Front downpipe bracket/heat-shield
Posted
#1580953
(In Topic #213858)
Old Timer


Secondly, should there be any heat-shields on the downpipe as shown in the parts list image below.

1983 Golf GTi Campaign Edition, Diamond Silver
http://vwgolfmk1.org.uk/forum/index.php?page=topicview&id=projects%2Fyour-mk1-golfs_2%2F-tag-1983-campaign&redirected=1#post_1551531
http://vwgolfmk1.org.uk/forum/index.php?page=topicview&id=projects%2Fyour-mk1-golfs_2%2F-tag-1983-campaign&redirected=1#post_1551531
Posted

Old Timer


Looks like you might have a bracket now on a GTI. items 8 & 11. Might depend on the engine code / country?
Posted

Local Hero

There wasn't a lower brace on my 90's 92, 93 Cabriolets that had the single down with the bolted flange at the top.
IIRC I took a Dual Down off a Scirocco, but there was a bracket bung welded to it.

With that said, do you need it? Probably not, if you have the flexure mount at the top flange as in the above picture of a Dual down off a mk2.
If you buy a TT Tuning SS dial down there isn't a brace needed or a bung for one on that either.
The Original Scirocco Dual Down was braced at the bottom, and the flexure was bolted from the end of the dual down to the CAT or REsonator.
Without this flexure point you will be cracking your pipes
or joints as the engine torque and bumps will weaken them.
I have even seen that headers bolted to the engine without a flexure will crack the pipes there as well.
Heat shields are required to keep the heat off of Power Steering Racks and CV joint Boots.
You can either weld a wrap of steel, or use hose clamps and clamp them to the pipes which is what I did on my TT Tuning Pipe.
Or you can wrap the pipes in heat tape, (which isn't any better at shielding heat than a piece of tin, and well is more costly.).

Yes I have 2 Autos.
If you don't shield them they will heat distort the Flexure of the CV, and Grease will leak out.
They will melt the seals of the power steering rack causing it to leak as well….
What do Divorces, Great Coffee, and Car Electrics all have in common?
They all start with GOOD Grounds.
Where are my DIY Links?
They all start with GOOD Grounds.
Where are my DIY Links?
Posted
Old Timer


Not sure how I manager to get the same thread on twice (!) but there you go.
I am puzzled as I have a twin downpipe with bolted manifold joint as in the top diagram.
1983 Golf GTi Campaign Edition, Diamond Silver
http://vwgolfmk1.org.uk/forum/index.php?page=topicview&id=projects%2Fyour-mk1-golfs_2%2F-tag-1983-campaign&redirected=1#post_1551531
http://vwgolfmk1.org.uk/forum/index.php?page=topicview&id=projects%2Fyour-mk1-golfs_2%2F-tag-1983-campaign&redirected=1#post_1551531
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