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Gas Smell

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apannizzo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote apannizzo Quote  Post ReplyReply Direct Link To This Post Topic: Gas Smell
    Posted: Oct/23/2017 at 8:03am
I have a 74 AMX with a 360. For some reason the Car is having a pretty Bad Gas Smell, like there is a leak somewhere. The other Day I filled the Tank. I checked for Leaks everywhere and could not find any. Could anybody have any suggestions as to why This is happening? The Smell is always there, but worse now with Full Tank. Car runs Great, but Smell is annoying! Thanks for any Help!
Allan Pannizzo
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304-dude View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 304-dude Quote  Post ReplyReply Direct Link To This Post Posted: Oct/23/2017 at 8:18am
Well, I had the same issue, until I swapped out with a new replacement carb. The original Motorcraft had over 80k and 20 years of use, and needed rebuilt. I assume with modern gas, the issue is more problematic with carbs not checked or rebuilt every 10 years or so.

I could be throttle rod wear and needs replaced and the holes bushed. Never checked further other than visually inspecting for leaks, which none were found.
71 Javelin SST body
390 69 crank, 70 block & heads
NASCAR SB2 rods & pistons
78 Jeep TH400 w/ 2.76 Low
50/50 Ford-AMC Suspension
79 F150 rear & 8.8 axles
Ford Racing 3.25 gears & 9" /w Detroit locker
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apannizzo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote apannizzo Quote  Post ReplyReply Direct Link To This Post Posted: Oct/23/2017 at 10:05am
Thanks Dude,

I am having my Carb replaced with an EFI system next week. I am hoping that helps, just concerned it might be something else I am missing.
Allan Pannizzo
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carnuck View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote carnuck Quote  Post ReplyReply Direct Link To This Post Posted: Oct/23/2017 at 10:34am
The charcoal canister may be not working but alcohol and other things in modern gas makes the smell stronger from even one drop!
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mmaher94087 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mmaher94087 Quote  Post ReplyReply Direct Link To This Post Posted: Oct/23/2017 at 11:07am
Check the top of the gas tank. They are prone to rust out; especially in areas that salt the roads in winter. You will need to drop the tank to inspect.
Mike
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Red20 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Red20 Quote  Post ReplyReply Direct Link To This Post Posted: Oct/23/2017 at 11:08am
I had a sending unit leak once that was mostly present when the tank was full. It was just seeping out though and soaking into the area around the sending unit but not enough to actually drip onto the ground.
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