Quote:
Originally Posted by efnfast
It's all over but the cryin' now. So far the only bad thing I've heard is the TB sticking open, and we don't know why. That's my story and I'm stickin' to it.
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I'm sure all will be fine. And if it's not you'll not likely make any connection to bypassing the TB. And for sure you'd not likely share any side effect. I probably wouldn't either.
Let me add some mostly totally irrelevant side notes and bulky text to support my position.
1. The plenum gaskets would not stick even with the coolant going to the TB if you
use 100% rubber gaskets.
2. If you know how to flush the coolant you wouldn't have any problems with clearing the TB of the
MASSIVE debris that occurs there. (there is a hatch for this)
3. Coolant filling will now be an iffy job of
lifting, tilting the car and shaking it so as to get air out that would have gone out as designed had you not bypassed the TB.
4. The next owner of the car will
hopefully study and understand the lift and tilt routine.
5. Now you'll have some
nice capped holes that look way better than stock (to some).
6. You can add some nice red paint to the plugs for extra
bling 
It'll look so cool for a year or two then... not so much.
7. You now have
empty passages in the plenum that can clog with dust and debris because they are not in the coolant path.
8. You'll
save $ on not having to buy replacement rubber hoses for the TB but that is irrelevant.
9. Did you know that many move the air temp sensor down to the intake filter area to avoid the heat at the metal of the plenum? Must be because during a heat soak condition the plenum gets too hot and effects the air temp reading?
Imagine how much hotter it will get now with bypassing the TB.
10. The lowering of weight by losing the TB line hardware is a bit offset by adding plugs.
11. Did you know
there is a plate at the top of the TB that can be used for cleaning the passages?
12. Actually bypassing the TB is not that big a deal on the overall. But making up a bunch of lines of text for bulk is fun. =D>
Here is an image of a stock LT5 completely intact and working.
This will become a
key factor in resale value now that the car is 24yrs old (on some). Mine was built in Sept 1989 !!
It's her
birthday this month.
