Header install technique

[ManBearPig]

I'm about to pull the trigger on a set of longtubes….most likely the Stainless Power offroad factory connect system. My question for those of you who have put headers on these cars is install technique. I know a local guy (who is also a member here but doesn’t log on very often) who put a set of SW headers on his car and did not loosen or remove the motor mounts. He says there is no need to. I trust him, but I'm curious if he just got lucky or if this step really isn’t necessary? I have put several sets of headers on LS1 F-bodies, but I have to imagine that’s a much simpler job than this is going to be. So for you guys have that have installed SP/SW headers (or any other longtubes for that matter) I have a few questions

-Did you loosen or remove the motor mounts to get the headers in?
-Did you run into any clearance issues other than the known AC line bracket?
-Once the headers are on, did you have to shift the engine at all to gain clearance between the frame rails or any other part of the car?
-I have Steeda jacking rails. Would it be easier to get all 4 wheels off the ground to do this? Or should I just lift the front? How high does the car need to be?
-Is there any reason to spend an extra $100 on header bolts, or can I use the ones that come with the headers? Can I reuse 1-2 studs to help line up/hang the headers as I'm bolting them on?
-Do you use the supplied silicone, or just put the flanges on dry?
-Any other tips/tricks?

Thanks for the insight

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[mustang_guy]

Pulling the motor is the easiest. Did a few buddies installs on s197 yotes and s550. Took me about 3.5 hrs.

 

[Grimace427]

You can leave the motor mounts but their brackets need to come out for sure. Also unbolting the a/c compressor makes life easier when it comes time to remove the front upper passenger side header bolt.



I used CJPP's install video for the last few header installs I've done.


[ame]

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