Suggested Headers / Mufflers / Flywheel for 1999 3.4
on our c2 (still not put the blower on) the flash and intake made the most noticeable difference (and it showed on the dyno too). The exhaust did absolutely nothing but sound... high-flow cats set a CEL off on the NA cars (fussy buggers) and the headers (different for different ones) showed a gain of about 8-9hp which I don't notice. The gain was in the higher rpm ranges only. I wouldn't do exhaust/headers unless you want sound only...
Originally Posted by tricki
Hello all again,
I'm looking into putting a crate 3.4 back into my 1999 996. I was interested in doing the 3.6 w/ X51, but my car has the cable accelerator, and the cost and headache is not worth it. So, I'm thinking:
1 - Crate 3.4
2 - GIAC Chip
3 - Headers - looking for opinions
4 - Mufflers - looking for opinions
5 - Flywheel - Farmbaucher? looking for opinions
6 - Brey-Kraus deep oil pan
I think this will get close to the 3.6 in power, and be a drop in and fairly reliable.
Any thoughts / suggestions would be much appreciated
Rich
I'm looking into putting a crate 3.4 back into my 1999 996. I was interested in doing the 3.6 w/ X51, but my car has the cable accelerator, and the cost and headache is not worth it. So, I'm thinking:
1 - Crate 3.4
2 - GIAC Chip
3 - Headers - looking for opinions
4 - Mufflers - looking for opinions
5 - Flywheel - Farmbaucher? looking for opinions
6 - Brey-Kraus deep oil pan
I think this will get close to the 3.6 in power, and be a drop in and fairly reliable.
Any thoughts / suggestions would be much appreciated
Rich
Stock 3.4 works great.. We do offer a drop in 3.6 based on the old 3.4 email me for cost and options..
GIAC yes the only way to go.
Mufflers = minimal to no power regardless of what anyone says., The most I have documented was 4-5hp
Catalyst-- Highly recommened and will make power I would recommend the Cargraphic high flow cats.. And the car will pass emissions. NO CEL
Headers will extend that torque curve but will depend on who's headers you choose.
Flywheel- Shameless plug we have our own just as good if not better than anyone else's.
Deep Oil Pan-- Sure works if you are tracking the car..
So thats my take on the lot.. Done this several times..........
email me directly for more info on the 3.6= based on the 3.4 / 99 engine fabryce@gmgracing.com
sent you an email
Originally Posted by Fabryce@GMGRacing
email me directly for more info on the 3.6= based on the 3.4 / 99 engine fabryce@gmgracing.com
Originally Posted by sharkster
I love LWF's in these cars....
.
Originally Posted by karlooz
i love mine BUT i fear that some will not. just because of the noise issue. you know, not everyon is as hardcore as us
.
.
The stock ones would have likely sent us into that sweet truck that pulled out
I was hoping you would help and instead you said "What you really need is ANOTHER C2 etc..." Choices!
Originally Posted by sharkster
Dude.. just remember there's NO WAY that stock brakes can be improved either
The stock ones would have likely sent us into that sweet truck that pulled out
The stock ones would have likely sent us into that sweet truck that pulled out

the JRZ singles are quite nice. let me know if you come across another one of those sweet deals

Originally Posted by sharkster
I was hoping you would help and instead you said "What you really need is ANOTHER C2 etc..." Choices!
Originally Posted by karlooz
i recently put the oem muffler back on so that i would pass sound check at laguna seca (track sound limit is 92db). the oem is quiet and the car passed but the top end really suffered. it was a difference i REALLY could feel.
Originally Posted by DimNSlow
That's really odd that only the high end suffers with the OEM mufflers. Anyone know why the high end suffers with the OEM mufflers but not aftermarket? I would have thought that the aftermarket will help both the high end and low end and OEM wil affect the the whole range as well. 

the oem muffler is restrictive. the back pressure it creates is great for combustion chamber packing at low revs. at higher revs the engine needs to breathe and would want less back pressure because the exhaust velocity is higher. aftermarket mufflers are more of a straight thru design. because of it's nature there is less back pressure and less restrictive.
Originally Posted by karlooz
my understanding is:
the oem muffler is restrictive. the back pressure it creates is great for combustion chamber packing at low revs. at higher revs the engine needs to breathe and would want less back pressure because the exhaust velocity is higher. aftermarket mufflers are more of a straight thru design. because of it's nature there is less back pressure and less restrictive.
the oem muffler is restrictive. the back pressure it creates is great for combustion chamber packing at low revs. at higher revs the engine needs to breathe and would want less back pressure because the exhaust velocity is higher. aftermarket mufflers are more of a straight thru design. because of it's nature there is less back pressure and less restrictive.
Originally Posted by karlooz
please don't say stereo equipment 

Car won't be done till late next week though (body shop)
Originally Posted by Brucem
yup... got some more stuff... well removable subwoofers, new DVD unit, new Hood (carbon) new suspension pieces.. new wheels and tires...
didn't you get rear ended? How did the DVD, Subwoofers, carbon hood end up there?
Originally Posted by karlooz
damn those brembos were good! now i have to go spend even more money. ya you didn't even see the truck... glad i was driving an not you 
the JRZ singles are quite nice. let me know if you come across another one of those sweet deals
ur not helping me out either, man. now i am thinking monoballs, brembos, big azz wing

the JRZ singles are quite nice. let me know if you come across another one of those sweet deals

ur not helping me out either, man. now i am thinking monoballs, brembos, big azz wing

Works a treat on the lighter C2s. What truck
?I will let you know man on those and the monoballs really help. Remember we didn't even do the top arms yet (just lower!).... The JRZs are so darned good. I'm not sure what to do. I'd have though that the double adjustables would have been more fun but not sure...





