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Rockers vs Headers ?

Was there an issue with some cars? I remember seeing some posts about people needing to dent the firewall and bend the trans dipstick? I just ordered a set for my 01 impala. Hope they go in without too much grief.
 


You should be fine, I actually found the Imp SS we put them on when they first came out years ago had a little more wiggle room for whatever reason in the back.

As for the front, you'll have to give your AC lines some "love" to keep the front header from hitting. Not a big deal.

I would however, take it to an exhaust shop and have them cut out the low lying downpipe and make a straight bend after the V-Band flange. They're not bad headers at all for the money though. I had a set and after I put solid mounts in the car, I deleted the flex and never had any issues from that point on.
 
chrsmi1 said:
Do the speed daddy headers. You have an 05? On my 04 the fit wasn't that bad. And it took my knock from like 5+ stock, to 0-1. When I added a 3.5 it went back to about 2-3, but the power increase was worth it.

Do the headers then down the line, do your lim (if you need it) and throw some VC gaskets and rockers/springs on it.
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Hey what kind of gains did you get running the 3.5? Im thinking about dropping to that or maybe a 3.4. My engine runs clean without knock
 
It was a good bit quicker than stock. Butt dyno loved it. Boost wise I probably gained 1 psi over stock. That's cause I lost about 2 psi with the headers though. Totally worth it. On a Gen 5, with only headers and a tune I wouldn't go lower than a 3.5. I still got a little knock on it at that level btw.
 
chrsmi1 said:
It was a good bit quicker than stock. Butt dyno loved it. Boost wise I probably gained 1 psi over stock. That's cause I lost about 2 psi with the headers though. Totally worth it. On a Gen 5, with only headers and a tune I wouldn't go lower than a 3.5. I still got a little knock on it at that level btw.
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Is there any risk to dropping to a 3.0 on a Gen 5?
 


NAVY GUY said:
I wasn't being sarcastic. I'm new to the mod game and don't know what works best on what so I ask.
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You put a 3.0 pulley on even a stockish motor and it'll last a week if you're lucky before it blows up. Read this.

http://www.grandprixforums.net/threads/17482-Safely-Modding-Your-3800-Powered-Car!!

Then do us a favor and post a thread in the intro section. If you have any pics of your car feel free to post them and tell us about yourself and your plans for your ride.

Sorry about the misunderstanding. Wasn't trying to be a d1ck.
 
chrsmi1 said:
You put a 3.0 pulley on even a stockish motor and it'll last a week if you're lucky before it blows up. Read this.

http://www.grandprixforums.net/threads/17482-Safely-Modding-Your-3800-Powered-Car!!

Then do us a favor and post a thread in the intro section. If you have any pics of your car feel free to post them and tell us about yourself and your plans for your ride.

Sorry about the misunderstanding. Wasn't trying to be a d1ck.
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No worries man, sorry it came off bad. Thanks for the read!
 
I typed it up for a reason.

There to help out when needed. Especially in the sense of new platform help. It's a little out-dated, needs some revamping. But for the most part, it gets the job done.
 


Just a update, I got my ZZP Headers/3" DP, Yella Terra 1:9 rockers with LS6 springs, and 3.5 ZZP Pulley setup in the mail last week. Hopefully getting all installed in the next 1-2 weeks. Ohhhh, and HPTuners so I can tune it again, looking forward to see how this setup goes.
 
well thats a nice little shopping spree you went on there fella ... did you get a pulley puller ?
 
Hope you got an mps, you'll probably be wanting to go smaller on the pulley once you get the tune dialed in.
 
EHBGoober said:
well thats a nice little shopping spree you went on there fella ... did you get a pulley puller ?
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Yea, 3 years of VA Backpay finally came threw. . . I ordered a 3.5" MPS and ZZP Pulley puller . . . Figured that would be a good place to start with my tune and leave some cushion area to add timing if possible.
 
Sweet, I remember I got a check a couple years after I got out, army finally paid me for the year I was stop lossed. Used it to get my ar10 and a few other things, random checks in the mail ftw.
 


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