LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Throttle body bypass please help!

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Old 05-03-2013, 04:10 PM
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Default Throttle body bypass please help!

Is it possible to do the free mod. Throttle body bypass with a bbk 58mm if so can someone tell me how to do it..??
Old 05-03-2013, 05:53 PM
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Depends on the year model. My 96z was super easy just disconnect the water line that goes from the radiator to the TB and place it on the steam pipe line done deal I think I cut a little off the hose aswell. I believe 95-97 are the easiest to do whereas the previous years require a new 3/8 hose for under $7.00
Old 05-03-2013, 06:19 PM
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Originally Posted by 96lt1m6
Depends on the year model. My 96z was super easy just disconnect the water line that goes from the radiator to the TB and place it on the steam pipe line done deal I think I cut a little off the hose aswell. I believe 95-97 are the easiest to do whereas the previous years require a new 3/8 hose for under $7.00
Mine is a 93 I just basically disconnect the line under the drivers side and disconnect the line that goes to the vale cover and then Connect the 2 together right..???
Old 05-03-2013, 09:33 PM
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Line that goes to the valve cover? Stop right there! Your gonna feed coolant into your crankcase through the valve cover?

What you do is disconnect both the coolant hoses going into the bottom plate of the TB and join them together with a hose union (barb) and clamps. Couldn't be simpler.

Old 05-03-2013, 09:35 PM
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Woah!!! I pray he reads your post before he does that. It connects to the hose that runs to the back of your heads. NOT the valve cover. If needed lmk and I can take pic of mine for you.
Old 05-03-2013, 10:50 PM
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Originally Posted by lt1_2buku
Woah!!! I pray he reads your post before he does that. It connects to the hose that runs to the back of your heads. NOT the valve cover. If needed lmk and I can take pic of mine for you.
Ya thanks guys I didn't do it yet thank god I couldn't find another line on the left side so I asked first I was a little confused about that and thinking how it would work... So there's to lines on Each side of the tb at the bottom... I couldn't find the one on the left only the one going to the valve cover can u show me some pictures of this being done..?? Cause this is confusing me

Last edited by ManMuchwano93z28; 05-03-2013 at 10:56 PM.
Old 05-03-2013, 11:10 PM
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I will take some in the morning and send them to you. PM me your cell if youd like and I can just text them to you.
Old 05-03-2013, 11:25 PM
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Originally Posted by lt1_2buku
I will take some in the morning and send them to you. PM me your cell if youd like and I can just text them to you.
I just sent it in a pm
Old 05-04-2013, 06:30 AM
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get someone to weld the hood shut to protect the car from you.
Old 05-04-2013, 01:25 PM
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Video sent. OP not everyone was popped out the cooter with the knowledge of where/why the coolant passages are routed the way they are. I know I wasn't. The only way to learn is reading, twisting wrenches, and asking questions.
Old 05-04-2013, 02:32 PM
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Originally Posted by lt1_2buku
video sent. Op not everyone was popped out the cooter with the knowledge of where/why the coolant passages are routed the way they are. I know i wasn't. The only way to learn is reading, twisting wrenches, and asking questions.
agreed 100%
Old 05-04-2013, 11:43 PM
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You look for a coolant line going into one side of the TB and another going out the other side. It was already noted that they are on the bottom. Picture even posted. You take the two hoses off the TB and join them together (hence the term 'TB bypass'). I can't understand the confusion.
Old 05-05-2013, 01:37 AM
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I did it now.. I didn't see the one on the passenger side. Thanks for helping/making fun of me guys lol is it a must to cap the tb..??
Old 05-05-2013, 07:22 AM
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No, because now you have nothing going through there? Not a must, but a lot of people do it.
Old 05-05-2013, 09:13 PM
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Originally Posted by shbox
Line that goes to the valve cover? Stop right there! Your gonna feed coolant into your crankcase through the valve cover?

What you do is disconnect both the coolant hoses going into the bottom plate of the TB and join them together with a hose union (barb) and clamps. Couldn't be simpler.

Best picture I've seen regarding how to do this mod. Why can't I find it on your website?
Old 05-06-2013, 11:51 AM
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Originally Posted by 96capricemgr
get someone to weld the hood shut to protect the car from you.
Old 05-06-2013, 01:53 PM
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Originally Posted by wrd1972
Same thing could've saved you a whole lot of time and trouble before your valve float issues, eh?
Old 05-06-2013, 04:04 PM
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Originally Posted by DisasterFormula
Best picture I've seen regarding how to do this mod. Why can't I find it on your website?
Because it did not come from my website. I found it with a Google image search.
Old 05-06-2013, 04:09 PM
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Originally Posted by shbox
Because it did not come from my website. I found it with a Google image search.
Sounds like an issue that needs to be resolved!
Old 05-06-2013, 08:12 PM
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Originally Posted by SS RRR
Same thing could've saved you a whole lot of time and trouble before your valve float issues, eh?
No I dont agree Richard. I have all of the skills, tools and mechanical knowledge to properly do anything required on my vehicle. I got burned by not having the experience of spec'n my parts because I am not a racer and did not have significant high performance knowledge. But nice try.


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