I guess the upgrade bug is biting again. I was wondering if anyone has upgraded their intake manifold and/or headers with the SFR stuff or anyone else. Would it be worth it on an S2? What kind of gains could realistically expected? Any opinions?

 

what kind of exhaust do you have?

 

I wouldn't expect a whole lot of a gain on the S2...the factory did a pretty good job with the airflow plumbing on these cars so there's not much to improve on..turbos there are if you're running more boost and things, but I suspect the insane prices on things like intake manifolds would be better spent on suspension or something else. Unless you just wanna make your engine bay look pretty...

 

I heard you could get 10-15hp from those.

 

It's all about compromises...

Most of the aftermarket intake manifolds that I've seen have shorter than stock runners...

This'll give you more top end HP, but sacrifice low end grunt...

 

I have the 2.5" SFR catback. Its great!

 

10-15 hp? If that's a fact it may be worth upgrading for! But at what price? Isn't SFR's new intake manifold gonna cost like a grand? And I don't think they have it for the S2 yet. I'd be interested in a dyno sheet before and after though...Could definately be interesting...

 

</font><blockquote><font size="1" face="Verdana,Tahoma,Helvetica">quote:</font><hr /><font size="2" face="Verdana,Tahoma,Helvetica">Originally posted by dave120:
<strong>I wouldn't expect a whole lot of a gain on the S2...the factory did a pretty good job with the airflow plumbing on these cars so there's not much to improve on..turbos there are if you're running more boost and things, but I suspect the insane prices on things like intake manifolds would be better spent on suspension or something else. Unless you just wanna make your engine bay look pretty...</strong></font><hr /></blockquote><font size="2" face="Verdana,Tahoma,Helvetica">i don't think the factory did such a great job with our engines at all. 200hp on 3 liters is ok but nothing to go to town about. as a matter of fact, there was a thread about this on 968.net where one of the vendors was developing a new intake manifold to bring 968's up to 300hp

 

a 60 hp gain just from the intake manifold on a 968? That'd be something to see...but wow that would be impressive as hell if they can do it. Now I really want to see some dyno sheets of aftermarket intake manifolds on an S2/968.

 

Yeah, that sounds almost too good...does anyone know anything else on that?

 

i'm actually looking for the thread now but if honda can get 120hp per liter, why can't porsche get 100?

edit:
i haven't read the thread yet. what i had read up to (this was a while back), they hadn't finished everything yet but you can see from the first post what the numbers they are shooting for are.

<a href="http://65.61.16.109/forum/topic.asp?TOPIC_ID=2478" target="_blank">http://65.61.16.109/forum/topic.asp?TOPIC_ID=2478</a>

 

Please...our cars are handmade works of art from a prestigious company dedicated to making the finest vehicles available. We have a history in race and endurance! Who wants 100hp/liter when you have...THE CREST. HA! j/k Im sure there is a way to boost these things. Is our intake really the best it can get?

 

No..I'm sure if you had the engine management and things that new Hondas and stuff have you could bump up the hp/liter numbers. But that's a lot of electronic junk I have no idea how to work with or even be able to fund buying at this point.

Honda does most of it with massively high reving engines..why does an old 5.0 Mustang make around 200 hp with a 5.0L v8? 50hp/L when Porsche does the same power output with a 3.0L motor? During the time period the hp/L numbers were outstanding in these cars. If Porsche made a new 3.0L motor it'd have a lot more power I bet.

Hell my '98 Ford Contour makes 190 hp with a 2.5L v6...can Porsche do better? Definately..but at the time they didn't want to make the 944 faster than the 911..same reason the Boxster doesn't have more power today.

 

</font><blockquote><font size="1" face="Verdana,Tahoma,Helvetica">quote:</font><hr /><font size="2" face="Verdana,Tahoma,Helvetica">Originally posted by dave120:
<strong>No..I'm sure if you had the engine management and things that new Hondas and stuff have you could bump up the hp/liter numbers. But that's a lot of electronic junk I have no idea how to work with or even be able to fund buying at this point.

Honda does most of it with massively high reving engines..why does an old 5.0 Mustang make around 200 hp with a 5.0L v8? 50hp/L when Porsche does the same power output with a 3.0L motor? During the time period the hp/L numbers were outstanding in these cars. If Porsche made a new 3.0L motor it'd have a lot more power I bet.

Hell my '98 Ford Contour makes 190 hp with a 2.5L v6...can Porsche do better? Definately..but at the time they didn't want to make the 944 faster than the 911..same reason the Boxster doesn't have more power today.</strong></font><hr /></blockquote><font size="2" face="Verdana,Tahoma,Helvetica">i do realize that porsche had to watch out for overpowering their flagship 911. comparison to american engines is poor because you shoot for the best, not the worst. i admit that porsche does make better use of it's displacement than the mustang does but what exactly is that saying? as a premier sports car company, they should be putting out cars with extremely advanced engine designs that make lots of power out of small displacement. after all, large displacement means a bigger engine. bigger engines mean more weight, which is of course bad.

at the time tho, honda was already making engines that had 100hp per liter. just look at the b16a that makes 160hp from 1.6 liters. granted they do make that power pretty high but it's still a much better ratio than the 67hp per liter that our cars pull off.

 

Wait a sec though...you could easily argue the S2 WAS a better car than the 911 of that day! The specs i believe are really similar, i dont feel like looking them up at the moment. The 964 Turbo was faster, but im not sure about the standard 911. Plus we have the 50/50 weight, i would choose that over a rear-engine car with the same specs. Just my opinion though. (plus we have always had the best interior layout porsche ever made...)