Tapping ls3 for knock sensors
Thread Starter
Teching In
Joined: Apr 2012
Posts: 9
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From: MKE, WISCONSIN
Tapping ls3 for knock sensors I'm in the process of doing an ls3 swap and have a few quick questions. I know I have to move the knock sensors to the sides and drill and tap holes...but how deep should I go and where should I drill?
Also the ls1 valve covers won't fit, is it best to by ls3 covers or is it safe to gut the ls1's.
Also the ls1 valve covers won't fit, is it best to by ls3 covers or is it safe to gut the ls1's.
TECH Enthusiast
Joined: May 2005
Posts: 689
Likes: 0
From: Perth, Australia
Drill the 2 existing 8mm threaded knock sensor bosses out to the tapping size for a 10mm thread. You only drill to the depth of the 10mm thread. They are blind holes.
I'm in the process of doing an ls3 swap and have a few quick questions. I know I have to move the knock sensors to the sides and drill and tap holes...but how deep should I go and where should I drill?
Also the ls1 valve covers won't fit, is it best to by ls3 covers or is it safe to gut the ls1's.
Also the ls1 valve covers won't fit, is it best to by ls3 covers or is it safe to gut the ls1's.
Just another option for you.
I've looked all over for a drill bit that size with no luck but I did find this one http://m.summitracing.com/parts/wmr-w8619. Would that work?
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it should since they are matching them both.
i was going to mention that when i went to get the set for the second time, i went to NAPA and the kit they sold me had a standard drill bit, x/32. i just don't remember the x value.
yeah, if they are offering both as a kit, you should be good to go.
i was going to mention that when i went to get the set for the second time, i went to NAPA and the kit they sold me had a standard drill bit, x/32. i just don't remember the x value.
yeah, if they are offering both as a kit, you should be good to go.
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It might be a nice tap and drill, But I would spend the extra 10-20$ over the cheap $6 summit drill and tap set, and get a real quality drill and tap. I nice drill and tap are almost priceless over using ones that are cheap and suck when you look at what your doing with it, and whats 5-$20 more whats your paying for. Its your time if it the hole dosn't drill nicem and the tap dosn't cut nice and clean, or gets stuck and breaks. Your doing this on a LS3 motor not a headlight bracket for your snow blower.
