zzp header/dp to corsa exhaust problem

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Dec 28, 2007 | 02:34 PM

#151

SC07

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From: Michigan

anyone?

Dec 28, 2007 | 09:07 PM

#152

D4u2s0t

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From: North Jersey

Quote:

Originally Posted by SC07

sounds nice man
i love mine with the magnaflow
but i had a problem last night...that very top right bolt on the header (if you would look at it from the back). was a bitch to get in..like the head of the bolt rubs on the primary and i cant get it tightened all the way down.
the back of the bolt is about 1mm from the flange of the header but it wont go anymore....i think my friend cross threaded the whole stud (whole thing came out.)
could i have fucked up my stud or the block?
i cant get it in or out any further..will it leak?

thanks guys, im really worried

had the same exact problem, i got it in with a crescent wrench and a shitload of patience. me and my brother took turns twisting. took about an hour to get that one bolt in.

Dec 28, 2007 | 09:53 PM

#153

SC07

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From: Michigan

yeah its getting so bad i may be stripping that one bolt... did yours rub and go in REALLY hard?
if i cant quittteeee get it down all the way do you think the flange will leak/

Dec 29, 2007 | 10:47 AM

#154

D4u2s0t

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From: North Jersey

yep, same thing. we had to use a small wrench and angle it outwards, so we didn't have the best grip on it. but took our time and got it in. like i said it took about an hour to get that one nut on. you can always just check to see if it leaks, have someone start the car and give a quick rev while you're holding your hand around that area. better do it quick though because after 20 seconds of running it will probably be enough to burn your hand.

Dec 30, 2007 | 03:07 PM

#155

SC07

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From: Michigan

ok thanks, i tightened down the header to downpipe bolts and checked the connections for the second O2 sensor, and everything seems fine. there were some little kinks/cuts where the wires of the O2 sensor were bent up against the heat shield. again the DTC was P0137

i hope its not that one bolt on the header flange leaking because i dont know if i can tighten it any more...

Dec 30, 2007 | 04:50 PM

#156

D4u2s0t

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From: North Jersey

Quote:

Originally Posted by SC07

i took a 15" screwdriver and just bent the heat shield all the way back to make room. try what i did with the small wrench. the wrench i got it with was only about 6" long. if i didn't post earler, after a bunch of small twists with the open end wrench i was finally able to get the socket on.

Jan 8, 2008 | 08:23 PM

#157

hubes

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Joined: 05-16-06

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From: NS, Canada

FYI a metric grade 8.8 bolt is the equivalent of a sae grade 5. the bolts zzp sent you are grade 9, much stronger. although the washers they send leave a lot to be desired.

Jan 8, 2008 | 08:46 PM

#158

ColeJJones

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From: Kaneohe, HI

... they are doing fine so far...

Jan 13, 2008 | 10:44 AM

#159

freakta

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From: milton ma

great writeup and great story. it sounds nice... now we need some dyno numbers and a few wot runs to show us what its all about

Mar 2, 2008 | 03:26 PM

#160

ColeJJones

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From: Kaneohe, HI

as some of you know i just bought the hahn. im going out here in a lil bit to do fly bys and record them so i can show you guys the difference between exhausts.