Diesel Bombers - EGT On The Duramax

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- Chevy/GMC Truck and Duramax Turbo Diesel Forum (https://www.dieselbombers.com/chevy-gmc-truck-duramax-turbo-diesel-forum/)

- - EGT On The Duramax (https://www.dieselbombers.com/chevy-gmc-truck-duramax-turbo-diesel-forum/13889-egt-duramax.html)

Rttoys

06-27-2008 10:24 PM

Quote:

Originally Posted by Johnny Cetane (Post 176222)

I've also heard that you have to be careful with rapid heating/cooling cycles on the Duramax because of the aluminum heads. If you spike your EGTs then let them drop rapidly you can blow a HG. Anyone know if there is truth to this?

Don't worry about the heads or gaskets. The bolt pattern holds them just fine, it's mostly 'nay sayers' down'n the DMax and technology

2500HeavyDuty

06-27-2008 10:31 PM

i spike my egts alot, i see 1700+ alot

rush	06-27-2008 10:43 PM

I've pegged a 2000 deg. egt guage many times at the track.

2500HeavyDuty

06-27-2008 10:49 PM

mine only goes up to 1600, anything more than that i shouldn't be up there anyway.

slowtowpig

06-30-2008 03:52 PM

im sure you can get 4.10s in the big trucks, my tahow has 4.10s lol

Oilfield_Mafia

06-30-2008 04:09 PM

well I maintained about 1300-1400 into a strong headwind coming out here pulling my 5ver.. I think its okay..

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