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Weekly Fun Question for 6-04-2011
cobra3073

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#1
Weekly Fun Question for 6-04-2011
Good Day:

The Weekly Fun Question (WFQ) is an exercise to give "General" Members the opportunity to test their knowledge on information relative to the '71 - '73 Mustangs.

It is also designed to allow the same members the chance to "win" a nice #1 Icon added to their profile when they are the first to provide the desired response. If a general member "wins" on three separate occasions, the member will have his/her membership (a $25.00 value) paid for a VIP subscription. Please note that when you respond to this post, your "answer" will not appear until the end of the current contest (usually at approximately 7:00 P.M. {CST}) the following Monday when the thread is transferred to the "Archives" Forum. Today's contest will end at approximately 7:00 P.M. on Monday, June 6, 2011.

While VIP members can also "play", their reward is "bragging rights" amongst their peers on the VIP Forum. General members are NOT competing against VIP members in this exercise. VIP members have their very own periodic "contest" which has even more substantive awardsSmile.


The question for this week is:

Considering the small blocks offered in the 1971 - 1973 Mustang, what engine (to include year(s) of manufacture) had a different ignition timing from its peers when equipped with an Automatic Transmission?

Good Luck!


BT
Nearly all automatic equipped 1971 - 1973 Mustangs that came with the Ford small block (250, 302, 351W, and 351C) had ignition timing of 6B. The exceptions were the 1972 351CJ and the 1973 351CJ which had ignition timing of 16B.

The 1972 351HO also required a different ignition timing (10B) but it (along with the Boss 351) was supposedly only available with a wide ratio four speed. The Boss 351 had an ignition timing of 6B.
STRAC

Do the RIGHT thing.
06-04-2011, 12:10 PM
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Comments
#2
I'm going to say it was the 351 Cleveland "H" code engine - 2V (2-venturi carburetor) versions. Those were available in '71, '72, and '73.
  Reply
#3
1972 and 1973 351-CJ wanted 16B timing

1972 Mustang Grandé
2001 Toyota Tundra
  Reply
#4
None.
Unless you consider the 72 351W (not available with Manual) or 72 351HO (manual only) or the 351w in 73 which was only available in an automatic.

'Mike'
73 Convertible - 351C/4V CC heads/4bolt/forged flat tops/comp 270/rhodes/mallory unilite/tri-power/hookers/glasspacks/c6/3.50 limited slip/Gear Vendors/Global West sub frames, strut rods and shelby style traction bars/ Rear sway bar/tilt steering (not original)

Pics of modifications included in:
  Reply
#5
We do have a winner from the "General Membership" this week - - Strac!

Nearly all automatic equipped 1971 - 1973 Mustangs that came with the Ford small block (250, 302, 351W, and 351C) had ignition timing of 6B. The exceptions were the 1972 351CJ and the 1973 351CJ which had ignition timing of 16B.

The 1972 351HO also required a different ignition timing (10B) but it (along with the Boss 351) was supposedly only available with a wide ratio four speed. The Boss 351 had an ignition timing of 6B.

CONGRATULATIONS, Strac. it is obvious that converting O'Ylr's 302 to a 347 Stroker has enhanced your knowledge of the small blocksSmile. You did GOOD!

Source: "Chilton Mustang 1965 - 1973

BT

Do the RIGHT thing.
  Reply
#6
Congrats goodjob
  Reply
#7
Congratulations! I added the coveted WFQ Award to your profile! Cool

[Image: 1gq8uo.png]
1971 Mach 1 - 306cid/C4 Bright Yellow
"Just relax, I've got a friend named Felix who can fix anything!" ~James Bond
  Reply
#8
WoW !!!
Is it cheating to have my Chilton's book open while answering these questions? Wink
I have O'Ylr (347 stroker) timing set to 39@4000RPM (19 initial + 20advance); but with
100-shot Nitrous 35@4000RPM.
THANKS!

1972 Mustang Grandé
2001 Toyota Tundra
  Reply
#9
Congrats!

The question wasn't clear to me. i thought you were asking the difference of each block. For exmaple, was a manual 351w different than a automatic 351w.

'Mike'
73 Convertible - 351C/4V CC heads/4bolt/forged flat tops/comp 270/rhodes/mallory unilite/tri-power/hookers/glasspacks/c6/3.50 limited slip/Gear Vendors/Global West sub frames, strut rods and shelby style traction bars/ Rear sway bar/tilt steering (not original)

Pics of modifications included in:
  Reply
#10
I will try to keep that (clarity) in mind as I develop the questions.

Every once in a while, I seem to do a question/problem that generates some confusion.

THANKS for your input!

BT

Do the RIGHT thing.
  Reply



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