402 knock sensor question
402 knock sensor question My builder called me today and wanted to know what to do with the knock sensor on the LS2 402 when swapping into an F-body with some LS1 parts. I believe I recall hearing somewhere that you just keep them outside of the cover. Is that it? If not, what does he do with them? I don't think he has run into any other problems but if he does I'll post them up here. Thanks for the advice!
Mitchell
Mitchell
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Originally Posted by SVT THIS
My builder called me today and wanted to know what to do with the knock sensor on the LS2 402 when swapping into an F-body with some LS1 parts. I believe I recall hearing somewhere that you just keep them outside of the cover. Is that it? If not, what does he do with them? I don't think he has run into any other problems but if he does I'll post them up here. Thanks for the advice!
Mitchell
Mitchell
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Joined: Mar 2003
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Originally Posted by WKMCD
There is an unused boss on each side of the block. Tap that and screw them in.
I didn't have to tap anything on my LS2 block. On the passenger side there is a unused threaded hole close to the dipstick, just screw the knock sensor in. There is also a threaded hole in about the same location on the driver side also. Then all you need to get is a harness extension to hook them up.
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Originally Posted by speedracer5532
I didn't have to tap anything on my LS2 block. On the passenger side there is a unused threaded hole close to the dipstick, just screw the knock sensor in. There is also a threaded hole in about the same location on the driver side also. Then all you need to get is a harness extension to hook them up.
You can put the knock sensors in different locations, depending on clearance issues. The holes at the bottom of the block along the pan rail, if the headers dont interfere. Theres also holes in the ends of the cyl heads that they fit, but the back one/pass. side is in the way in a fbody. You can also use the undrilled bosses as stated earlier. Theres also a hole just behind the AC compressor that will work.
So lots of options. You'll need a harness from one of the vendors. Several of them have them. Also will need the LS1 timing cover/timing chain and cam sensor. Also need a harness for that.
If you are using a SLP timing chain set up, and oil pump, you will have interference issues. Theres some machine work that has to be done. Anybody want the low down on that PM me and I'll 'splain.
Hope this helps. Thats free info acquired the hard way!!
So lots of options. You'll need a harness from one of the vendors. Several of them have them. Also will need the LS1 timing cover/timing chain and cam sensor. Also need a harness for that.
If you are using a SLP timing chain set up, and oil pump, you will have interference issues. Theres some machine work that has to be done. Anybody want the low down on that PM me and I'll 'splain.
Hope this helps. Thats free info acquired the hard way!!
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Thanks guys, I just gave the guy at the shop SDPC's phone number. He had several questions about the swap and I assumed it'd be faster to have him call them than have me post 5 or 6 different questions. I want this thing running damn it!
edcmat-l1, thanks for all the help you've been in this post, my pms, and other posts!
edcmat-l1, thanks for all the help you've been in this post, my pms, and other posts!
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