ConcoursMustang Forums
1st Generation 1964 1/2 - 1973 - Questions & general discussions that apply to a specific year => 1970 Mustang => Topic started by: wjgrnp on January 25, 2015, 03:17:42 AM
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Hi
I have a 1970 (build 12/69) 428 Mach 1 built Metuchen.
Can anyone help with what finish/color was applied to the underbody.
Thanks
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In 12/69, Metuchen built Mustangs, red oxide was primarily used for the undercarriage. With body color overspray feathering toward the transmission tunnel. Pinch welds were painted last with semi-gloss black on light colored cars. Usually black cars and darker cars didn't get the pinch weld paint.
Hope this helps.
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As mentioned red oxide was the color of the epoxy primer used at NJ that year. Not the flat primer but a smoother primer sealer product that was epoxy based. Pinch weld black out has been found on allot of dark color cars from this period as we continue to see more original cars. Front frame rails ( on the bottom) and brackets facing downward in front of the firewall may be a slightly different tone of red oxide since that area was painted at the different station and time from the firewall rearward. Some times there was allot of body color overspray other times less. May be the results of an older or younger, taller or shorter painter as well as one putting more effort or less.
Here are a couple of pictures of sections of floors collected from 70 NJ cars
In this example not much of the body color or pinch weld made it through the clean up process. The blue arrow shows a section with the pinch weld black out remaining. Between the red and yellow arrows you can see some body color overspray as it would have "collected/settled" on one side of the floor rib facing outward towards the rocker. Direction towards where the black pinch weld paint remains.
(http://www.concoursmustang.com/forum/gallery/3/6-250115185503.jpeg)
Another example from just before your car was built
(http://www.concoursmustang.com/forum/gallery/3/6-250115190133.jpeg)
Here is a shot from a 70 NJ Mach. Since the black under the car is often light overspray (unless the jet was close to the panel) if often did not hold up as well as the body color over the years. Possibly the reason the frame rail in the picture shows little or no black remaining
(http://www.concoursmustang.com/forum/gallery/3/6-250115185444.jpeg)
In addition to the body color and pinch weld black out on the bottom of the floors your car would have also received a couple of passes with a wand applying sound deadener - Mach I, Grande and some Boss 302 thing ;)
A few related (not exactly but in general) threads. Though they are Dearborn related
http://www.concoursmustang.com/forum/index.php?PHPSESSID=kfbltiebpa8f14ef2hnuvmran2&topic=7910.msg45383#msg45383 (http://www.concoursmustang.com/forum/index.php?PHPSESSID=kfbltiebpa8f14ef2hnuvmran2&topic=7910.msg45383#msg45383)
http://www.concoursmustang.com/forum/index.php?PHPSESSID=kfbltiebpa8f14ef2hnuvmran2&topic=4217.msg23241#msg23241 (http://www.concoursmustang.com/forum/index.php?PHPSESSID=kfbltiebpa8f14ef2hnuvmran2&topic=4217.msg23241#msg23241)
NJ cars due to rust issues are often much more difficult to get good pictures of - though Boss's since they were shipped further from the area tend to offer up the best examples in general
Shot of a 70 NJ with sound deadener followed another picture with the sound deadener area highlighted
(http://www.concoursmustang.com/forum/gallery/3/6-250115190244.jpeg)
(http://www.concoursmustang.com/forum/gallery/3/6-250115190635.jpeg)
In this picture you can make out the red oxide (to the left) where the sound deadener has been cleaned away, while on the right side still some remaining body color showing through where the sound deadener has fallen off
(http://www.concoursmustang.com/forum/gallery/3/6-250115185706.jpeg)
Extra picture showing how on this car even the rear frame rail got a decent coat of body color. And BTW while your doing all this work - don't forget the dolly marks ;) Don't want to be trying to do them afterwards - in reverse
(http://www.concoursmustang.com/forum/gallery/3/6-250115190657.jpeg)
Hope this helps
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Thank you for the replies.
At present the whole underbody is red oxide.
I have some work to do.
Many thanks
Ward