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any advice for a nitros motor

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Old 02-20-2007, 09:21 PM
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im going to be puting my repu motor together soon and i was thinking about putting it on the bottle latter on and i was wondering if any one had some advice for me befor i asemble the motor.

here is what i got

gsl-se rotors, and housings

s5 6pt irons

rotary avation ra classic apex seals

atkins dual 3mm apex seal springs.



here is a pic of the seconday port
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Old 02-20-2007, 09:48 PM
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would have stayed with 2mm seals man, they seal better and are way more forgiving on the rotor housings. 3mm seals eat rotor housings man. this is a 12a housing with 3mm seals, both rotor housings look like this and no the seals are not broken.
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Old 02-21-2007, 02:09 PM
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gls-se rotor come from mazda with 3mm, and those are the only good useable rotors i have right now.
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Old 02-22-2007, 12:02 PM
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solid 3mm corner seals, 3rd gen. corner seal springs.. and when ever you start using and tunning nitrous, start with the lowest hp available. I would suggest a 50 shot. and work your way up carefully. Nitrous is non forgivin....



I forgot to add. replace your rear oil pressure regulator with a 3rd gen 110 to 125psi. and the timing cover oil pressure release spring with a 3rd gen. also.
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Old 02-22-2007, 04:02 PM
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cool, i forgot to add that i alredy have solid corner buttons, fd coroner button springs, race side seal springs (ones with white on them), 12A oil control rings springs.



as far as oil pressure regulators, could i get away with just shiming them? or is it not a good idea to shim, just to let everyone know im on a fairly tight budght for this build because the truck requires so much stuff at this time because it has not ran since 1986.
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Old 03-07-2007, 12:40 AM
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You can't sacrifice quality for low price. It will work better if you get a new one.



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Old 03-21-2007, 02:23 PM
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you can hit the stock oil psi reg with a hammer and flaten it... it will get your oil psi up to 90+ depending on how much you flaten it...
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Old 03-21-2007, 03:14 PM
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Originally Posted by 81gsl12a' post='864660' date='Mar 21 2007, 02:23 PM

you can hit the stock oil psi reg with a hammer and flaten it... it will get your oil psi up to 90+ depending on how much you flaten it...


Or you can use a press.
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Old 03-21-2007, 03:15 PM
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is their any visual way of telling the differance between the serious as far as the regulator, we have a box of used one in the shop but i dont know how to tell the differance between them
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