RJS
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As title states, how many coils do the hood springs on 1971-2 Air Grabber hoods have?
The stock flat hood has 18 that I count.
Thanks Ron
The stock flat hood has 18 that I count.
Thanks Ron
How many coils for 71-2 Plymouth AirGrabber hood?
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19 complete coils, had to buy Charger hinges to get them years ago.
Flat hood original spring, 18 coils
Flat hood original spring, 18 coils
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RJS
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Thank you for that information, I posted a want ad on here so we'll see what turns up.
Ron
Ron
RJS
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I have some telling me 20 coils are correct on a 1971-2 Airgrabber hood, What say guys that actually own an original N96 1971-2 Plymouth????
TY Ron
TY Ron
#41
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Given the same diameter spring & metal, less coils would be a stronger spring than more coils. So I would think less coils would be for and air-grabber hood. I'm also interested to know the answer.
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1970 air grabber hood had fewer coils.
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The heavier the hood the more coils needed
Satellite flat hood has 18 coils. Charger flat hood which is heavier has 19 coils and a Coronet which is even heavier has 20 coils
This is for 71-4.
I remember my 71-2 Plymouth N-96 cars having 19 coils but of course I don't currently have one.
Satellite flat hood has 18 coils. Charger flat hood which is heavier has 19 coils and a Coronet which is even heavier has 20 coils
This is for 71-4.
I remember my 71-2 Plymouth N-96 cars having 19 coils but of course I don't currently have one.
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The more coils you have, the easier it is to stretch it out; each coil moves a certain amount when stretched and the more coils, the more stretch. Just like when people cut a coil spring to lower the car, it becomes stiffer at the same time. And you may not be able to go strictly by the number of coils, some people have found that the fresh air hood springs are a slightly thicker wire as well.
From the 1972 parts book:
3586092 is the original part number for cold air hood springs for a road runner.
3586088 for flat or non n96 hoods.
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I just know from what I've parted out over the years. All were plain flat hood cars.
RJS
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72RRGTX so back when you wanted them you just placed an ad looking for Charger coils w/19 full turns and life went on?
TY RON
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Yea, in a nutshell. Started with a nice Satellite flat hood and known original flat hood springs (Honeydew picture above). Retrofitted a complete A/G using all original parts, hood would not stay up reliably. Researched the part numbers, as mentioned, found the flat Charger hoods used the same part number as the RR-GTX N96 application. Found complete used hood hinges advertised as from a Charger on eBay. Springs had an extra full coil, hood stays up. I tried to compare wire size but don’t recall my conclusion. Don’t believe there was a big difference that could be measured accurately after they were painted.
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Update, just did another direct comparison. Flat hood spring is technically 18 and a half coils (note the orientation of the forward hook on the hinge), wire size is .225”. The A/G-Charger spring has 19 coils exactly with a wire size measuring .246”.
Both wire size measurements include paint.
flat hood spring
A/G-Charger spring
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Just looked at a buddy's 72 Air Grabber hoods car...19 coils
RJS
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The funny thing is in 1979 I ordered all the AG parts brand new one piece at a time. (as I could afford). Took my flat Satellite hood off one night and cut it out in my backyard and never changed hood springs because I had no idea I needed to. That car/hood is in Indy with the original I assume 18 coils to this day. The SSP in my picture now cloned to a road runner.
Ron
RJS
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Bite your tongue!!! I would never do that to a 72 Black and white SSP 400 4speed.
When I bought it back the 4th time it was already cloned out in Michigan. Don't get me wrong it was beautiful as a RR/GTX but that car was too rare for that mistake.
I kind of knew you wouldn't do it but I had to word it that way so I made sure I wasn't going to offend anyone... I agree that car is way to nice to do that to and you did an incredible job making it as nice as it is... 4th time though sounds like a love hate relationship!!
I counted 19 coils and measured .253"
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