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1600cc Dual Port Type I Engine Questions - Help Please



 
 
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  #1  
Old June 8th 05, 03:37 AM
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Default 1600cc Dual Port Type I Engine Questions - Help Please

1600cc Dual Port Type I Engine Questions - Help Please

Hi!
Today I went to check the oil level of my '73 beetle.

While doing that I noticed the clamps on the intake manifold boot on
the left (3,4) side had come a little loose and the boot had slid over
exposing the left intake manifold and the center section gap.

This probably had caused a lean air/fuel mixture on the left side.

I had only made a few short 5 mile or so trips with the boot in the
slid over position.

After repositioning the boot and tightening the clamps, I took it for a
test drive.
It performed really well and ran smoothly and did not over heat.

I could not tell that anything is wrong with it.

I plan to do a compression test and probably will eventually replace
the intake manifold boots so I can inspect the DP port on the left
(3,4,) side for any cracks.

How bad do you think this might have been for my 1600cc DP Type 1
engine?

How bad is it when there is a crack in the DP intake port of the
cylinder head?
Thanks In Advance!
Sleepy Joe

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  #2  
Old June 8th 05, 12:42 PM
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wrote:
> 1600cc Dual Port Type I Engine Questions - Help Please
>
> Hi!
> Today I went to check the oil level of my '73 beetle.
>
> While doing that I noticed the clamps on the intake manifold boot on
> the left (3,4) side had come a little loose and the boot had slid over
> exposing the left intake manifold and the center section gap.
>
> This probably had caused a lean air/fuel mixture on the left side.
>
> I had only made a few short 5 mile or so trips with the boot in the
> slid over position.
>
> After repositioning the boot and tightening the clamps, I took it for a
> test drive.
> It performed really well and ran smoothly and did not over heat.
>
> I could not tell that anything is wrong with it.
>
> I plan to do a compression test and probably will eventually replace
> the intake manifold boots so I can inspect the DP port on the left
> (3,4,) side for any cracks.
>
> How bad do you think this might have been for my 1600cc DP Type 1
> engine?
>
> How bad is it when there is a crack in the DP intake port of the
> cylinder head?
> Thanks In Advance!
> Sleepy Joe


Replace the boots and get new clamps. Don't tighten them too much. Just
tight but not so much as to cut the rubber.

I ran a machine shop years ago and rebuilt lots of VW heads. Cracks,
especially in dp heads were not uncommon and we welded them all the
time. I wouldn't try it now, been too long and out of practice but you
should be able to find a shop that can handle them if necessary. New
heads are not that expensive either.

<><
TC

  #3  
Old June 9th 05, 03:21 PM
[email protected]
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Default

These are the original clamps with the inner ring that protects the
boot from being cut when the clamp is tightened.

I removed the machine screw and examined it.

It appears to have more wear at the middle of the length of the screw.

This is probably why the clamp came loose.

I think I could just replace this machine screw and the clamp could be
used again.

I don't think these clamps are available unless 0eveedub.com might
some original German clamps.

wrote:
> 1600cc Dual Port Type I Engine Questions - Help Please
>
> Hi!
> Today I went to check the oil level of my '73 beetle.
>
> While doing that I noticed the clamps on the intake manifold boot on
> the left (3,4) side had come a little loose and the boot had slid over
> exposing the left intake manifold and the center section gap.
>
> This probably had caused a lean air/fuel mixture on the left side.
>
> I had only made a few short 5 mile or so trips with the boot in the
> slid over position.
>
> After repositioning the boot and tightening the clamps, I took it for a
> test drive.
> It performed really well and ran smoothly and did not over heat.
>
> I could not tell that anything is wrong with it.
>
> I plan to do a compression test and probably will eventually replace
> the intake manifold boots so I can inspect the DP port on the left
> (3,4,) side for any cracks.
>
> How bad do you think this might have been for my 1600cc DP Type 1
> engine?
>
> How bad is it when there is a crack in the DP intake port of the
> cylinder head?
> Thanks In Advance!
> Sleepy Joe


 




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