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STP Pro Motor Oil??? #4432799
06/15/17 09:40 PM
06/15/17 09:40 PM
Joined: Mar 2003
Posts: 190
Glenolden Pa.
HammerDown Offline OP
HammerDown  Offline OP
Joined: Mar 2003
Posts: 190
Glenolden Pa.
Don't Tar & Feather me...just noticed my local Auto Zone was carrying it.
Does anyone know specs on this oil, good for older Flat Tappet Cams and Lifters?
Zinc PPM etc?
Been using Dino 20/50 Brad Penn or Valvoline VR1 Racing for my older Corvette but the prices per qt are getting crazy!

Last edited by HammerDown; 06/15/17 09:41 PM.
Re: STP Pro Motor Oil??? [Re: HammerDown] #4432810
06/15/17 10:02 PM
06/15/17 10:02 PM
Joined: Dec 2016
Posts: 6,241
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,241
Waco, TX
Have you considered a good 15W-40 HDEO?

That what I ran in my turbo 302 Mustang.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: STP Pro Motor Oil??? [Re: HammerDown] #4432835
06/15/17 10:36 PM
06/15/17 10:36 PM
Joined: Aug 2004
Posts: 4,637
Katy, Republic of Texas
blupupher Offline
blupupher  Offline
Joined: Aug 2004
Posts: 4,637
Katy, Republic of Texas
Is it API SN? If so, then it will have lower ZDDP than SM.


1994 Honda VT1100: Peak 15w-40/PSL/2500 mile OCI
2002 Ford F150: GTX HM 5w-20/EcoGard Syn/1yr OCI
2012 Scion xB: QSUD 0w-20/CQ Blue/5k OCI

Re: STP Pro Motor Oil??? [Re: HammerDown] #4433005
06/16/17 06:51 AM
06/16/17 06:51 AM
Joined: Mar 2004
Posts: 20,758
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 20,758
Upstate NY
I do not have high opinion of anything STP.

How often are you changing oil in a Corvette that you need to be concerned about the price of oil? Amsoil ZROD.

Your engine take 5 qts. My truck is 14. Feel bad for the cost of my oil changes.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: STP Pro Motor Oil??? [Re: HammerDown] #4433098
06/16/17 08:32 AM
06/16/17 08:32 AM
Joined: Dec 2009
Posts: 5,041
Tn.
CourierDriver Offline
CourierDriver  Offline
Joined: Dec 2009
Posts: 5,041
Tn.
stay with some of the fine major brands,,,imho



Re: STP Pro Motor Oil??? [Re: Donald] #4433100
06/16/17 08:40 AM
06/16/17 08:40 AM
Joined: Jan 2013
Posts: 1,671
Wisconsin
WiskyBadger Offline
WiskyBadger  Offline
Joined: Jan 2013
Posts: 1,671
Wisconsin
Originally Posted By: Donald
I do not have high opinion of anything STP.

How often are you changing oil in a Corvette that you need to be concerned about the price of oil? Amsoil ZROD.

Your engine take 5 qts. My truck is 14. Feel bad for the cost of my oil changes.
Yea feel bad for Donald, he was forced to buy that truck lol. Op I'd stick with Valvoline VR1 if it's easy to get. Amsoil Z Rod is a good choice as Donald said.


14 Buick Verano �Blanche� 61k Castrol Edge & Delco filter
01 Ford Ranger �Rick� 166k Castrol Magnatec Motorcraft
78 Chevy Stepside
11 Chevy Traverse 114k Carquest 5w30 and Carquest filter
Re: STP Pro Motor Oil??? [Re: HammerDown] #4433499
06/16/17 03:54 PM
06/16/17 03:54 PM
Joined: May 2017
Posts: 72
CBUS OH
BironDanmum Offline
BironDanmum  Offline
Joined: May 2017
Posts: 72
CBUS OH
STP is manufactured by Amalie. Or at least it was, I'm not sure now.

For conventional engines it's probably no better or worse than any other SN rated oil, but for a flat tappet cam on an older Corvette I would stick with something like Redline 10w60. It'll be a bit more costly than Brad Penn but RL's a full synthetic so you won't have to change it as often.

Re: STP Pro Motor Oil??? [Re: Donald] #4435444
06/18/17 07:44 PM
06/18/17 07:44 PM
Joined: Mar 2003
Posts: 190
Glenolden Pa.
HammerDown Offline OP
HammerDown  Offline OP
Joined: Mar 2003
Posts: 190
Glenolden Pa.
Originally Posted By: Donald
I do not have high opinion of anything STP.

How often are you changing oil in a Corvette that you need to be concerned about the price of oil? Amsoil ZROD.

Your engine take 5 qts. My truck is 14. Feel bad for the cost of my oil changes.

My truck also takes 15 qts, my Race Boat 14 Qts...trust me I know your pain.
It was just a question.

Re: STP Pro Motor Oil??? [Re: WiskyBadger] #4435448
06/18/17 07:46 PM
06/18/17 07:46 PM
Joined: Mar 2003
Posts: 190
Glenolden Pa.
HammerDown Offline OP
HammerDown  Offline OP
Joined: Mar 2003
Posts: 190
Glenolden Pa.
Originally Posted By: ChevyBadger
Originally Posted By: Donald
I do not have high opinion of anything STP.

How often are you changing oil in a Corvette that you need to be concerned about the price of oil? Amsoil ZROD.

Your engine take 5 qts. My truck is 14. Feel bad for the cost of my oil changes.
Yea feel bad for Donald, he was forced to buy that truck lol. Op I'd stick with Valvoline VR1 if it's easy to get. Amsoil Z Rod is a good choice as Donald said.

I'll stick with the Valvoline VR1 20/50...but my local Auto Zones or other Auto Stores no longer carry it. I suppose sale were poor and I did buy a few cases when it was $4 a Qt (at least that's what they sold it to me for)

Re: STP Pro Motor Oil??? [Re: HammerDown] #4435559
06/18/17 10:46 PM
06/18/17 10:46 PM
Joined: Sep 2008
Posts: 76
St. Catharines Ontario Canada
03s Offline
03s  Offline
Joined: Sep 2008
Posts: 76
St. Catharines Ontario Canada
Originally Posted By: HammerDown
Don't Tar & Feather me...just noticed my local Auto Zone was carrying it.
Does anyone know specs on this oil, good for older Flat Tappet Cams and Lifters?
Zinc PPM etc?
Been using Dino 20/50 Brad Penn or Valvoline VR1 Racing for my older Corvette but the prices per qt are getting crazy!


Only specs I cold find were at Pqiamerica and this was for a 0W-20 Synthetic they tested in April this year. It's about 1/3 of the way down the page.
http://www.pqiadata.org/STP_SYN_0W20_dexos.html
They have more types and viscosity at AutoZone than they list at STP.com so I asked STP why and they sent me back to AutoZone who haven't replied yet.


2005 Chevrolet Optra
Kendall GT-1 Max with Liquid Titanium 5W-30
Fram Ultra XG3387A
Re: STP Pro Motor Oil??? [Re: HammerDown] #4435561
06/18/17 10:48 PM
06/18/17 10:48 PM
Joined: Dec 2006
Posts: 18,633
Dallas,Tx USA
aquariuscsm Offline
aquariuscsm  Offline
Joined: Dec 2006
Posts: 18,633
Dallas,Tx USA
Check with O'Reilly. The ones here have VR1 20W50 in 5 quart jugs.

http://www.oreillyauto.com/site/c/detail...2&ppt=C1941



1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Ultimate Durability 5W20

Re: STP Pro Motor Oil??? [Re: HammerDown] #4435639
06/19/17 06:02 AM
06/19/17 06:02 AM
Joined: Feb 2015
Posts: 487
NC
Matagonka Offline
Matagonka  Offline
Joined: Feb 2015
Posts: 487
NC

Re: STP Pro Motor Oil??? [Re: HammerDown] #4436171
06/19/17 07:15 PM
06/19/17 07:15 PM
Joined: Mar 2003
Posts: 190
Glenolden Pa.
HammerDown Offline OP
HammerDown  Offline OP
Joined: Mar 2003
Posts: 190
Glenolden Pa.
Thanks Fellas...recon I'll stick with Valvoline VR1 Racing 20/50 (dino) if I can find it!
Also may recheck Castro GTX 20/50 for ZDDP levels for flat Tappet Cams
Not interested in running full synthetic in my 81 Vette with 130,000

BTW, no O'Reillys in my area just Napa, Auto Zone, Advance Auto and Pep Boys...and one "speed shop = $$$$"

Oh, last oil Change was with Kendall Titanium 20/50 > > > another oil clearance to sell-out from Auto Zone. Got it for $3 a Qt Also bought a case of 40 wt for my race Boat.

Last edited by HammerDown; 06/19/17 07:16 PM.
Re: STP Pro Motor Oil??? [Re: HammerDown] #4436180
06/19/17 07:27 PM
06/19/17 07:27 PM
Joined: Jan 2008
Posts: 10,684
OH
SatinSilver Offline
SatinSilver  Offline
Joined: Jan 2008
Posts: 10,684
OH
I have 12 quarts of Valvoline SynPower 20w50 that I would be willing to part with. smile

Re: STP Pro Motor Oil??? [Re: HammerDown] #4436433
06/20/17 06:12 AM
06/20/17 06:12 AM
Joined: Feb 2015
Posts: 487
NC
Matagonka Offline
Matagonka  Offline
Joined: Feb 2015
Posts: 487
NC
I have run it once for about 6-7k. No issues.

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