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Re: Oil for ‘72 Mark iv

Shell Rotella diesel 15w-40
by Wixomhead
Thu Oct 07, 2021 8:49 pm
 
Forum: Engine & Drivetrain
Topic: Oil for ‘72 Mark iv
Replies: 8
Views: 307

Re: Radiator Recore on '69 MkIII Vinyl Top Delete Car

$500 is totally fair for correct job.

This will be $1000 in no time at all.
by Wixomhead
Thu Oct 07, 2021 8:47 pm
 
Forum: Engine & Drivetrain
Topic: Radiator Recore on '69 MkIII Vinyl Top Delete Car
Replies: 8
Views: 330

Re: Runaway heat, hard starting, rough idle and etc

Argh. Drained the petcock of water. Poured 1 gallon straight coolant in - THAT filled the rad to 2” from top...hmm, that would mean 12 qts/3 gallons water remainining in the block?? Huh? Reinstalled 180 deg motorad brand thermostat (checked operation in boiling water - opened and closed fine) Drove ...
by Wixomhead
Sun Aug 08, 2021 7:41 pm
 
Forum: Engine & Drivetrain
Topic: Runaway heat, hard starting, rough idle and etc
Replies: 24
Views: 998

Re: Runaway heat, hard starting, rough idle and etc

So...hoping I can bring this thread to a close. * Looking again at the shop manual - I bent the accel pump linkage and moved the pin so as to draw as quick & healthy a squirt as possible out of both nozzles. Huge difference, much better throttle response off idle. * I adjusted idle, timing and i...
by Wixomhead
Wed Aug 04, 2021 3:07 pm
 
Forum: Engine & Drivetrain
Topic: Runaway heat, hard starting, rough idle and etc
Replies: 24
Views: 998

Re: Runaway heat, hard starting, rough idle and etc

Reassembled, without the thermostat. Drove for :30 today, gauge crept past halfway but during 30-40 mph cruise and idle mostly stayed below halfway. Car still hesitates/stumbles at tip in, much less noticeable when hot but terrible when cold. Choke is adjusted properly (?) mostly closed when cold, f...
by Wixomhead
Tue Aug 03, 2021 2:00 pm
 
Forum: Engine & Drivetrain
Topic: Runaway heat, hard starting, rough idle and etc
Replies: 24
Views: 998

Re: Runaway heat, hard starting, rough idle and etc

Update: I have not yet tackled drain plug/flush. Still on the radiator and now water pump rabbit hole. TDC is accurate: #1 at top of stroke 10 deg before (rising) and 10 deg after (falling) by the feel of the socket extension I'm holding in the plug hole, against the top of the piston. Autolite 4300...
by Wixomhead
Sat Jul 31, 2021 9:56 am
 
Forum: Engine & Drivetrain
Topic: Runaway heat, hard starting, rough idle and etc
Replies: 24
Views: 998

Re: Runaway heat, hard starting, rough idle and etc

Hi folks - thanks again for all the quick replies and help. Did I mention the car has 100K on it, I bought it with 84K from orig fam and I could tell it was definitely well maintained but it also sat a lot (indoors). @Tonyc: No, I never pulled the freeze plugs out of the block. Per earlier posts, wi...
by Wixomhead
Thu Jul 29, 2021 9:00 am
 
Forum: Engine & Drivetrain
Topic: Runaway heat, hard starting, rough idle and etc
Replies: 24
Views: 998

Re: Pertronix ignition

A little late to the party but this is by far the best upgrade anyone can do to their 60s/70s cars. Affordable, totally reliable, takes 20 mins to install, if that, can't tell from stock and once done you will forget it's even in there.

Worked great in my 66 and my 71s.
by Wixomhead
Tue Jul 27, 2021 3:22 pm
 
Forum: Engine & Drivetrain
Topic: Pertronix ignition
Replies: 6
Views: 451

Re: Runaway heat, hard starting, rough idle and etc

Mike: YES, with rad cap off and engine operating temp, water level dips then rises right back up to top after throttle. Action TonyC: I cranked timing all the way to 12 where I heard slight ping on accel under load then backed off again to 10. Car has been at 10 BTDC since forever, no issues... And:...
by Wixomhead
Tue Jul 27, 2021 2:25 pm
 
Forum: Engine & Drivetrain
Topic: Runaway heat, hard starting, rough idle and etc
Replies: 24
Views: 998

Re: Runaway heat, hard starting, rough idle and etc

Thanks much, Action. Thermo function explanation much appreciated, that makes sense. Sorry - I meant to type temp diff between rad hoses is indeed 20 degrees, not 2. And exh ports - pass side is discolored as you can see, but driver side - much less so. Thought it might mean something. Vac is 18, st...
by Wixomhead
Tue Jul 27, 2021 6:37 am
 
Forum: Engine & Drivetrain
Topic: Runaway heat, hard starting, rough idle and etc
Replies: 24
Views: 998

Runaway heat, hard starting, rough idle and etc

71 460 was running fine when pass exh manifold finally cracked, see other post if you really want to :). Also - temp gauge consistently ran dead center, but this spring it would sometimes creep JUST A SMIDGE to the right of center, but that's all, ever. Anyhoo - I snapped 3 bolts removing the exh ma...
by Wixomhead
Mon Jul 26, 2021 6:52 pm
 
Forum: Engine & Drivetrain
Topic: Runaway heat, hard starting, rough idle and etc
Replies: 24
Views: 998

Re: Engine Still Stalling!

Does it sputter before slow shut down? That would indicate fuel problem to me. Is your tank venting properly? Correct gas cap? Loosen and and retry?

Does it die without any sputter or drama? That would hint to me electrical prob - wire heating up/shorting. That's a fun one.
by Wixomhead
Mon Jul 12, 2021 10:00 am
 
Forum: Engine & Drivetrain
Topic: Engine Still Stalling!
Replies: 53
Views: 2049

Re: Mark III Exhaust Manifold

OK. Car all back together and runs like it should. Thanks for all the help. 2 things left to do: 1. Go to the AC shop to have them bring the R12 back on line - after isolating the sys / removing the compressor it burped a LOT of oil up and out all over the garage floor AFTER I carefully took it out ...
by Wixomhead
Sat Jun 12, 2021 12:09 pm
 
Forum: Engine & Drivetrain
Topic: Mark III Exhaust Manifold
Replies: 21
Views: 1472

Re: Mark III Exhaust Manifold

Man this is taking a long time. Probably because I went into this project thinking I could just remove the pass side manifold - did not anticipate pulling most of the engine off and out. Sourcing new exh flange studs. Ordering valve grinding stuff. Waited too long to order gasket set. Etc. Went with...
by Wixomhead
Thu May 27, 2021 8:53 am
 
Forum: Engine & Drivetrain
Topic: Mark III Exhaust Manifold
Replies: 21
Views: 1472

Re: Mark III Exhaust Manifold

@action - LOL I just now realized why you used so many exclamation points in your note about bolt still in head lol. I was able to extract the head without binding the bolt/damaging the threads...tilting the motor by jacking up under the pan/driver side mount still attached gave me clearance. Probab...
by Wixomhead
Fri May 07, 2021 7:28 am
 
Forum: Engine & Drivetrain
Topic: Mark III Exhaust Manifold
Replies: 21
Views: 1472
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