and Doug at Qualitat. Maybe some of the DFW people can chime in.
>>
>> --- On Mon, 5/14/12, Bill <bbauer2000@xxxxxxxxx> wrote:
>>
>> From: Bill <bbauer2000@xxxxxxxxx>
>> Subject: [tcb] Re: Type IV timing question
>> To: tcb@xxxxxxxxxxxxx
>> Date: Monday, May 14, 2012, 9:37 AM
>>
>> All excellent points. Here is some more information I did not include in my
>> original email. I am running factory fuel injection. I am running a stock
>> SVDA Bosch 021 905 205P that was recently re-shimmed. The engine was just
>> rebuilt by Automotive Machine in Ft. Worth and the compression ratio is
>> stock. I run premium fuel (93 Octane). I did go with a mild cam and solid
>> lifters. The cam manufacturer indicated it would work with factory FI with
>> no issues.
>>
>> My problem I am having is that I cannot get the motor to idle at the
>> recommended 950 rpm with the timing at 7.5 BTDC. It seems like I am
>> fighting a vacuum leak that I am unable to locate. I have all new intake
>> gaskets, vacuum hoses, etc.
>>
>> It will idle at around 1100 rpm at around 10 BTDC, but that brings my max
>> advance into to the 35-38 range that I knew was too much.
>>
>> Any excellent FI mechanics around DFW want to make some extra pocket money?
>>
>> Thanks for your time.
>>
>> -Bill
>>
>> On Mon, May 14, 2012 at 9:24 AM, sammie smith <bugcollections@xxxxxxxxxxxxx>
>> wrote:
>> I agree Lonnie. To some extent it depends on compression ratio and the fuel
>> you are burning, though you should always use the premium 91/93 octane in
>> the VW engine. Daniel Watts at Oakhill, if memory serves, says max 32/33.
>> Personally I run 30 in the baja with the 2007cc and 8.5 compression, and I
>> would not want to go past 30 for everyday use on the street.
>>
>> --- On Mon, 5/14/12, Lonnie & Bonnie <bergmanfamily@xxxxxxxxxxxxx> wrote:
>>
>> From: Lonnie & Bonnie <bergmanfamily@xxxxxxxxxxxxx>
>>
>> Subject: [tcb] Re: Type IV timing question
>> To: tcb@xxxxxxxxxxxxx
>> Date: Monday, May 14, 2012, 9:17 AM
>>
>>
>> According to Muir, never exceed 35 deg, 32 is considered best, 28 is
>> considered tame.
>>
>> From: sammie smith <bugcollections@xxxxxxxxxxxxx>
>> To: tcb@xxxxxxxxxxxxx
>> Sent: Mon, May 14, 2012 8:48:09 AM
>> Subject: [tcb] Re: Type IV timing
>> question
>>
>> Not sure for a Type IV but it shouldn't be any different than any other
>> VW/Porsche engine. Most people prefer somewhere between 28 & 30 for total
>> advance at speed. If you are running a 009 this means about 6 degrees
>> static since the 009 total advance is around 22 to 24.
>>
>> --- On Mon, 5/14/12, bbauer2000@xxxxxxxxx <bbauer2000@xxxxxxxxx> wrote:
>>
>> From: bbauer2000@xxxxxxxxx <bbauer2000@xxxxxxxxx>
>> Subject: [tcb] Type IV timing question
>> To: "Texas Buses" <tcb@xxxxxxxxxxxxx>
>> Date: Monday, May 14, 2012, 8:30 AM
>>
>> What is the recommended total advance on a 2.0l GE code type IV
>> motor? I am not able to locate
>> that information
>> in the Bentley or other manuals.
>>
>>
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