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Brad Penn works,Will break my 351w(410 ci stroker) on rotella 10w30 (rec from builder). Mine is full roller through. Going in a 69 Mach1. Had a 78 t-bird town landau in high school(late 80's) with a 429 cobrajet out of a 1970 Torino. Would swap 3rd members for highway running and screwing...

T-6 is very good. I'm going to run either Schaeffers or Amsoil. Trying to decide between the 2. Was more concerned about running the Schaeffers 5w50 in summer and then switching to Amsoil 0w40 in the winter. Thinking that using 1 brand of oil was better(ams 5w50 summer/ams 0w40 winter). Maybe...

Ready to change oil in my 570 ranger.Have Schaeffers 5w50 Racing 9000 series ($7.50) or do I sell it and use the new Amsoil 5w50 UTV for $9.00 per quart. Not sure if Ams is a better product? Not worried about the little difference in price. Was thinking maybe better to use the Amsoil(5w50) ,so I...

Talking to a rep from schaeffers,the high zinc/phos in their 5w50 will not be an issue. Must have other additives that prevent the corrosion.

My new ranger 570 is almost done with the breakin period .I don't plan on buying Polaris oil .Looking at schaeffers and reline 5w50(which is the spec weight).I have a jug of mobil1 tdt 5w40,but may use it in something else. Cost really isn't a factor being it gets changed 1 time a year , so...

Originally Posted By: A_Harman Is there a NexGen racing oil in the future? I know the head mechanic on one of the Roush cup cars and he told me(June Michigan race) they were using nexgen.

Originally Posted By: volk06 Originally Posted By: TheBig2003 AMSOIL 10W30 would be your best bet, pound for pound, dollar for dollar. Nice clearances and what sounds like a solid build. Congrats! Negative, Rotella T5 10w30 would be his best bet for a 10w30. Rotella t 10w30 conventional is...

Originally Posted By: OVERKILL M1 0w-40 is an excellent choice for this engine and is my go-to oil for any Windsor. Stock volume oil pump? Standard volume melling m83.Just looked at the build sheet,main bearing clearance is actually .0026-.0028.Rods are .0021-.0022. Looking for the best oil...

Built a ford 410 windsor stroker for my 1969 mach1 ,billet roller cam,.0027-.0029 clearance mains(3.0" mains),.0021-.0022 rods(2.1 rod journal).Engine builder says to use 10w30 for break in-flush, 2 quick oil and filter(w/magnet)changes about a hour each.Then run what ever 10w30 oil I want. Was...

Built a similar engine for my 1969 mach1(410 windsor) billet roller,.0027-.0029 mains(3.0" mains),.0021-.0022 rods(2.1 rod journal).Engine builder says to use 10w30 for break in-flush, 2 quick oil and filter(w/magnet)changes about a hour each.Then run what ever 10w30 oil I want. Was wondering if...