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Holley Systemax

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Old Mar 25, 2005 | 12:47 PM
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Default Holley Systemax

anyone have the holley systema intake manifolds on there or car.. if so what kind of gains did u see?
Old Mar 25, 2005 | 01:14 PM
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they are the best flowing manifold, but not made for lightly modded stangs. your stang needs to have some heavy mods before youll need it or else youll loose a lot of low end power.
Old Mar 25, 2005 | 01:36 PM
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What are some serious mods and then well see if i could get it... i was looking and i dont even know if they make it for 95's i only seen 87-93.
Old Mar 25, 2005 | 01:52 PM
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any manifold that fits an 87-93 can fit a 94-95 as long as you buy the adapter elbow because your throttle bodies are positioned differently than the 5.0s. you will need heads, TB, bigger MAF and exhaust to take advantage of the holley. those manifolds are made for engines that rev to 6500.
Old Mar 25, 2005 | 01:59 PM
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Im curious too. I am interested in the SysteMax also but my car is stock.

I plan on changing heads and adding exhaust along with a cold air intake (if not Ram Air)

Would that be sufficient enough or is there more needed.

Of course I am like any mustang enthusiast that wants mega HP but budget allows only so much.

NOTE: I favor low end power over high end. Just don't like to push my car really high. Also what would you say the mustang's capability is for max RPM (on stock) before a pushrod gets bent?
Old Mar 25, 2005 | 06:42 PM
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i have heads, cam, bigger mass air and throttle body so now lets talk systemax, i have the gt40 lower intake would the systemax bolt up to that?
Old Mar 25, 2005 | 07:21 PM
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ORIGINAL: Pure5.0

Im curious too. I am interested in the SysteMax also but my car is stock.

I plan on changing heads and adding exhaust along with a cold air intake (if not Ram Air)

Would that be sufficient enough or is there more needed.

Of course I am like any mustang enthusiast that wants mega HP but budget allows only so much.

NOTE: I favor low end power over high end. Just don't like to push my car really high. Also what would you say the mustang's capability is for max RPM (on stock) before a pushrod gets bent?

ive heard of people bringing their 5.0s to 6000 RPM for years. (lol alan)

i personally dont like to rev past 5200 except when i go to the track ill probably bring her to 5500 when shifting.

i wanted a systemax but they are way overkill for my engine now. i would need heads and a stroker to take good use of the holley systemax, they also flow boost very well so... you get the point.



oh and no a holley upper will not bolt up to a GT40 lower because they are completely different runner designs and bolt patterns.

good luck
Old Mar 25, 2005 | 07:41 PM
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so ill have to get the lower manifold now too huh i might as well get bigger injectors since im taking the whole mother ****er off anyways
Old Mar 25, 2005 | 07:43 PM
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well the manifold should come with both... upper and lower, you have to like special order the upper or lower seperately lol...

but anyway, unless your running over 315 Crank HP theres no need for bigger injectors. bigger injectors only allow you to run more power, not make it.
Old Mar 25, 2005 | 07:49 PM
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So my 24 #'s are more then enough huh i heard they can handle up like 350 or so right? I might change out the pump for a bigger one what do u think?



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