He meant that the factory seals were on the factory manifolds were leaking .
At 08:31 AM 8/18/1998 -0500, you wrote:
>I hope to install my JBAs this weekend and have been saving all of the
>install notes everyone posts. Please explain the comment below, "No
>leaks... at 3500 miles, they were leaking. " Does this mean that the
>"ball and socket" -like connection to the Y pipe started to leak 3500
>miles after you put the headers on and the silicone stopped it or are
>they leaking now or were they leaking before the headers? I can't imagine
>that you've already put 3500 miles on the engine since the install, but,
>maybe. As you can tell, I'm confused and would like to prevent any leaks
>by paying close attention to what y'all are doing.
>TIA
>Richard in SA
>
>On Mon, 17 Aug 1998 15:45:07 -0700 "Bridges, Bruce"
><bbridges@alarismed.com> writes:
>>Bob,
>>No leaks, but I used a light coating of permatex high temp copper
>>silicone on the "ballend" dump flanges and copper coat on the manifold
>>flange gaskets. Its actually quieter than the stock manifolds, but at
>>3500 miles, they were leaking!
>>BKB
>>
>>-----Original Message-----
>>From: Bob Mankin [mailto:bob@cadpros.com]
>>Sent: Monday, August 17, 1998 3:04 PM
>>To: dakota-truck@buffnet.net
>>Subject: Re:DML:R/T JBA header install
>>
>>
>>Bridges, Bruce wrote:
>>>
>>> Hey DML,
>>> Got my JBAs on Thursday (CA delivery) and installed on Saturday.
>>The
>>> install took me about 4 hours (2 beers) and was a piece of cake!
>>The
>>> header quality was good with some popcorn and a little burr on the
>>> collector to flange joint that I knocked off with a file. All other
>>> work looked about like my Hooker super comps only with more material
>>and
>>> thicker welds. I also found that my stock 3500 mile old factory
>>> manifolds were leaking at the center ports !! (No gaskets is NOT a
>>good
>>> thing in my mind) Now that the headers are on my engine compartment
>>is
>>> quieter!! The left side was the easiest header instll I have ever
>>done,
>>> with everything accessible. The right side requires removing the
>>airbox
>>> (on the 5.9 l R/T). The only problem I encountered was on the right
>>> side. The rearmost collector bolt ends up directly behind the O2
>>sensor
>>> making it impossible to install a socket on the nut. Im sure this
>>is
>>a
>>> regular Dak with one sensor at the Y vs. R/T with sensors at the
>>flange
>>> difference. If the flange was rotated 10 degrees either way it
>>would
>>be
>>> easy! As it is I used a tiny wrench and a lot of patience to
>>tighten
>>> it. Since I dont have many mles on the truck I reused the stock
>>flange
>>> bolts and their handy anti rotation keepers (hot tip for loner
>>> installs). Or you could remove the O2 sensor and use a socket (the
>>best
>>> way). I left the center studs in place contrary to the directions
>>which
>>> made the install of the headers a little tough (added 5 minutes to
>>the
>>> job) but kept it "more stock" for going back if I ever want to.
>>Why,
>>I
>>> have no idea right now... Watch out for the sharp heat shields on
>>the
>>> right side!!! Ouch!! so far my butt dyno says : Definite
>>driveability
>>> improvements! Still feeling it out with a track session next
>>weekend!
>>> All in all I love the headers, the install was as easy as any, they
>>fit
>>> perfect with no mods at all required with lots of clearance to all
>>heat
>>> sensitive things AND they are quieter instead of louder. Take a
>>good
>>> look at your stock manifolds. They are Logs of the first degree!
>>good
>>> for low end torque only! Now its off to JBA for a good look at the
>>head
>>> pipes. After spending so much time under the truck Im not sure how
>>much
>>> more improvement Im gonna get out of head pipes, but well see what
>>they
>>> say but Ive got some even more radicle "ideas"...
>>> Bruce K Bridges
>>> 98 R/T CC JETII, RABB, JBA headers.
>>
>>Bruce,
>>
>>Thanks for the post and keep us updated on what you end up doing for a
>>Y
>>pipe.
>>
>>My JBAs arrived today. Only got a quick look before I had to come back
>>to the office. I'll probably spend 15-20 minutes cleaning them up with
>>a
>>Dremel, but overall I'm pleased with the workmanship. I know what I'm
>>doing Saturday morning, that's for sure<grin>. Did you have any
>>trouble
>>with leaks after the install? The flanges are clean and flat, I just
>>worry about good seal where it connects to the Y pipe.
>>
>>Now to get some dyno numbers done this week before the install.
>>
>>Bob
>>
>
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