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9/24/2017 3:49 PM  #1


Another Bash Test Run

Might as well give credit  here when credit is due. I've been happy but not ecstatic with the sound or performance of my motor since I rebuilt it and drove it 1,000 miles. Well,  that all changed yesterday with good advice and a little prodding from Bullet Bob and MS. Thanks guys.

My 351W stroked to 393, AFR 185 head 268xe cam idled and ran ok, but didn't sound crisp like a 400+ hp motor should sound. Talked it over and sent plug photos to Bob, who in turn talked it over with Steve.  Thanks for your advice guys. So after getting off my lazy butt, I decided to drop the primary jets down from 77 to 75 on the 750 carb.

As soon as I fired it up it sounded better than before.  I adjusted the idle screws in a quarter turn using a vacuum gauge and took her for a spin.

She's  seriously like driving a whole nother car. Good low end smooth power even with the 2.50 rear highway gears.  I just might not put the 3.25 gears back in after the Bash. Took it down to the grapevine and back, 50 miles.  She stayed at the normal 185-195° range with the smaller jets. 

It got to 100mph pretty quickly and 130 without trying and still pulling pretty good.  With the 1" UCA Shelby drop she drove straight and true.  She's gotta be a 150 mph car, but I'd want to firm up the front shocks for anything over 120. For me, it has plenty of power for a mild build.

Today is the first time I've felt comfortable and happy with the motor. Hard for me to believe a simple minor change has made such a big difference.

Thanks again Bob and Steve.


Bob. 69 Mach 1, 393W, SMOD Toploader, Armstrong  steering, factory AC.
 

9/24/2017 5:18 PM  #2


Re: Another Bash Test Run

I'm struggling with alignment issues on my 66 and I can't imagine running 90 let alone 130. What are your alignment specs?


"anyone that stops learning is old, whether at twenty or eighty"Henry Ford
 

9/24/2017 6:51 PM  #3


Re: Another Bash Test Run

Because I did the Shelby drop,  I followed Daze/Opentracker alignment specs. My particular numbers are:

Caster     • 3°
Camber.    • -.9°
Toe in     • 1/16"


Bob. 69 Mach 1, 393W, SMOD Toploader, Armstrong  steering, factory AC.
     Thread Starter
 

9/24/2017 7:20 PM  #4


Re: Another Bash Test Run

rpm wrote:

Because I did the Shelby drop,  I followed Daze/Opentracker alignment specs. My particular numbers are:

Caster     • 3°
Camber.    • -.9°
Toe in     • 1/16"

 
Thanks. I to did the Shelby drop. I had it aligned at a local shop when I did the drop and it handled ok. I put a rebiult steering box in it and now it's way off. I've worked at it for a couple days now but the best I can get is +1.8 caster -.8 camber. Two days just on one side. Going to a local shop that says they can make it right.


"anyone that stops learning is old, whether at twenty or eighty"Henry Ford
 

9/24/2017 9:03 PM  #5


Re: Another Bash Test Run

I did my own alignment. And made the  UCA with some built in caster.

Last edited by rpm (9/24/2017 9:04 PM)


Bob. 69 Mach 1, 393W, SMOD Toploader, Armstrong  steering, factory AC.
     Thread Starter
 

9/25/2017 8:52 AM  #6


Re: Another Bash Test Run

WOW!!!! You made those?! Great work!!!!
6s6


Get busy Liv'in or get busy Die'n....Host of the 2020 Bash at the Beach/The only Bash that got cancelled  )8
 

9/25/2017 10:49 PM  #7


Re: Another Bash Test Run

Thanks Sal. Yes I did make them, and two other sets to get to this point.


Bob. 69 Mach 1, 393W, SMOD Toploader, Armstrong  steering, factory AC.
     Thread Starter
 

10/02/2017 9:11 AM  #8


Re: Another Bash Test Run

Now that is a control arm!!!  Me Like.

 

10/02/2017 2:41 PM  #9


Re: Another Bash Test Run

Nice work.


Mustang Steve Bash in Gruene, Texas September29-30, 2023
 

10/02/2017 10:16 PM  #10


Re: Another Bash Test Run

Amazing what some good tuning can do!

Jane has been running at about 80% for the past... oh, 4 or 5 years? The tune is quite frankly kind of bad. But I've gotten used to driving her this way at this point LOL. I'm sure when I get a new fuel system on her I'll promptly smash right into a tree or something.


"Calamity Jane" - Insane road warrior powered by hopes and dreams and piloted by an idiot.
 

10/05/2017 11:31 PM  #11


Re: Another Bash Test Run

Kelly_H wrote:

I'm sure when I get a new fuel system on her I'll promptly smash right into a tree or something.

Kelly, bite your tongue!


Bob. 69 Mach 1, 393W, SMOD Toploader, Armstrong  steering, factory AC.
     Thread Starter
 

10/08/2017 3:57 PM  #12


Re: Another Bash Test Run

"Leaning-one-out" does make a difference!
Short story...I leaned my Eddy carb out until it quit burning my  eyes out of their sockets. "Most" of the surge was gone and I was happy. When at Cruis'in-the-coast I opened up the headers and acted like a 16 year old (with the rest of 'em).
When I pinned the old throttle it really started stuttering/skipping/missing!!
I BELIEVE.....when the exhaust restriction of those "smoke-choker Blowmaster 40's" was removed...the engine went wayyy past lean to super lean.
Needless to say...we put the caps back on.  Don't like to do much "experiment'in" that far from home.
6sally6
PS.......She sounded like a baddd mama-jama with'em open though!


Get busy Liv'in or get busy Die'n....Host of the 2020 Bash at the Beach/The only Bash that got cancelled  )8
 

Board footera


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