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Engine Specific Info and Questions => IDI Engine => Topic started by: burn_your_money on June 06, 2007, 08:25:35 am

Title: Cracked head - causes?
Post by: burn_your_money on June 06, 2007, 08:25:35 am

What would cause a head to crack like this? My guess is very high EGTs

(http://img.photobucket.com/albums/v176/bevboyy/DSCF0002-2.jpg)

Title: Cracked head - causes?
Post by: saurkraut on June 06, 2007, 09:31:40 am

Not letting the engine warm up befor mashing to go pedal.

It can even be done to a naturally aspirated engine.

Title: Cracked head - causes?
Post by: BlackTieTD on June 06, 2007, 09:45:13 am

very common issue

Title: Cracked head - causes?
Post by: burn_your_money on June 06, 2007, 10:51:35 am

Quote from: "BlackTieTD"

very common issue

Hmm first one that I've ever seen.

You guys know I mean the one from the precombustion chamber to the intake valve right?

Title: Cracked head - causes?
Post by: saurkraut on June 06, 2007, 11:14:55 am

Yup

Might be more common to the naturally aspirated motors, as they probably are flogged cold more often due to lack of power

Title: Cracked head - causes?
Post by: zukgod1 on June 06, 2007, 12:01:03 pm

I have a head that looks exactly like that, its a TD head.

dan