Picture of 4-2-1 Manifold...

[mdrburchette]

Heck yeah. I like to show what little I got.

From what I've been told, the original 4-2-1 manifold is quite a good setup and doesn't need to be upgraded unless you're doing a lot of performance mods to the engine.

[So Cal Mark]

the stock cast iron manifold doesn't need to be upgraded? Ho ho, you need to drive a stock Spider with one of my systems on it

[bwilson27]

Matt, thanks for the info.
Mark- Would headers like mine increase HP?

[So Cal Mark]

what headers do you have?

[bwilson27]

This one-

[So Cal Mark]

they're probably better than a stock manifold, but the collector design and size isn't very good. Getting the slip joints sealed is important. The race car I bought has a set like that on it, and they leak everywhere

[mdrburchette]

the stock cast iron manifold doesn't need to be upgraded? Ho ho, you need to drive a stock Spider with one of my systems on it

Have you had the chance to do any dyno runs yet to compare?

[guycroft]

Denise Maria,

those horns kills the air flow more than the hood clearance. I cringe every time I see this.


GC

[mdrburchette]

Dang Guy, you snuck up on me! I'm pulling those little buggers off tonight and eliminating those screens.

[guycroft]

yup, I just had to join - if only to say that...!


G