why is a 327 ingraved on the my LT-1 BLOCK i have alway's wonderd and i would like an answer .

 

Production Number????? Maybe....

 

I believe it is because that is the last three digits of the original LT1 block part number.

 

dam i thought mybe i had a 327ci motor,

i guess i'm just trying to find an excuse why my z28 is too slow

 

haha, thats great

 

its all a hoax, the 93-97 f-bodies came with a 327 and 3 dueces, someone obviously swapped all our top ends at the dealer and tried to convince us otherwise. They just werent smart enough to grind off the casting number

 

I thought the LT1 block was a 327 block bored out to a 350

 

Actually a 327 and a 350 both have a 4 inch bore. The stroke is different. On a 327 it's 3.25 and on the 350 it's 3.48.

 

so the LT1 block is a 327 block?

 

No.

The LT1 block casting number is 10125327. It is unique to the Gen 2 SBC 350ci engine. It was never used for any other displacement. The only other Gen 2 SBC is the block used in the 265ci "baby LT1". It carries casting number 10168588, and has "4.3" cast into the side of the block.

 

very well said, the end



thanks on the reply's.