3500 Valve Diameter

**SappySE107** · 02-21-2008, 07:48 PM

8mm stems, 1.42" exhaust 1.76" intake.

**G-U-NOT** · 02-23-2008, 04:45 PM

What are they on a 3400 and a 3.1 mpfi?

**SappySE107** · 02-23-2008, 04:59 PM

8mm stem, 1.76 intake and 1.42 exhaust for 3400 and 2000+ 3100
8mm stem, 1.72 intake and 1.42 exhaust for 2.8 and 3.1 and 3100 up to 99

**G-U-NOT** · 02-24-2008, 09:42 PM

Since the 3400 and 3500 both have the same valve sizes, is 1 better than the other or 1 flow better than the other 1??

**ForcedFirebird** · 02-24-2008, 09:44 PM

Originally posted by G-U-NOT View Post

Since the 3400 and 3500 both have the same valve sizes, is 1 better than the other or 1 flow better than the other 1??

3500

**merlot566jka** · 02-26-2008, 11:26 PM

arent the 3500's lighter as well?

**ForcedFirebird** · 02-26-2008, 11:31 PM

Originally posted by merlot566jka View Post

arent the 3500's lighter as well?

I haven't weighed them, but I'm sure if Ben says they are, he did

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