944 mods/questions

pete13 · 12-09-2001, 03:50 PM

I have my christmas list, as well as a few questions concerning it:

-msds headers
-bursch exhaust

Question: will the msds headers coupled with the bursch exhaust (part # pel-bur-010) make up the entire exhaust tract? in other words, will i be replacing everything that exhaust flows through for absolutely no restriction?

-new chip

Question: what kind/where to get a good chip? brands? i have heard of autothority? is that good?

-msds air intake

Eturbo924 · 12-10-2001, 09:54 AM

I think you will still need the cat bypass tube.
Most of the aftermarket parts are made to bolt in front of and behind the cat. I know the headers I purchased go up to my 924 cat. Worst comes to worse take the car down and have a custome pipe made to connect the two.

Eric
www.geocities.com/eturbo924

adrian jaye · 12-10-2001, 01:57 PM

Re the chip.

Unless it's a turbo, theres no real gain from having that done.
plus it's a bit dubious what you get as there are always trade opff's.

there are various FAQ's out there explaing chipping in detail

Adrian

Eturbo924 · 12-12-2001, 05:54 AM

Well I just purchased a 83 944. When I test drove it the shop said it had a free flow exhaust on it. The car was definitely to noisy but also revved noticeably quicker than it does now... stock style exhaust back on it. It is much more liveable now though.

So from experience free flow does help 944.

IceShark · 12-12-2001, 06:10 AM

Yes, don't waste your money on a chip for the NA 944. I recall someone saying they got an extra 2 hp at the wheels when they did a dyno. Better to just pull some weight out of the car.

Ganja Porsche · 12-12-2001, 08:12 AM

Pete: You'll need a cat bypass pipe. Also, you do know the msd headers require welding correct? I recommend you go with:
-Bursch Headers - $220
-TestPipe - $109
-Bursch Muffler - $215

IceShark: Well, chips are not only for horsepower, for a pre 85.5, it will take away that nasty engine shutter. On all the others, it helps fuel economy I'm sure and probably a smoother ride. There is a website somewhere, where the company has a 944 project car, they recorded a .5 second faster 0-60 after the chip. then again, who is to say the conditions were the same eh?
I've also heard that a chip's performance aspects show up more when you have a free flowing exhaust system. I still remain neutral on the question of chip or not simply because they are so damn expensive...

Firestarter_944 · 12-12-2001, 09:17 AM

GRM had a chip in their Project 944. It did help to 60MPH by raising the rev limiter. Once all was said and done, the car produced less hp and torque with the chip than without... so they took it back out. The car also has MSDS headers and Borla exhaust. Quite loud but liveable.... if you want to read a bit about the car, some limited information can be found here: http://www.grassrootsmotorsports.com/proj944.html

I own the car now and can't imagine that a chip could do much for me.

Firestarter

gixer02 · 12-12-2001, 10:06 AM

ganja porsche...
when you say engine shutter do you mean vibrations from the engine when revs drop and the clutch is in? (I have an 83) If so and if a chip gets rid of that then now I might consider a chip... I used to think of it only to add hp and in the na it doesn't add much, but if what I have is what you call engine shutter and I can fix it then I want a chip... thanks

Pat

pete13 · 12-12-2001, 02:19 PM

I was planning on just having the new exhaust installed by a professional, since I dont have all the necessary equip. I've heard that test pipes make the car obnoxiously loud, and dont you need a catalytic converter in the system for emissions? What I want is just a header-cat-muffler system, but low-restriction. Do the Bursch headers give as much of an hp gain as the msds? Where could I order that bursch system that Ganja speaks of?

RIchard944 · 12-12-2001, 05:08 PM

Quote:

Originally posted by gixer02
ganja porsche...
when you say engine shutter do you mean vibrations from the engine when revs drop and the clutch is in? (I have an 83) If so and if a chip gets rid of that then now I might consider a chip... I used to think of it only to add hp and in the na it doesn't add much, but if what I have is what you call engine shutter and I can fix it then I want a chip... thanks

Pat

You don't need a performance chip just to get rid of the shudder. This guy has a stock chip that has been fixed. I got it last month and it works great. See the thread 'Chipping a 944' for more details. Richard 84-944
http://members.tripod.com/944dme

gixer02 · 12-13-2001, 08:39 AM

much thanks rich...

Pat