Wanted: 3400 exhaust manis with 3500 size ports

[PCGUY112887]

I decided it will be easier for me if I can get a set of 3400 exhaust manifolds that have the big 3500 sized ports on em. I have my "header-style" 3500 manifolds that I am willing to trade for them, maybe with a bit of cash on top of it.

I need the 3400 manifolds along with the crossover piece. My 3500 manifolds have O2 sensors in them with 10k miles if you want em.

You can see pics of the 3500 manifolds in my "3500 swap questions" thread in the Performance section.

If you have these 3400 manifolds at all let me know (even if you don't want to trade) I still need em!

Thanks.

[MY91GT(Z)]

ill have a set this wk how would 45 shipped sound for them comin off 05 3400 if u need 2 know

[PCGUY112887]

If you want the STB like you mentioned in the other thread we could setup a trade with some cash if you would like.

Would those have the crossover as well? Crossover is important to me

[LZeppelin513]

PM sent

[IsaacHayes]

Do post pics when you get em. I'm interested in how they look.

Not doing S&S headers? I heard they fit a grand prix fine....

[PCGUY112887]

Do post pics when you get em. I'm interested in how they look.

Not doing S&S headers? I heard they fit a grand prix fine....

Are you serious? I heard the firewall had to be cut...

Someone needs to find out QUICK! hah

[Azrael]

JMo60 says they'll fit if you're careful enough.

http://60degreev6.com/showthread.php?t=36988&page=2

[blackbombshell95]

Are you serious? I heard the firewall had to be cut...

Someone needs to find out QUICK! hah

They are suppose to fit if you cut the s&s downpipe part at the right place and weld a custom one on.

[IsaacHayes]

DOOOOO EEEEET Headers FTW!

[PCGUY112887]

Wouldn't the port sizes on the S&S headers be too smal for the 3500? Seems like the headers would actually RESTRICT flow.

[IsaacHayes]

Nah should be fine I think. 3400-Modified will be running them on his 3500 heads.

[PCGUY112887]

Just really doesn't seem like they would prove much more power than using the "header style" exhaust manifolds on the 3500.

[IsaacHayes]

So what are you going with? 3400 logs or 3500 header style?

And yes the headers will help more. They aren't true long tubes but they are more header like than the 3500 manifolds.

[PCGUY112887]

I do not know what I am going with yet since the guy that was going to supply me with the 3500 sized 3400 manis is no where to be found.

I have like 4 people wanting to buy stuff from me and 1 for a trade (the one with the manis) and everyone has been offline for over a week. It's driving me nuts, people say they will buy/trade things and I never hear from them again!

[IsaacHayes]

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