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Discussion Starter · #1 ·
Is there an easy was to spot a 4 cylinder to 8 cylinder conversion?
 

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The identifying engine VIN digit is the 8th digit and is identified as a letter "E" for the 5.0. The 4 bangers have the letter "A" or "M".
 

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For '81-'86 only, the 8th character in the VIN will be.....

3 = 3.8L V6 ('83-'86)
A = 2.3L (also 2.3L turbo in '80)
B = 3.3L I6 ('81-'82)
D = 4.2L V8 ('81-'82)
F = 5.0L V8 ('82-'83)
M = 5.0L V8 ('84-'86)
T = 2.3 turbo ('81-'82 in Canada, '84-'86 SVO)
W = 2.3 turbo ('83-'84 Turbo GT/Turbo RS)

For '87-'93 only, the 8th character in the VIN will be.....

A = 2.3L ('87-'90)
E = 5.0L (non-Cobra)
D = 5.0L Cobra
M = 2.3L ('91-93)
 

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Either the VIN or the title.
 

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Wouldn't trust the title 100%. They can and have been wrong.

And some states do not even have titles for cars older than so many years.
 

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Good point about the title, so go with the VIN.
 

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VIN. But don't let the 4cyl conversion scare you.. I"ve seen a few conversion cars that looked and performed better than true v8 cars.
 
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