3.8 or 3.9

itschristorres8 · June 17th, 2008, 12:05 AM

the crank is the same as well as the rods from 01-04
oddly according to FORD 96-00 share the same crank but in 01 they changed...i dont see or know how. when i take out my crankshaft i will compare it to an 01 and see whats different

itschristorres8 · June 17th, 2008, 12:07 AM

Originally Posted by HMUSN

the 4.0 IS a completely different motor.

NO! please
just different:
block
rods
pistons
crank
heads
timing components
intakes
valves
springs
harness

aside from that they both have 3 thingy's coming out each side

Cricket · June 17th, 2008, 12:10 AM

Originally Posted by itschristorres8

NO! please
just different:
block
rods
pistons
crank
heads
timing components
intakes
valves
springs
harness

aside from that they both have 3 thingy's coming out each side

forgot cams

those 3 thingys commin out from each side thats where all the powarz are too mang

itschristorres8 · June 17th, 2008, 12:13 AM

Originally Posted by Cricket

forgot cams

those 3 thingys commin out from each side thats where all the powarz are too mang

i knew i forgot something making the list lol
which would include lifters and push rods and the list goes on lol
basically just as hmusn said completely different.

MustanG_guy17 · June 17th, 2008, 02:18 AM

Originally Posted by Cricket

they don't have a intake manifold that says 3.9.

If I'm not mistaken, but someone correct me if I'm wrong the later months of 03, and 04 are the only 3.9L v6's so it's not exactly different years. There is no real difference besides a longer stroke, and .1L.

Mine had a sticker on it that said 3.9 when i used to have it.

MustanG_guy17 · June 17th, 2008, 02:20 AM

Originally Posted by 04mustang232

i hate to say it but i believe your wrong. i have an 04 and i had (fell off) a sticker above my rad that said 3.8. i think only certain ones had the 3.9. but this goes in the group of "why the fword did ford do this?"

If the sticker on your fan says 3.8l then you have a 3.8... If it says v6, it is a 3.9l

MustanG_guy17 · June 17th, 2008, 02:21 AM

Originally Posted by 04DSGV6

if im not mistaken they were mixing parts in between the transition from 3.8 to 4.0 and I might be wrong but I thought that 3.9 was only offered in 2004.

YEP how did you know?.. kinda like breeding dogs. they mixed the 3.8 with the 4.0 and got a cute little 3.9l

Avaric3 · June 17th, 2008, 11:33 AM

Originally Posted by MustanG_guy17

YEP how did you know?.. kinda like breeding dogs. they mixed the 3.8 with the 4.0 and got a cute little 3.9l

June 17th, 2008, 12:05 AM	#21
itschristorres8 I Post Entirely Way Too Much 2000 Mustang V6 n proud 13.1@107mph 2.1-60' Join Date: Aug 2006 Location: south florida Posts: 13,841	the crank is the same as well as the rods from 01-04 oddly according to FORD 96-00 share the same crank but in 01 they changed...i dont see or know how. when i take out my crankshaft i will compare it to an 01 and see whats different __________________ 390rwhp V6 mustang stock bottom end

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