XE302

G'day

I'm running a mild 302 in the XE, nothing serious, has a crane cam with a rev range of approx. 2000-5000rpm, a bit of basic head work just to smooth it out, balanced bottom end and pacemaker 4-2-1 interferance type headers into 2.5" dual then a single 3" over the diff and out the back.

The intake is all standard and seems to run and perform quite well, I'm assuming the Carter can be tuned to suit the motor, it'll be getting dyno'd soon, but I was wondering how much of a difference an aftermarket intake manifold would make to the performance/economy of this engine? I don't want to waste any money on something designed for much higher performance than what I'm looking for with this engine, but if it'll make a noticable difference with the engine set up like this then it may be worth looking at. Also, I really don't want to go to a Holley unless I have to, my understanding is that the Carter is quite a good carby if it's tuned by someone who knows what they're doing

Any suggestions or experiences are welcome

4Vman

For your set-up it won't make any difference other than save weight, the std cleveland 4 barrel manifold is a good thing for mild applications and the edelbrock performer etc are virtually just copies of the std manifold anyway.
You might want to try a 600 holly but i doubt you'll notice much difference, and it wont pass emmisions tests with the holley anyway.

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TruBlu351

Yep, agree that your good old stock 4 barrel manifold....heavy thought they may be....will do the trick. Saves you the $, unless you were to find a cheap 2nd hand Performer.

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XE Falcon
393 Tremec TKO 9"

shaynet

Don't know what state your in but from an old mag article the Carter guru tuner was a bloke in SA but can't recall the name

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The cop said "Do you know why I pulled you over". I said " Well, that all depends on how long you have been following me!"

Spider_GT

i heard the 4v intake on 2v heads is good combo

shaynet

Why would that be a good combo?

So the air coming thru the inlet runner can crash into the side of the head and slow down and have to swirl around to get into the head port - I don't think so.

Ask whoever you heard it from to show you some dyno sheets comparing the 4v and 2v manifolds bolted up to the same engine

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The cop said "Do you know why I pulled you over". I said " Well, that all depends on how long you have been following me!"

Spider_GT

like i said i heard no need to get moody

TruBlu351

This at face value seems like a spazoid idea!!....but Kostecki Engines in Perth have done this plenty of times. They say its good for about an extra 15ft/lbs of torque. You'd think that the turbulence caused by high rpm airflow would have to create problems....but they recommended the idea to me! They have inhouse dyno's and all that gear, and they do make some tuff engines.

When fitting it though, you have to close your eyes, because it just looks wrong

I think I'd refer the port matched setup though.

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XE Falcon
393 Tremec TKO 9"

10secondET

try a torque power duel plane they make great manifolds for clevelands
i have one of there single planes magic manifold there duel plane is a high rise to looks cool and works well WWW.TORQUE-POWER.COM.AU

xbgs351

Stick with what you have and get a dyno tune.