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Mustang Mystery: The Noise

Moderator: Mod Squad

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MustangDadDrake
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Location: Orange, CA

Mustang Mystery: The Noise

Post #1 by MustangDadDrake » Sat Feb 09, 2019 1:17 pm

Hi All,

I have talked about this in a previous post but wanted to start fresh.

First, I followed Bubba's tune specs almost perfectly these are my current settings.
Spark Plug Gap: .034
Point Gap: .27 (Dwell 34 degrees) *Bubba recommended 38 degrees
Timing : 12 BTDC

Car is running well with this settings however I get a strange noise when I am in park and I step on the gas. Hoping for someone's wise ears to tell me what is going on here. Bubba had mentioned the starter and I have not checked that yet. But since the tune is complete I wanted to see what else it could be and upload a new video. I also moved my distributor to the proper location thinking that might have been the problem but it still happened. I uploaded photos of the distributor as well, could it need more lubrication?

Thanks for all your help in educating me on the car and getting to running and running right! :thumbup:

The Noise 2.8.2019

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1968 Mustang from Pops. Current to do list: have fun and learn new things

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chad
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Location: Lawrence Swamp, S. Amherst, MA

engine rattling

Post #2 by chad » Sat Feb 09, 2019 1:37 pm

we went over this B4, sorry no fix.
Some said "tim. chain against case", "vibrating exh against the under body", etc.
If U can locate it & again name where that is it can help a lill.

The description is a lill contradictory 4 me:
"Strange noise coming from engine on deceleration.
Noise did not occur while driving. Only when car is in park." as it stated movement & non movement at the same time.
I assume U mean - appears "on engine revs decreasing" after rapid throttle increase.

I agree w/the 2 possibliities above'n add "flex plate bent" as its an automatic.
"Big thing is only make one change at a time. Change 2 or more things at a time it becomes difficult to figure which change helped or hurt" turbo2256b » 1/16/2017
Chad - '70 LUEB on '77 frame (i.e. PS, D44, trapezoidal BB 9", 4.11), 250, NV 3550 & DSII to B transplanted, "T" D20/PTO, 2" SL, 1" BL, 4 discs, 33"X15", tool boxes, etc. Seeking: Hydraulic gear motor for Koenig pto. chrlsful@aol.com (413) 259-1749

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bubba22349
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Re: Mustang Mystery: The Noise

Post #3 by bubba22349 » Sat Feb 09, 2019 1:41 pm

:beer: congrats on making some progress on your tune up! I sill will suggest that you use the 38 dwell setting instead of .027 which is just the starting point to get it running. Using the correct Dwell settings for a point type igisntion system will always give superior results in both performance and economy. Good luck :thumbup: :nod:
A bad day Drag Racing is still better than a good day at work!

I am still hunting for a project car to build but with my current low budget it's not looking so good. My Ex- Fleet of Sixes these are all long gone! :bang: 1954 Customline 223 3 speed with O/D, 1963 Fairlane project drag car with BB6, 1977 Maverick 250 with C4, 1994 F-150 a 300 with 5 speed.

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MustangDadDrake
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Re: Mustang Mystery: The Noise

Post #4 by MustangDadDrake » Sat Feb 09, 2019 3:23 pm

Thanks for the tips.

I’ll get back in there and check those things as well as just the dwell.

Thanks again!
1968 Mustang from Pops. Current to do list: have fun and learn new things

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chad
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Location: Lawrence Swamp, S. Amherst, MA

The Noise

Post #5 by chad » Sat Feb 09, 2019 3:47 pm

like the new avatar,
handsome driver!
"Big thing is only make one change at a time. Change 2 or more things at a time it becomes difficult to figure which change helped or hurt" turbo2256b » 1/16/2017
Chad - '70 LUEB on '77 frame (i.e. PS, D44, trapezoidal BB 9", 4.11), 250, NV 3550 & DSII to B transplanted, "T" D20/PTO, 2" SL, 1" BL, 4 discs, 33"X15", tool boxes, etc. Seeking: Hydraulic gear motor for Koenig pto. chrlsful@aol.com (413) 259-1749

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StarDiero75
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Re: Mustang Mystery: The Noise

Post #6 by StarDiero75 » Sat Feb 09, 2019 10:43 pm

I'd suggest its the starter. If previously mentioned and you haven't touched it yet, I'd take a look at it.

If it were a stick id say push start it after taking the starter out to test if thats it, but i dont know if that works with an auto.

Once you determine if it is or not then evaluate again.

Put your head in the engine bay and rev it, see if you can pinpoint the noise. That may help.

Good luck,
Ryan
--1965 Ranchero w/1966 200, dual friction diaphram 9" Modern Driveline clutch and billet flywheel all balanced, 1985 SVO WC T5 with front shift, 1966 2.8 Ford 8", Weber 32/26 with VI adapter, CRT Performance HEI.
--1961 Studebaker Lark VI, OHV 170 l6 in the process of being resurrected. But it lives
--Creator of the only Weber 32/36 conversion video.

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