Filled block - Knock Sensor useful?
03-12-2011, 09:37 AM
#3
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I took it out when I put my 355 in because the block had that port plugged shut
(I assume the previous owner stripped it and decided to cap it).
When I built the 383 using my original block (filled),
I didn't really think about putting it back in because I had that wire trimmed off the harness.
Now that I have the LS1 PCM (and a new harness) in there, I was debating the value of having it at all.
It sounds like popular opinion on the board is that they're worthless in a built motor (filled or not).
To be honest, they've caused me more trouble over the years than anything else anyhow.
(I assume the previous owner stripped it and decided to cap it).
When I built the 383 using my original block (filled),
I didn't really think about putting it back in because I had that wire trimmed off the harness.
Now that I have the LS1 PCM (and a new harness) in there, I was debating the value of having it at all.
It sounds like popular opinion on the board is that they're worthless in a built motor (filled or not).
To be honest, they've caused me more trouble over the years than anything else anyhow.
Last edited by James Montigny; 03-12-2011 at 09:43 AM.
03-12-2011, 10:17 AM
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The water jacket in the bottom of the block can be filled with a
substance which becomes hard once it cures. Some people call it "cement"
but it's really more of a cement-based metallic paste. I used a product called hardblok.
The goal is basically to reinforce the block for situations where you either
have a lot of pressure or you've weakened the walls by overboring or clearancing.
http://www.hardblok.com/m/HardBlok_flyer.pdf
http://www.gessford.com/images/hardblok-01.gif
substance which becomes hard once it cures. Some people call it "cement"
but it's really more of a cement-based metallic paste. I used a product called hardblok.
The goal is basically to reinforce the block for situations where you either
have a lot of pressure or you've weakened the walls by overboring or clearancing.
http://www.hardblok.com/m/HardBlok_flyer.pdf
http://www.gessford.com/images/hardblok-01.gif
03-12-2011, 10:21 AM
#7
The water jacket in the bottom of the block can be filled with a
substance which becomes hard once it cures. Some people call it "cement"
but it's really more of a cement-based metallic paste. I used a product called hardblok.
The goal is basically to reinforce the block for situations where you either
have a lot of pressure or you've weakened the walls by overboring or clearancing.
http://www.hardblok.com/m/HardBlok_flyer.pdf
substance which becomes hard once it cures. Some people call it "cement"
but it's really more of a cement-based metallic paste. I used a product called hardblok.
The goal is basically to reinforce the block for situations where you either
have a lot of pressure or you've weakened the walls by overboring or clearancing.
http://www.hardblok.com/m/HardBlok_flyer.pdf
I'll have to research some more.
Will that make the block run hotter?
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03-12-2011, 10:31 AM
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heat from the engine, so it could cause you to run hotter. I didn't notice
much of a difference in my build. I run 50/50 in a stock radiator with a 160* tstat.
03-13-2011, 01:40 AM
#15
ls1 pcm will accept an lt1 KS so they're probably about the same. Aftermarket EFI setup and you could probably push the limits without being hampered by KR, but I dunno. Just don't run 87 in your motor 
it's been awhile since I've seen anything about your setup, looking forward to seeing your progress!
it's been awhile since I've seen anything about your setup, looking forward to seeing your progress! 