Ok went to put the hot thermo back in for winter so the car takes less than 20 min to warm up. Should take 1/2 hour but snapped off a bolt! Is it ok to just drill this out or will metal crap get down in the water jackets?? Thanks for any help/advice...

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89 Iroc-Z LB9 305 TPI auto 2.73 posi:
3" Dynomax "cat" back,K&N filters, TB bypass, 3" pipe in place of cat, cleaned and flow-matched injectors, 170' thermo, mild ignition mods, synthetic oil, kicker sound system, soon to have 3.73 posi...

 

I would drill it. (and have in the past. )

The metal shavings will just settle in the bottom of the block. (have you ever pulled a block drain and seen the mud that comes out of there?? )

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ASE Mechanic/Machinist/Smog Tech

1999 NBM Trans Am
1986 Chevy 3/4 ton pick up
1981 corvette
1995 Kawi ZX6R

GO #3

[This message has been edited by Engineboy (edited December 07, 2000).]

 

Thanks engineboy! You wouldn't happen to have any tips for this would you? I have about a 1/8" hole down the center of the bolt...not sure whether to use bigger sizes since i'd have to remove the plenum to get them straight...i also have a carbide dremel bit...hmmmm

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89 Iroc-Z LB9 305 TPI auto 2.73 posi:
3" Dynomax "cat" back,K&N filters, TB bypass, 3" pipe in place of cat, cleaned and flow-matched injectors, 170' thermo, mild ignition mods, synthetic oil, kicker sound system, soon to have 3.73 posi...

 

I wonder how many people have done this?
add myself to the list

 

Well this whole thing is rapidly turning into a nightmare...I think I'll try easyout in the morning (well, in a few hours) and/or left handed drill bits...otherwise this is a great excuse to buy that wide mouth intake manifold for myself for Xmas!! What a pain.

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89 Iroc-Z LB9 305 TPI auto 2.73 posi:
3" Dynomax "cat" back,K&N filters, TB bypass, 3" pipe in place of cat, cleaned and flow-matched injectors, 170' thermo, mild ignition mods, synthetic oil, kicker sound system, soon to have 3.73 posi...

 

Well I'm off to buy the easyout...I'll either be back to proclaim victory or beg for more advice so then you all can help/laugh at me...

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89 Iroc-Z LB9 305 TPI auto 2.73 posi:
3" Dynomax "cat" back,K&N filters, TB bypass, 3" pipe in place of cat, cleaned and flow-matched injectors, 170' thermo, mild ignition mods, synthetic oil, kicker sound system, soon to have 3.73 posi...

 

Do you have access to a torch??

If so just heat the area around the bolt before you use the easy-out and spray WD-40 on the bolt to cool it. This usually breaks the bolt loose from the aluminum.

If nothing works and you can't get it out,....Enjoy your new intake!!

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ASE Mechanic/Machinist/Smog Tech

1999 NBM Trans Am
1986 Chevy 3/4 ton pick up
1981 corvette
1995 Kawi ZX6R

GO #3