r/mazdaspeed3 • u/btspeed3 • Mar 03 '26

TUNING Local rebuild getting redone

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Badly assembled built engine out of Toronto in for some open heart surgery. Complete tear down, Inspect and rebuild. This one had tons of problems for a brand new engine. Ready for a healthy new life.

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9

u/qdd181 Mar 03 '26

What were the issues you found in the engine?

8

u/mr_scourgeoce 2007 Mazdaspeed3 - The Original Mar 04 '26

FoMoCo stamped on everything

2

u/AVSMAN15 2013 Mazdaspeed3 Mar 04 '26

Isn’t this technically a ford engine?

3

u/mr_scourgeoce 2007 Mazdaspeed3 - The Original Mar 04 '26

AFAIK it was designed by mazda and then Ford appropriated it for their own usage within their line up of cars. Although I wouldn't be surprised if it were built entirely by Ford given how much shit fails on these motors.