65' Mustang GT - Page 44 - Ford Muscle Forums : Ford Muscle Cars Tech Forum
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post #646 of 671 (permalink) Old 11-27-2016, 06:20 PM
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Re: 65' Mustang GT

Nice work, Looks Great!
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post #647 of 671 (permalink) Old 11-28-2016, 02:32 AM
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Re: 65' Mustang GT

BEAUTIFUL JOB Dennis!!
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post #648 of 671 (permalink) Old 12-11-2016, 03:47 PM Thread Starter
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Re: 65' Mustang GT

Thanks Guys!!!

Dennis

65' Stang Street/Strip. Dart 434W NA, Victor heads, G101A 4 Spd, 4:56 rear gear, on 93 octane pushing 3550lbs. [email protected]
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post #649 of 671 (permalink) Old 12-11-2016, 04:20 PM Thread Starter
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Re: 65' Mustang GT

Fixed the passenger side spear that I didn't like and block sanded the whole hood to help correct any high or low spots:





While I was working on the hood I also prepped a new rear valance for the stang. (I had backed into a trash can at the track earlier in the year.) Since I don't use the bumperettes I weld up the holes before filler:



Looks like a lot of filler but its really a skim coat that was mostly sanded off.

Reprimered the hood both top and bottom and laid on a guide coat for sanding:





Also primered the valance:



I let the primer setup over night and then tried the hood out on the car:















View from behind the steering wheel:



This is how far the air cleaner sits above the fenders with the Victor raise port heads, Super Vic intake, Braswell carb with a thick baseplate, 1/2" phenolic spacer, 1/8" thick Z28 heat dissipating plate (will be removed), and the drop base 14" air cleaner with a 3" tall filter:



With the hood installed there is now 7/16" of clearance above the air cleaner.

The hood and valance will now be placed in storage for a few months to allow for any shrinkage of the body filler and primer. A more immediate concern is the "Bondo Apocalypse" that my garage has become from all the filling and sanding. A major cleanup is now underway so I can start the header mod project.

Dennis

65' Stang Street/Strip. Dart 434W NA, Victor heads, G101A 4 Spd, 4:56 rear gear, on 93 octane pushing 3550lbs. [email protected]

Last edited by dennis111; 12-11-2016 at 04:32 PM.
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post #650 of 671 (permalink) Old 03-09-2017, 04:09 PM Thread Starter
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Re: 65' Mustang GT

A little update on the motor changes this winter.

While I was freshening the motor I decided to change a couple of things. Even though I modified the headers last year to get them to fit in the car, I redid them again this winter. Specifically I raised the collectors to increase ground clearance, rerouted the tubes to better suite the firing order, and added more tube clearance near the starter. First a little background.

Original as delivered Accufab 1 7/8" headers with 3 1/2" collectors.

LH:



RH:



The main problem with them was that they didn't fit the car, even with the 68' front suspension and notched shock towers. Their attempt to make room for a Zbar failed. In all fairness, no one makes big tube headers for a 351w in an early Mustang that can use a factory Zbar and I had repeatedly begged Joe to give it a try. I figured that once I had them in hand I could make them work.

Here is my last year's redesign that took care of the issues above.

LH:



RH:



The headers worked great last summer but I didn't like how low the collectors were mounted under the car nor the proximity of 2 RH header tubes that were practically touching the mini starter. With this in mind, this winter I decided to make the necessary clearances plus add a couple of performance minded features.

On the LH header I rerouted the #7 tube from under the bellhousing to over the zbar. This mod allowed me to match all the tubes going into the collector in the rotational firing of the motor:



On the RH side the tubes were moved away from the starter by nearly 1". That side's tubes already matched the rotation firing of the motor so I didn't change how they entered the collector:



Due to clearance issues that made it hard to reuse the old collectors, a set of Cone Engineering merge collectors took their place. Their CE merge collectors consist of a star like device located inside the collector to smooth the exhaust transition as it exits out of the individual tubes and a reduction from a 3 1/2" collector size down to 3". From there it opens back up to 3 1/2". This choke is supposed to act much like car venturi by speeding up the flow and it helps prevent exhaust reversion.





The old cam in the 434w bled off too much cranking compression giving only 170lbs measured with its 11.2:1 static compression. The motor was designed around 185lbs cranking so some power was being left on the table. I contacted Mark at Bullet and he tinkered with the specifications and came up with a slightly different exhaust lobe. The intake lobe remained the same:

Old cam specs:



New cam specs:



Here are both cams side by side:



Because I use a steel distributor gear, I had this year's cam ground on a special 3 piece core with a compatible drive gear:





To better dial the cam to where it was recommended, I installed a Cloyes Quick Adjust timing gear set:



The top gear is 2 pieces which allows the cam to be mechanically moved without disturbing the chain location by loosening the 6 bolts seen on the gear face and using the included tool to make the adjustment. With it I was able to dial the intake opening to be dead on the recommended 106* . Initially I thought that it would be an easy to make adjustment, but a minute amount of movement can create a major change in the cam location so it took a while to get it dead nuts on 106*.

While I had the heads off I removed the valve springs and had them tested to ensure they were up for another race year. I also lapped the valves to ensure they had a good seal. While I had them out I was able to check out the work that the porter did in the valve pockets:







I hope to have the motor completely reassembled and installed back in the car this coming weekend.

Dennis

65' Stang Street/Strip. Dart 434W NA, Victor heads, G101A 4 Spd, 4:56 rear gear, on 93 octane pushing 3550lbs. [email protected]

Last edited by dennis111; 03-09-2017 at 04:24 PM.
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post #651 of 671 (permalink) Old 03-12-2017, 04:57 PM
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Re: 65' Mustang GT

That's a BIG BOY CAM, what fuel are you running?


427 TT, T-56, 9.02 @ 162
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post #652 of 671 (permalink) Old 03-13-2017, 01:16 AM Thread Starter
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Re: 65' Mustang GT

Quote:
Originally Posted by v8Billy View Post
That's a BIG BOY CAM, what fuel are you running?
That's what it takes to push the heavy NA turd to 7500rpms in order to get 9's on available anywhere 93 octane pump gas.
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Dennis

65' Stang Street/Strip. Dart 434W NA, Victor heads, G101A 4 Spd, 4:56 rear gear, on 93 octane pushing 3550lbs. [email protected]
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post #653 of 671 (permalink) Old 03-13-2017, 08:19 AM
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Re: 65' Mustang GT

Dennis, your cam is pretty much the same lift/dur as my BB 521....which, I actually chose a smaller came for mine for some "streetability"... pretty nasty though...sweet.


Project 521 Gydyup - 67 Mustang Coup
521 BBF-Solid Roller -Kaase P51 Heads-Victor-AED Dominator - Jerico DR4, Long Inline Shifter.
Shortened & Mini Tubbed. Strange Nodular 9, Spooled 4:56, Mark Williams Axles.
"old School - WWDD"
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post #654 of 671 (permalink) Old 03-22-2017, 04:00 PM Thread Starter
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Re: 65' Mustang GT

Although I wasn't planning on doing much Friday night racing this year, one of the classes will now be done on a Sportsman's tree (full tree) vs the Protree that I'm very accustom to. Since most other tracks I visit are further away and run only a Sportsman's tree, this looks like a good way to get some much needed practice before making the long haul. Its also cheaper and more fun than regular T&T.

Car is about 75% together and I hope to start it this Sunday. Last weekend I managed to match the old 3.5" exhaust to the new headers, test fit my new clutch, do some more work on the vacuum pump install, and also R&R'ed the rear pumpkin back to the 4.33 gears. That will allow me to run the car until I have time to swap the 4.56 gears into the spare carrier in place of the 4.71's that I didn't like. Got the gears, just not the time.

A few pics . . . .

Vacuum pump on homemade bracket assembly:







Crank mandrel contains the pulley for the pump and also allows me to manually rotate the motor when setting up the clutch:



Modded valve covers for evac. 12AN Suction out:



Vacuum regulating valve and O-ringed oil filler cap:



Sealed locking dipstick:



I simply removed the old dipstick tube from the timing cover and installed the Moroso unit in its place after cutting the new tube length.

Just need to mount the catch can and install the AN fittings to make it work.

New clutch assembly installed:



The new clutch gave me less throwout bearing travel so I'll be pulling it back out in order to create more clearance.

Headers and tranny:





The headers point toward each other so that the 3.5" tube exhaust pipes can go under the tranny mounting brace like the factory did. Even though the collectors are mounted higher, I now have more side clearance to install the bellhousing than I had before.

Collectors tuck up a lot tighter under the body than last year.

Last year:



This year:



I will reuse the same old exhaust from the headers back.


Dennis

65' Stang Street/Strip. Dart 434W NA, Victor heads, G101A 4 Spd, 4:56 rear gear, on 93 octane pushing 3550lbs. [email protected]

Last edited by dennis111; 03-22-2017 at 04:07 PM.
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post #655 of 671 (permalink) Old 03-31-2017, 04:43 PM Thread Starter
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Re: 65' Mustang GT

With the new clutch installed I didn't have the proper amount of free play for the throwout bearing. Most clutches require .250-.375" and I had about .200 maximum. My solution was to purchase a 2nd Lakewood blocking plate cheaply off Ebay to use as a spacer to shim the scattershield and transmission rearward:



Since there is not enough room behind the flywheel for a 2nd blocking plate, I traced the outline of the flywheel. Then I used a jigsaw to remove it and the interfering areas around the starter:



The results was a perfect .125" spacer that would not interfere with the flywheel or starter:



Here's the spacer in place in front of the original blocking plate:



The throwout bearing now has close to .325" of freeplay before it fully touches the fingers of the pressure plate.

No other mods were need as there was adequate adjustment for the shifter and the transmission mount to be moved rearward. Also there there was no issues with the driveshaft yoke as I allow for some extra travel when the driveshafts are built due to the car being used at the track.

The 4.33 pig is now reinstalled:



The crankcase evac pump is now completely installed with hoses and drive belt:



(Since the above picture was taken, I swapped the hose locations on the pump as in this configuration it was pressurizing the crankcase!)

The catch can is located on the RH side of the radiator support:



I am still playing with the adjustments of the relief valve, but at idle the crankcase has 4hg of vacuum and with more RPM's it gets as high as 20hg.

As of today, the car is now fully operational again and ready for some street driving this weekend before its first trip to the track maybe next weekend.

Dennis

65' Stang Street/Strip. Dart 434W NA, Victor heads, G101A 4 Spd, 4:56 rear gear, on 93 octane pushing 3550lbs. [email protected]

Last edited by dennis111; 03-31-2017 at 04:53 PM.
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post #656 of 671 (permalink) Old 04-01-2017, 02:52 AM
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Re: 65' Mustang GT

Amazing work Dennis.......GOOD LUCK!!
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post #657 of 671 (permalink) Old 04-01-2017, 03:58 AM Thread Starter
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Re: 65' Mustang GT

Quote:
Originally Posted by Marauderjack View Post
Amazing work Dennis.......GOOD LUCK!!
Thanks MJ.

Dennis

65' Stang Street/Strip. Dart 434W NA, Victor heads, G101A 4 Spd, 4:56 rear gear, on 93 octane pushing 3550lbs. [email protected]
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post #658 of 671 (permalink) Old 04-06-2017, 05:46 AM
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Re: 65' Mustang GT

As always, Awesome Dennis.


Project 521 Gydyup - 67 Mustang Coup
521 BBF-Solid Roller -Kaase P51 Heads-Victor-AED Dominator - Jerico DR4, Long Inline Shifter.
Shortened & Mini Tubbed. Strange Nodular 9, Spooled 4:56, Mark Williams Axles.
"old School - WWDD"
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post #659 of 671 (permalink) Old 04-10-2017, 03:59 PM Thread Starter
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Re: 65' Mustang GT

Mountain Top Dyno 2017: https://youtu.be/ZyExZDmhZPA

First time slip of 2017 resulted in a new personal best:


Dennis

65' Stang Street/Strip. Dart 434W NA, Victor heads, G101A 4 Spd, 4:56 rear gear, on 93 octane pushing 3550lbs. [email protected]
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post #660 of 671 (permalink) Old 04-15-2017, 04:06 PM Thread Starter
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Re: 65' Mustang GT

Went racing on Friday evening and further raised the bar with new PB [email protected]:



Ran 5 runs and 4 of them were in the 9's.

Today I painted the modified hood (inner and outer sides) and the rear valance:







Nice and glossy:



After they setup for a month or so I'll color sand and buff them out.
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Dennis

65' Stang Street/Strip. Dart 434W NA, Victor heads, G101A 4 Spd, 4:56 rear gear, on 93 octane pushing 3550lbs. [email protected]

Last edited by dennis111; 04-15-2017 at 04:09 PM.
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