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by: 8URTANG & Thumper93Z
Disclaimer: We do not
claim that everything within these pages is 100%
accurate and if you should use this
information you do so AT YOUR OWN RISK.
you will need and
the steps you will use them:
1) 40 Grit to take out all of the concrete
like texture (rub the paper against
another piece to avoid gouging the
aluminum too deep).
2) 80 Grit (rub this paper together as well
or it will gouge to deep).
11)Polish with Autosol and then Neverdull.
14)Polish with Mothers Aluminum Polish
Depending on what you're polishing. There's
generally three different types:
1- Smooth but dull casting eg;Transmission
casings.(Requires steps 6-to-11)
2- Rippled surfaces eg;Mustang 5.0 upper
intakes.(Requires steps 3-to-11)
3- Stuff that's like concrete eg; GM intake
manifolds.(Requires steps 1-to-11)
Then there is aluminum that was polished
originally but has got a dull milky look to it .
If the surface feels rough use steps 12 to 14. If
it's still smooth, but milky, just use 13 to 14 .
Be sure to use the WD-40 on the paper while
Depending on what you're doing. A dremel is good
for corners and hard-to-get-at places but will
mess up flat areas. Sandpaper from 120 to1000
needs to be a wet-paper and keep the surface
lubricated with WD-40.
If you skip ANY of the steps you WILL end up with
scratches from the previous Coarser Grit paper.
Make sure You give yourself plenty of time to do
it, best thing to do is buy a spare part for what
you're working on. For example: If you want to do
your alternator got to a rebuild shop and buy the
two halves of the casing, when you're done just
get the guts switched. Unless your car is off the
road for a good amount of time.
So if you had a TPI System to polish You would
The upper and lower using steps 1-to-11.
For the side runners use steps 3-to-11.
For the throttle-body steps 6-to-11.
Have patience, it takes a long time to do it
right. I am still working on an LT1 intake. I'm
up to the 240 Grit stage with over 20 hours into
it. It does get quicker as you go to finer paper.
I spent 12 hours just flattening out the surface
and getting rid of the casting marks. The more
time you spend, the better it will look in the
final stage. I've tried about five different ways
and this is the best for the mirror look. Best
advice, USE the WD-40.
If you have any questions or comments, feel free
to email us.
Good luck, and take your time with it .
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