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#1
09-08-2008, 02:34 PM
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Dumb Question #37
What are you supposed to use to get out the square drive plugs in the back of the block and at the distributor oil pressure hole? They look like about 5/16". 1/4" = too small; 3/8" = too big. Never had a 5/16" square drive!
 Don't want to FUBAR the plugs. What's the best thing to use? Stewart
__________________
1976 TA, nose converted to 1970 style, 406, ported #13 Heads, '70 iron intake without crossovers, Q-Jet - Cliff style, RARE OS manifolds, Pypes duals w/crossflow, UD 230/238 custom HR 4/7 swap cam with solid roller lifters  , Hydro-Boost 4-wheel discs, 4 Speed, 3.23 posi.“Nothing in life is so exhilarating as to be shot at without result.” - Winston Churchill |
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#2
09-08-2008, 03:12 PM
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I've heard of guys grinding down a cheapie 3/8 extension to fit as tight as possible.
I've never had to pull plugs out yet, I would make sure the fit is as tight as possible and the cheap tool is strong enugh not to break off in the plug. Maybee some one has a source for the tool , a Plumbing valve seat tool might be the right size, Use plenty of penetrating ouil on the plugs a few days before trying to get them out, squirt them every day and let sit. Any engine builders have any better tricks than this?
__________________
Jason Rackawack 1975 455 Trans Am - 1975 Firebird 400 
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#3
09-08-2008, 03:27 PM
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Find a tool vendor snap-on, matco, tools are us, whatever but they do make square drive sockets (just like torx or hex drives) in different sizes.
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#4
09-08-2008, 03:40 PM
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Find some 5/16" key material or square stock at Home Depot for X $ per inch. Them just use a vise-grip or 5/16" open end wrench to turn. Make sure to soak w/ penetrate oil and beware if using non-key material as the steel you will get at HD is probably pretty soft, but it should work.
__________________
The joker in the deck keeps sending me his card. Smiling friendly, he takes me in. Then breaks my back in a game I can't win. |
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#5
09-08-2008, 04:20 PM
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Thanx guys.
I hadn't thought about key stock. No problem to get that around this area. I'll give it a go. Stewart
__________________
1976 TA, nose converted to 1970 style, 406, ported #13 Heads, '70 iron intake without crossovers, Q-Jet - Cliff style, RARE OS manifolds, Pypes duals w/crossflow, UD 230/238 custom HR 4/7 swap cam with solid roller lifters , Hydro-Boost 4-wheel discs, 4 Speed, 3.23 posi.“Nothing in life is so exhilarating as to be shot at without result.” - Winston Churchill |
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#6
09-08-2008, 04:41 PM
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I used the blunt end of a cold chisel and a crescent wrench.
__________________
1967 Firebird Convertible Factory 400/4spd Now 462/5spd Fuel Injected http://1967firebird.atwebpages.com/ |
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#7
09-08-2008, 06:06 PM
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Quote:
 Thanx Hammered. Stewart
__________________
1976 TA, nose converted to 1970 style, 406, ported #13 Heads, '70 iron intake without crossovers, Q-Jet - Cliff style, RARE OS manifolds, Pypes duals w/crossflow, UD 230/238 custom HR 4/7 swap cam with solid roller lifters , Hydro-Boost 4-wheel discs, 4 Speed, 3.23 posi.“Nothing in life is so exhilarating as to be shot at without result.” - Winston Churchill |
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#8
09-08-2008, 07:16 PM
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I just got the square drive sockets sleepy mentioned,forget what brand they are,likely mac or matco.
Those are 1/2" drive sockets,so I can use my long snap-on breaker bar with them too. But even with those sorta dedicated tools,there can be some tough removal jobs. 
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#9
09-08-2008, 07:26 PM
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I grind down the end of a grade 8 bolt (very high tensile, with 5 dashes on the head), so it is very snug and has to be tapped into the plug. Then a 1/2" socket and breaker bar.
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#10
09-08-2008, 07:42 PM
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If you are trying with a home made tool I would go with the ground down socket method. I have one in my tool box just for that purpose.
If you want to try square stock you better make sure it's hardened our you will turn it into a corkscrew. HTH
__________________
North Dakotas fastest REAL GTO 10.10 @ 131 MPH in the 1/4 Hoping to get it back together some year. www.jandjrepairandrestoration |
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#11
09-09-2008, 02:55 AM
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Quote:
__________________
Anybody else on this planet campaign a M/T hemi Pontiac for eleven seasons? ... or has built a record breaking DOHC hemi four cylinder Pontiac? ... or has driven a couple laps of Nuerburgring with Tri-Power Pontiac power?(back in 1967) |
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