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#1
07-18-2026, 07:35 AM
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428 Swap update: done!
Well I’m proud to say the 69 bird 350-428 swap is done. Mostly.
With considerable help from many here the deed is done. Many battles were fought. I had never done anything like this. I have learned an incredible amount! I ended up putting in my old points distributor and shelving the HEI for now. I struggled to get it right. But I’ll go back to it. Set initial timing to 12 deg. I installed my original th350 after a rebuild and upgrade. Added braided lines and a new shift cable. Installed new cold case radiator. I was very impressed with the fit. Factory shroud fit perfectly. 7 blade clutch fan. I installed a temp gauge just to make sure things are cooling. Running at 170 on 90 deg day! Haven’t hit 190 yet. Alternator is charging 14 volts. Starter is struggling to spin the high compression 428 but it goes. Probably an upgrade in future. Engine fires nearly immediately. Replaced pos cable with 0 awg. Qjet is doing ok. Not sure it’s opening up fully. My throttle cable is a bit short and yankee engineered. But… Hooked up old single exhaust just to run. New dual going in next week! Still running grocery gears. Rear end upgrade coming. Thanks again for the help of so many great people!! She goes!! |
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#2
07-18-2026, 08:37 AM
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Good news to hear!
If you’re cranking slow now then when fully warmed up after a drive you might have a no crank issue . The cheapest and easiest way to get around this for now it to splice in a 10 amp rated kill switch in the wire that feeds the coil. This will let you to first get the motor spinning up nice before you allow the spark to take place.
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
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#3
07-18-2026, 12:03 PM
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Yankee engineered?
I resemble that remark!  Back in 80s replaced 400 in my 68fb with a 69 428 It ripped out everything from rear joint to leaf lf rr leaf springs. Cracked l/F windshield 1" more every launch. Enjoy!
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If you cant drive from gas pump to gas pump across the map, its not a street car. http://s207.photobucket.com/albums/b...hop/?start=100 |
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#4
07-18-2026, 08:58 PM
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Quote:
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#5
07-18-2026, 09:47 PM
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Nice, good job. If you want/need a TH400 let me know, ima in Altoona.
my 350 to 428 was way back in 82, on a 68 LeMans.
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95 Towncar that needs more TQ. Sold 2023: 12.24/111.6MPH/1.76 60'/28"/3.54:1/SP-TH400/469 R96A/236-244-112LC/1050&TorkerI//3850Lbs//15MPG/89oct Sold 2003: 12.00/112MPH/1.61 60'/26"x3.31:1/10"/469 #48/245-255-110LSA/Q-Jet-Torker/3650Lbs//18MPG 94oct Sold 1994: 11.00/123MPH/1.50 60'/29.5"x4.10:1/10"/469 #48/245-255-110LSA/Dual600s-Wenzler/3250Lbs//94oct |
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