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Big Block Dip stick/tube education #228075 02/17/09 08:39 PM 02/17/09 08:39 PM
Joined: Jan 2006 Posts: 739 Va (for now) FY1TA & 65 Wedge OP mopar addict
FY1TA & 65 Wedge OP mopar addict Joined: Jan 2006 Posts: 739 Va (for now)	Are all dip sticks and tubes the same for big blocks? i.e. 440 I have an 1968 440 industrial block....and need a dip stick and tube. Will any big block set up work? Thanks Brian

Re: Big Block Dip stick/tube education [Re: FY1TA & 65 Wedge] #228076 02/17/09 08:56 PM 02/17/09 08:56 PM
Joined: Jan 2007 Posts: 7,664 IN A ahy master
ahy master A Joined: Jan 2007 Posts: 7,664 IN	As far as I know, yes. I've tried several and had the best results with the stock replacement style from Mancini. It worked fine with headers for me. As an added benefit this is the lowest cost approach. Good used would be even cheaper. I did have to sand down the end that inserts in the block to get it to fit. I also used a trick from MOPARTS to press it in - a 3/8 crows foot wrench on a long extension. Put the crows foot above the dimple in the tube and tap in from above.

Re: Big Block Dip stick/tube education [Re: ahy] #228077 02/17/09 10:59 PM 02/17/09 10:59 PM
Joined: Jan 2006 Posts: 739 Va (for now) FY1TA & 65 Wedge OP mopar addict
FY1TA & 65 Wedge OP mopar addict Joined: Jan 2006 Posts: 739 Va (for now)	THANKS....

Re: Big Block Dip stick/tube education [Re: FY1TA & 65 Wedge] #228078 02/18/09 04:50 PM 02/18/09 04:50 PM
Joined: Mar 2006 Posts: 9,894 MI, usa dvw master
dvw master Joined: Mar 2006 Posts: 9,894 MI, usa	The best way to fit them is drill the block hole slightly larger. Then seal the tube with RTV. You'll be a whole lot happier. You can do it even with the engine assembled. Just flush the pan with solvent. Doug

Re: Big Block Dip stick/tube education [Re: dvw] #228079 02/18/09 05:54 PM 02/18/09 05:54 PM
Joined: Jan 2003 Posts: 33,005 Grand Prairie,Texas stumpy I Win
stumpy I Win Joined: Jan 2003 Posts: 33,005 Grand Prairie,Texas	Quote: The best way to fit them is drill the block hole slightly larger. Then seal the tube with RTV. You'll be a whole lot happier. You can do it even with the engine assembled. Just flush the pan with solvent. Doug Bad idea. The block doesn't ever need to be drilled out to accept a dipstick tube. All that does is cause leaks from a loose tube.

Re: Big Block Dip stick/tube education [Re: dvw] #228080 02/18/09 07:47 PM 02/18/09 07:47 PM
Joined: Jan 2003 Posts: 6,444 Abilene, Texas F fastmark master
fastmark master F Joined: Jan 2003 Posts: 6,444 Abilene, Texas	Quote: The best way to fit them is drill the block hole slightly larger. Then seal the tube with RTV. You'll be a whole lot happier. You can do it even with the engine assembled. Just flush the pan with solvent. Doug I don't think this is a good idea. Then you have a block with a hole too large. I have installed lots of dipstick tubes and have never had any problem installing them. I would never drill and then wash cast iron shaving down in the oil pan.

Re: Big Block Dip stick/tube education [Re: fastmark] #228081 02/19/09 10:07 AM 02/19/09 10:07 AM
Joined: Dec 2006 Posts: 227 upstate NY 12839 T TMBOOTS enthusiast
TMBOOTS enthusiast T Joined: Dec 2006 Posts: 227 upstate NY 12839	Quote: Quote: The best way to fit them is drill the block hole slightly larger. Then seal the tube with RTV. You'll be a whole lot happier. You can do it even with the engine assembled. Just flush the pan with solvent. Doug I don't think this is a good idea. Then you have a block with a hole too large. I have installed lots of dipstick tubes and have never had any problem installing them. I would never drill and then wash cast iron shaving down in the oil pan. I would try putting the tube in the freezer for a half hour and it should install easier in to the warmer block.. Just a thought!!

Re: Big Block Dip stick/tube education [Re: stumpy] #228082 02/19/09 05:56 PM 02/19/09 05:56 PM
Joined: Mar 2006 Posts: 9,894 MI, usa dvw master
dvw master Joined: Mar 2006 Posts: 9,894 MI, usa	I have built every big or small block motor that way since 82. Not one has leaked. The shavings will rinse out. I didn't say drill the hole to 1/2".,just a slip fit. Many of the new GM factory dipsticks are slip fit. Yes,I work on the dark side. 27 years as a dealer tech. If it comes back I do it for free. Thats why I make sure its right the first time Doug Last edited by dvw; 02/19/09 06:00 PM.

Re: Big Block Dip stick/tube education [Re: dvw] #228083 02/19/09 06:25 PM 02/19/09 06:25 PM
Joined: Jan 2003 Posts: 33,005 Grand Prairie,Texas stumpy I Win
stumpy I Win Joined: Jan 2003 Posts: 33,005 Grand Prairie,Texas	Just because you have done it that long doesn't make it right by any means and if you had done that to my block you would be buying me another one. You never drill the block you sand the tube. I've been building motors since the 60s and never had to drill one ever.

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