I have a 1998 Gsr with I/H/E and I would like a bit more power without going the forced induction route. Would the Edelbrock Preformer intake manifold give me considerable gains? Would I need any tuning or other supporting mods to see these gains. Would light weight pullies also give me a bit more power? Is there anything else I can do without opening the engine or head to see more power?

Thanks a lot!

 

SEARCH...intake manni with out supporting mods power loss. You want a better drive without opeing the motor try a light flywheel.

 

you will loose a little on the low end, but will gain some HP on the topend..

 

Type-r manifold would be nice or a blox gsr maniflod

 

Unless you have upgraded camshafts and boost the compression ratio, stick with the stock IM.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by P’cola GSR &raquo;</TD></TR><TR><TD CLASS="quote">Type-r manifold would be nice or a blox gsr maniflod</TD></TR></TABLE>

The ITR manifold will not fit a GSR head.

 

the edelbrock is generally thought of as the best intake manifold of the $200-300 units. it's just not something that you want to run with a p72. if you can get your hands on a decent ecu and map for a single runner intake you're golden.

 

I think if you take the butterflys out the stock manifold, you will gain a little bit...

 

please explain how removing the butterflys is going to do anything other than screw up the tune since the motor will now be receiving much more air at lower rpms?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by lmbluke &raquo;</TD></TR><TR><TD CLASS="quote">I think if you take the butterflys out the stock manifold, you will gain a little bit...</TD></TR></TABLE>

Please elaborate, where in the power band will you make gains, where will you lose power? Ask yourself this, for a DD is it worth it?

 

I actually need to replace my GSR intake manifold...I bought the car two weeks ago and just realized that the intake manifold is cracked.

Which intake manifold will run on the stock ECU? I understand that the GSR has a dual runner design and IAB setup. Its a 96 P72 GSR ECU. Any help would be greatly appreciated. I am not looking for anything too expensive, but since my stock part is broken I might as well go aftermarket...as long as it works.

Thanks.

 

I just used the search guys. I noticed the only way I can get away with this is by either getting a GSR intake manifold with the stock ECU or chipping the ECU if I change the manifold. I promise to ask more useful questions in the future...

 

good noob i have a stock GSR manifold on ebay for $18.95 if you need it. if you go the single runner route make sure you address the ECU question and also look through the install guide to see what you will need. PCV hose, throttle cable etc..

 

Great...you just threw in some other things i had no idea about...I think I may go for you intake manifold on ebay if I don't find anythig local. I think it would be wiser for me to keep it simple until I do more research. So its not off with one and on with the other then...

Blox for about $200, ECU for about $150, Adapter Harness about $150 (I have a OBDIIa), chipping and tuning about..$300-$400 - Am I on a more realistic path now? Without even looking into the PCV hose, throttle cable, and God knows what else, I am already at $1000 for an intake manifold...

Would I need anything else if I go for your stock manifold? Thanks for your help.

 

Just buy a used skunk2 intake manifold for about $150. Then all you have to do next is get a chipped p28 $200. Some people that sell chipped p28's know how to do base maps then you just have to tell them to give you a gsr basemap with a skunk2 intake manifold and your bolt ons then you should be fine. I'd suggest tuning after you get camshafts to save you money for now. If your unlucky that the people selling the chipped p28 dont know how to do base maps then you'll have to pay someone some money to do 1 for you which shouldnt be over $100. I personally got a package deal and got a chipped p28 + tune on chrome for $350 from a real dyno.

 

That sounds more feasible. Would the P28 keep everything functional on the car...such as A/C and other electrical components? We have CFT in Orlando that are reputable...crazy EVO's and Civic's out of their shop, and I haven't heard anything but good things about them so far. I will call them tomorrow to find out if they can do a base GSR basemap on a P28. Stankcrx is selling a chrome chipped P28 ECU here. Thanks for all the help.

 

Yes, It'll be fine. Call the shop first to see if they have a package deal (tuning and ecu).

 

Ill tell you what i did. I bought a skunk 2 IM from LSDMOTORSPORTS. They charged me 210 since i was military and i bought alot of stuff from them. After taxes it was around 226 but the only reason i bought one was becuase i just got my Head Port and polished and upgraded my whole valve train and now im getting ready for a tune with hondata. Honestly i wouldn't upgrade you IM unless your going to do alittle bit more to you car. If your are going to get more air into you engine you want to get it out fast enough as well. Just remember this is my opinion. I just wouldnt want some one to waste money and not get the result they want.

 

To be honest, I'm not looking for any immediate results. The car is stock...lol. I just noticed the crack and said "oh, what the hell" and figured I might as well upgrade it now as I will do it eventually. I also feel that this may be the wrong way to do it...I don't have any bolt ons yet, so I will most likely scoop up the IM that idrivesideways is selling on eBay.

 

Skunk2/Blox Type R mani with the Type R TB bored out (or mustang TB) and a new intake will set you up nicely if you want cams later on.

But let's be honest, you're gonna buy all this Ish and end up deciding you need to go turbo anyway.

Why don't people take their time and piece together a cheap kit? Ebay and the FS threads you could get a setup for $2000 or less. Just pay for proper tuning.

 

Well a good upgrade before turbo is buying a new manifold anyways. Especially for gsr. Then you can buy itr/ctr cams and if your not satisfied with your NA setup then you can go turbo because all the parts you just bought just makes it better anyways.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Jintegragsr97 &raquo;</TD></TR><TR><TD CLASS="quote">Well a good upgrade before turbo is buying a new manifold anyways. Especially for gsr. Then you can buy itr/ctr cams and if your not satisfied with your NA setup then you can go turbo because all the parts you just bought just makes it better anyways.</TD></TR></TABLE>

Yea but if he is staying NA, a skunk2/blox/type r style is the way to go for that fatter midrange and nicer top.

Turbo he needs something like that edelbrock.

Either way they money is worth the HP and gains if you go cams/fi anyway, and thw SOTP meter will really see a boost.

 

skunk 2 IM.
Chipped P28 to run it.

 

Okay guys...after more research...and alot of it, I have come to find a "p73" marking on my intake manifold...It has a slight crack in it that has been JB welded. The previous owner of the car had no idea about this...hence the vtec problems I have...the ECU is still stock. In the mean time I am going for a ECU and tune, then get an aftermarket IM and use the type-r TB in the future.

My new question is, what aftermarket intake can I use...GSR or Type-R?

Thanks for your help.

 

it has to be made for the gsr to work a type r intake wont work

if you have a gsr motor that is stock you are not gonna like it with a single runner intake, unless all your time is spent in the higher rpms, the design of the gsr manifold is to give it better mid range and good top end if you get rid of the dual runner manifold then you give up your mid range power and will actually make your car feel sluggish just driving around, in turn making your car feel slower. most high end gains from a single runner manifold usually are substantial enough to lose your mid range over
just my .02

 

Thanks for the heads up. I have been debating whether or not to get a used GSR intake manifold for that reason. I do plan on building the motor in the near future. I am leaning towards an all motor setup. In this event, would it still be better to go back to the stock IM or should I sacrifice my midrange till I get to the internals?