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Gasoline Smell
(
http://www.clubcobra.com/forums/holley-tuning/142041-gasoline-smell.html)
| Large Arbor |
02-25-2019 01:49 PM |
I talked with the engine builder today and he indicated he would have matched them so maybe the previous owner replaced one with what he had. No big deal, I will get it right now.
Phil
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| Gaz64 |
02-25-2019 04:40 PM |
Good to hear you are on the right track Phil.
Gary
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| Large Arbor |
03-04-2019 02:18 PM |
Carbs are back on. Adjusted the bowls and everything seems to be running fine. The gas smell is mostly gone. I also don't notice a sucking sound for air now. Strange, but it seems like things are significantly better. Once it warms up I will tinker with idle speed and test out more fully.
Phil
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| saki302 |
03-06-2019 04:12 PM |
The 450 for low speed and the 600 for high revs- makes sense, right? :D
Any carbureted car I've owned usually has some gas smell to it from the carb vents.
And with the old cobra or motorcycles, my wife always knew if I took them out, without catalytics, you get that lovely 70s smell I remember :D
-Dave
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| DanEC |
03-06-2019 04:23 PM |
Quote:
Originally Posted by Large Arbor
(Post 1458894)
Carbs are back on. Adjusted the bowls and everything seems to be running fine. The gas smell is mostly gone. I also don't notice a sucking sound for air now. Strange, but it seems like things are significantly better. Once it warms up I will tinker with idle speed and test out more fully.
Phil
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Good deal. Hope they do a little better for you. |
| Gaz64 |
03-06-2019 05:04 PM |
Quote:
Originally Posted by saki302
(Post 1458982)
The 450 for low speed and the 600 for high revs- makes sense, right? :D
-Dave
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It doesn't work like that in dual quad setups, they need to be the same carb, with the same calibration.
Gary |
| saki302 |
03-07-2019 05:36 PM |
Quote:
Originally Posted by Gaz64
(Post 1458985)
It doesn't work like that in dual quad setups, they need to be the same carb, with the same calibration.
Gary
|
I was kidding :LOL::LOL: I'd imagine if you did that, one end would run lean and the other rich, or it would do other odd things through the RPM range.
-Dave |
| Gaz64 |
03-08-2019 02:43 AM |
Quote:
Originally Posted by saki302
(Post 1459036)
I was kidding :LOL::LOL: I'd imagine if you did that, one end would run lean and the other rich, or it would do other odd things through the RPM range.
-Dave
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I'm glad you were just kidding Dave.
One could get this to work, but the jetting sizes would be different, since the venturi sizes are different between a 450/465 and a 600.
Gary |
| Large Arbor |
04-19-2019 12:52 PM |
I tuned the air/fuel mixture on the new carb and what a difference it makes. I cannot believe the difference in the performance. I now have to be more careful as the car gets a little loose when hammering. I could have sworn that I felt some slippage in 3rd gear the other night. Either way, I am happy and thanks for all the helpful insight.
Phil
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| DanEC |
04-19-2019 04:25 PM |
Phil - do you know what jets they went with to tune it?
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Hello Phil, hope your problem is fixed. Btw, does your handle have anything to do with fly reels? Also, it's a cobra, its supposed to stink! :D
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| Large Arbor |
04-20-2019 09:49 AM |
209,
Yep. Problem fixed and yes, Large Arbor is a fly reel provided by Orvis for my salmon fishing trips to that state up north (M) and NE Ohio where the steelhead run. Its a second hobby to the Cobra...The gas smell has lessened quite a bit, but I am not sure why.
Phil
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| desgros@vtlink. |
04-20-2019 01:45 PM |
In addition to all that has been mentioned aviation gas is an improvement with less odor and longer storage life.
John
ERA Slabside #3010 289 BRG
|
| Gaz64 |
04-21-2019 05:39 AM |
Quote:
Originally Posted by DanEC
(Post 1458613)
Yeah - I agree - that's pretty whacked. Hard to figure out how that happened - accident or some doped up theory.
I have an old fuel bowl with the umbrella seal. I'll take a look at it sometime an d see if I can figure out the .063" hole idea.
|
.013 for the bleed hole Dan, not .063.
Gary |
| DanEC |
04-21-2019 07:22 AM |
Well - good thing I haven't gotten around to that yet. I think that was a fat fingered typo of some sort on my part.
Still be interested to know what size jets they put in Phil's carbs.
|
| Large Arbor |
04-21-2019 09:05 AM |
Dan,
I will try to find out and let you know this week.
Phil
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| Gaz64 |
04-21-2019 05:10 PM |
Quote:
Originally Posted by DanEC
(Post 1460877)
Well - good thing I haven't gotten around to that yet. I think that was a fat fingered typo of some sort on my part.
|
I thought it was a typo, but just checking.;)
Quote:
Originally Posted by DanEC
(Post 1460877)
Still be interested to know what size jets they put in Phil's carbs.
|
Yes, +1, :) |
| sstutman |
04-22-2019 08:40 AM |
Gasoline Smell
I have had good luck with additives that make it smell better. Alcohol burning funny cars used it for same reasons. Here's a link but there are many other manuf's. Each flavor has varying degrees of success.....yummy!
https://www.carid.com/big-end-perfor...xoCcPAQAvD_BwE |
| Large Arbor |
04-22-2019 10:39 AM |
Dan,
I talked with my Carb guy and he said it would have 66,67, or 68. I am sorry as he did not know which ones for sure, but thought 68..
Phil
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| DanEC |
04-22-2019 04:51 PM |
OK - that covers a pretty normal range. Stock Holley jetting on 600 carbs was usually 66 or 67 on primary side. Mine had 66s in the 1850s but I put I 67 jets recently. I was curious if they might have gone the other way and smaller than 66 jets.
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