Break-in Oils
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Break-in Oils
I've just finished a 20 min. break-in at 2000 rpm using Joe Gibbs Break-In Oil. This is in a freshly rebuilt 429 by the way. It has a flat tappet cam with old-style rockers. What do you recommend for the next stage of oils? I do want an oil high in zddp, right?
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Freshman User
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My engine builder recommended Joe Gibbs Hotrod oil, Mobil 1 15w50, and/or Amsoil 20w50. I'd take his word any day. However, I think these are synthetic (not to mention they start at $8.50 a qrt.), which, I'd rather use mineral based. Anyway, I think I'm going to look into that Valvoline oil (thanks POR).
pedant
Joined: Jan 2008
Posts: 23,576
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From: EXTREME southwest CT
Kendall GT-1 (the green oil) is now made by Brad Penn. http://www.bradpennracing.com/
Good stuff for break in's.
You might look at Shell Rotella T -after break in- as well.
It's marketed as a diesel oil, but is higher in ZDDP than Spark Ignition (SI) rated oils.
I saw the 15W40 in Walmart last week for under $12 a gallon.
FWIW, I don't know what kind of spring pressure you're running and have no experience with flat tappets in a 460, but it works well in my truck, bikes & 347" solid roller.
Good stuff for break in's.
You might look at Shell Rotella T -after break in- as well.
It's marketed as a diesel oil, but is higher in ZDDP than Spark Ignition (SI) rated oils.
I saw the 15W40 in Walmart last week for under $12 a gallon.
FWIW, I don't know what kind of spring pressure you're running and have no experience with flat tappets in a 460, but it works well in my truck, bikes & 347" solid roller.
More Turbo
Joined: Nov 2007
Posts: 703
Likes: 3
From: Western Washington
I use Brad Penn (The Green Oil) for break-in for it's high level of zddp. I continue to run the same oil in 15W40 in my big block 402 since it provides me with good oil pressure. Brad Penn oil was recomended by a local race shop in my area.
OJ
OJ
