advise on manifold selection - Boost Forum

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advise on manifold selection
Tuesday, September 21, 2010 11:40 PM
I'm debating on getting a new manifold for my eco, I'm just trying to decide whether or not its worth it. Right now I have a cast darkknight mani and I'm considering upgrading to a tubular style. I have heard of gains from 20-50 HP just from making the switch. Thing is, I'm currently using the GM flash setup at 8psi. And I really don't intend on going much further. In the future I might be looking at a slight bottom end build maybe some head work but really don't ever plan on getting to extravagant with performance. So my question is... for my scenario would plunking down the extra 300 be worth it in my case? The car will be autocrossed next year but is mostly my summer fun car I drive nearly every day its warmer than 65 degrees out.
Friendly advice anyone?

Re: advise on manifold selection
Wednesday, September 22, 2010 12:33 AM
the gains at the level ur at, well i wouldnt put them too far past 20whp assuming its s properly built tubular manifold. and who sells them for 300.00? thats really cheap.


mike


i make neons go fast


Re: advise on manifold selection
Wednesday, September 22, 2010 1:10 AM
ammfab wrote:the gains at the level ur at, well i wouldnt put them too far past 20whp assuming its s properly built tubular manifold. and who sells them for 300.00? thats really cheap.


mike

Vulcan has them for 368 with external gate. So assuming I can sell mine for about 75ish with shipping that makes my total cost 300ish
Re: advise on manifold selection
Wednesday, September 22, 2010 5:42 AM
i'd look into vulcan's reputation before you send any money their way. But if you honestly don't plan on doing much hp wise then focus on the autocross events you want to do. Nothing beats seat time, and since your boosted you stand little chance anyway due to how they group cars. If you don't have any suspension mods or brake mods I'd look into those as they will help you more on the track.






Re: advise on manifold selection
Wednesday, September 22, 2010 10:00 AM
what do you mean stand little chance, he's in street mod fwd. you avoid all of the bigh hp rwd and awd cars and you basically get put with cars that handle as crappy as your with just some more power, but since they're fwd its not like they can use the power at those speeds. And typically smfwd is a lot of the tuners/ricers who may have a fast car but dont drive it too well. You can be competitive, if I was a better driver I could win local events in this class, but I am teh suck at driving.


1994 Saturn SL2 Home Coming Edition: backup car
2002 Chevy Cavalier LS Sport Coupe: In a Junk Yard
1995 Mazda Miata R-package Class=STR
Sponsored by: Kronos Performance

WPI Class of '12 Mechanical Engineering
WPI SAE Risk and Sustainability Management Officer
Re: advise on manifold selection
Thursday, September 23, 2010 4:52 AM
Leafy, by me the last time I was at an event there was no SM fwd, it was all camaro's and mustangs, and other assorted high hp cars, and I stood little chance. I haven't been to an event in over a year though so maybe some rules have changed, I'm just speeking from my previous experience.




Re: advise on manifold selection
Thursday, September 23, 2010 7:49 AM
they dont have the class if there's not enough people for it, if you were the only sm car that was fwd they'll just stick you in a general sm class.


1994 Saturn SL2 Home Coming Edition: backup car
2002 Chevy Cavalier LS Sport Coupe: In a Junk Yard
1995 Mazda Miata R-package Class=STR
Sponsored by: Kronos Performance

WPI Class of '12 Mechanical Engineering
WPI SAE Risk and Sustainability Management Officer
Re: advise on manifold selection
Friday, September 24, 2010 6:11 AM
gotchya thanks for the info Leafy






Re: advise on manifold selection
Friday, September 24, 2010 10:41 AM
for most SVR events there are no more than 2-3 cars per class anyhow. Besides its all for fun anyway. If i wanted a high hp car id buy a corvette.
Re: advise on manifold selection
Wednesday, September 29, 2010 5:30 AM
curious to see where you can get one for the eco at that price please send me a link
Re: advise on manifold selection
Wednesday, September 29, 2010 12:57 PM
He said he was going to get the vulcan manifold. My guess is he's trying to upgrade from his cast manifold to the better designed, non-cast log type manifold. If he's talking about a header, I would also like to know where to fnd it. Because the vulcan header looks to be 765.
http://www.vulcanturbo.com/GMmanifolds.html

Re: advise on manifold selection
Thursday, September 30, 2010 5:21 AM
don't forget atomic on the forums makes some badass stuff as well. look up atomicfabrications






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