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Author Topic:   switching oil -- do i need dipstick??
posted May 28, 2003 12:54 AM
i have a 406 that came in a modified when i bought it. built well, je domed pistons, eagle 6" h beam rods, cola crank, world heads, full roller motor, but it has no dipstick.
i have looked at other cars and have noticed the same thing.

is there a reason for that?

also i have heard that it is not good to switch oils. have ran kendall 50w in alcohol motor.
should i switch to synthetic?

thanks for any help

posted May 28, 2003 08:33 AM
A dip stick is not used normally due to the fact that the oil is changed every few night's , and your engine builder should tell you how many quart's your system will hold . So it is simply not needed . You can change to a an alky friendly synthetic like Royal Purple with no problem's . The whole "don't switch oil brand's " thing is an old wives tale .


Hendren Racing Engines
Rutherfordton , NC

posted May 28, 2003 12:25 PM
to me its personal prefrance...i run one to keep tabs on the oil. i run royal purple 10-40 and go about 8 nights on the oil before changing. i can tell if it changes color or when there may be gas/alky in the crankcase by using the dipstick. but if you dont one run thats dont NEED one.


posted May 28, 2003 01:31 PM
we havent run one either. as long as your engine doesnt leak or burn tons of oil and you change it regularly youll be fine. Or if your pan has a check plug then thats even better. We change oil about 6 nights and change filters every 2 then top off to the check plug and run it 2 more weeks.

rico 08
posted May 28, 2003 03:27 PM
I like to run one,the engine doesn't know what type oil it has in it.

posted May 28, 2003 05:49 PM
I once had a valve cover gasket (brand new cork)come apart during hot laps and lost a bunch of oil. Without a dipstick I wouldn't known how much oil to replace.

I run a dipstick tube with a rubber plug over the end. I make my own "full" mark on the dipstick and keep it in the tool box. 99% of time I never need it but I was glad I had it once.

posted May 28, 2003 06:08 PM
We like to monitor the oil level but found the conventional SBC dipsticks were loose and let too much dirt in. Our solution is we now tap the dipstick hole with a 1/4" NPT tap and ***** in a 4" nipple. We make our own dipstick with a 1/4" cap by welding a rod onto it. It seals good and you just need a wrench to remove. This works well for us and we now do it to all our motors. Ask 10 racers and you'll get 10 different answers! Go with what you're comfortable with.

posted May 29, 2003 12:48 AM
thanks everyone for your help, it is greatly appreciated


racer 4
posted May 29, 2003 12:56 AM
I use to run a dipstick till one day I went to check the oil and the crank had cut the dam thing off.... had to use a magnet to pull all of the bits outta the pan...... wasn;t fun

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