Question on the 99-01 burbs - The 1947 - Present Chevrolet & GMC Truck Message Board Network

iluvmy72 · 03-25-2015, 03:00 AM

I am told that the 99-01 burbs had 5.7's with aluminum heads. Is this true? I could have sworn they all had 5.3's.

95 S_Trucker · 03-25-2015, 06:01 AM

No. The 99 suburban would still be gmt400. It would have a vortec 5.7 with iron heads. 00-06 would have a 4.8, 5.3, or 6.0 availible in the later years. The 5.3 was the most common. Almost all of the ls engines have aluminum heads. There are some early ones that had iron heads.

03-25-2015, 03:00 AM	#1
iluvmy72 Registered User Join Date: Jan 2002 Location: Springville, UT, USA Posts: 1,010	Question on the 99-01 burbs I am told that the 99-01 burbs had 5.7's with aluminum heads. Is this true? I could have sworn they all had 5.3's.

03-25-2015, 06:01 AM	#2
95 S_Trucker Registered User Join Date: Oct 2009 Location: . Posts: 2,187	Re: Question on the 99-01 burbs No. The 99 suburban would still be gmt400. It would have a vortec 5.7 with iron heads. 00-06 would have a 4.8, 5.3, or 6.0 availible in the later years. The 5.3 was the most common. Almost all of the ls engines have aluminum heads. There are some early ones that had iron heads.

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