early and late LT5 ? - ZR-1 Net Registry Forums

fullcircle · 04-12-2011

So how much better are the late LT5's over the early ones? I am looking for a drivetrain for a customers car and was wondering if it would be better to find a 1993-95 over the earlier ones. He wants reliability and aside from headers and a computer tune wont be hopping it up much over stock. Is the added price of a 1993-95 over the earlier ones worth the money in the long run?

Thanks Tom

LGAFF · 04-12-2011

You are starting with 30 HP more with the 93-95....also if you are looking at a 90 model they may not have valve seals on the exhaust...so they naturally smoke alittle. Interms of reliability, they are about the same. But with headers and a tune you should be able to get some decent power out of the later model, they have slightly larger intake ports in the IHs as stock.

04-12-2011	#1
fullcircle Join Date: Apr 2011 Location: Lockeford, CA Posts: 5	early and late LT5 ? So how much better are the late LT5's over the early ones? I am looking for a drivetrain for a customers car and was wondering if it would be better to find a 1993-95 over the earlier ones. He wants reliability and aside from headers and a computer tune wont be hopping it up much over stock. Is the added price of a 1993-95 over the earlier ones worth the money in the long run? Thanks Tom

04-12-2011	#2
LGAFF Join Date: Mar 2007 Location: Crystal Lake, IL Posts: 7,180	Re: early and late LT5 ? You are starting with 30 HP more with the 93-95....also if you are looking at a 90 model they may not have valve seals on the exhaust...so they naturally smoke alittle. Interms of reliability, they are about the same. But with headers and a tune you should be able to get some decent power out of the later model, they have slightly larger intake ports in the IHs as stock. __________________ LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359