1990 was the last year the "IROC" option was available, and 1992 was the last year of the third generation Camaro. The 350 L98 with tuned port injection was the top engine option and by '92 GM had it pumping out a best 240-245 HP.

The LT1 debuted in the 1992 C4 and found its way into the all new fourth generation F-Bodies in 1993. 275 HP, 10.5:1 compression, aluminum heads, reverse flow cooling and the optispark were trademarks of the new generation II small block.

LS1's were used in the F-Bodies from 1998-2002.

1990 was the last year the "IROC" option was available, and 1992 was the last year of the third generation Camaro. The 350 L98 with tuned port injection was the top engine option and by '92 GM had it pumping out a best 240-245 HP.

The LT1 debuted in the 1992 C4 and found its way into the all new fourth generation F-Bodies in 1993. 275 HP, 10.5:1 compression, aluminum heads, reverse flow cooling and the optispark were trademarks of the new generation II small block.

LS1's were used in the F-Bodies from 1998-2002.

The LT1 was bumped to 285 for 96-97 in the fbody. Yea I love em though.