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30plymouth
Oil type/weight


Any recommendations for best oil & weight for a 58 ,354 truck engine.thanks.
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on: Sat 16 of Apr, 2016 [21:15 UTC] reads: 16391

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hemihotrod
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Re: Oil type/weight
on: Thu 08 of Aug, 2019 [15:13 UTC] score: 0.00
>I use 50W Valvoline Race oil which has zinc added...It never really gets that cold here in Vegas but it does get hot...

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hemicoupe
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Re: Oil type/weight
on: Wed 07 of Aug, 2019 [04:44 UTC] score: 0.00
I was using ACCEL 10W-40 from Wal-mart in my 1955 "300" 331 cu. in. motor in a 41 Plymouth 2 dr. coupe. I have 32,000 miles on it since putting on the road in the fall of 09 now. I was at your shop on the way to the 2014 hot rod power tour but you were not there. Talked to your wife and son tho. I can no longer get that oil so now I need to find something else. I need to know what would you recommend that I should use? Labor day I will be leaving for Shades of the past car show and would like to change oil before leaving. Motor is an NOS replacement motor. I have the 340 oil pump, hot heads cam, hyd lifters, milodon gear drive. How many miles can I expect to get out of this engine before a rebuild? Thanks for your help again! Dan

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hemicoupe
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Re: Re: Oil type/weight
on: Mon 19 of Aug, 2019 [03:22 UTC] score: 0.00
> I was using ACCEL 10W-40 from Wal-mart in my 1955 "300" 331 cu. in. motor in a 41 Plymouth 2 dr. coupe. I have 32,000 miles on it since putting on the road in the fall of 09 now. I was at your shop on the way to the 2014 hot rod power tour but you were not there. Talked to your wife and son tho. I can no longer get that oil so now I need to find something else. I need to know what would you recommend that I should use? Labor day I will be leaving for Shades of the past car show and would like to change oil before leaving. Motor is an NOS replacement motor. I have the 340 oil pump, hot heads cam, hyd lifters, milodon gear drive. How many miles can I expect to get out of this engine before a rebuild? Thanks for your help again! Dan




I picked up the ZDDPlus additive ......Now I'm having trouble finding 10W-40 oil!!!! This is just street driven, road trips and no racing.

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George
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Re: Re: Re: Oil type/weight
on: Tue 20 of Aug, 2019 [18:04 UTC] score: 0.00

>
> I picked up the ZDDPlus additive ......Now I'm having trouble finding 10W-40 oil!!!! This is just street driven, road trips and no racing.
>

With the ZDDPlus you can run what ever grade oil you want w/o worrying about the zinc. 10-30, 20-50, Bob said he uses 40W. What ever seems reasonable.

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George
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Re: Re: Re: Re: Oil type/weight
on: Wed 21 of Aug, 2019 [01:11 UTC] score: 0.00
>
> >

>
> With the ZDDPlus you can run what ever grade oil you want w/o worrying about the zinc. 10-30, 20-50, Bob said he uses 40W. What ever seems reasonable. It wasn't that 10W-40 weight oil was special, it was being SF or SH oil with zinc that made it special.



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George
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Re: Re: Oil type/weight
on: Wed 07 of Aug, 2019 [21:28 UTC] score: 0.00
> I was using ACCEL 10W-40 from Wal-mart in my 1955 "300" 331 cu. in. motor in a 41 Plymouth 2 dr. coupe. I have 32,000 miles on it since putting on the road in the fall of 09 now. I was at your shop on the way to the 2014 hot rod power tour but you were not there. Talked to your wife and son tho. I can no longer get that oil so now I need to find something else. I need to know what would you recommend that I should use? Labor day I will be leaving for Shades of the past car show and would like to change oil before leaving. Motor is an NOS replacement motor. I have the 340 oil pump, hot heads cam, hyd lifters, milodon gear drive. How many miles can I expect to get out of this engine before a rebuild? Thanks for your help again! Dan


a lot of guys are using Brad Penn oil, or ZDDPlus additive

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Webmaster
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Re: Oil type/weight
on: Fri 22 of Apr, 2016 [17:07 UTC] score: 0.00
>Todd: I run straight 50wt. in race engines and I've never seen excessive chain stretch or any other negative. Run your engine without the valve covers and you'll find very little oil up top. No need to worry about drain back holes or pumping a pan dry. It doesn't happen. Follow your machinist's recommendation as he has to stand behind his work. I don't drive my hot rod in the snow and don't need a multi grade oil. My comments below reflect what works for me. Ask 3 more engine guys and you may get 3 different answers.
Thanks for using the Forum, Bob

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hemipwr202
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Re: Oil type/weight
on: Mon 18 of Apr, 2016 [22:46 UTC] score: 0.00
Bob; Doesn't straight 40w stretch tiiming chains. My 241's drain back holes were enlarged and the oiling to the lifters and top end was massaged. My machinist suggested 10-30 or 5-20 for street use. Using more volume pump-I bought from you with a stock pan. Don't wat to suck the pan dry. Hemi is in a 39 plymouth not fired yet, 727, 2:76 gears, 2600stall. Street use, cruise and a few quick starts from stop light.

Todd

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billm
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Re: Re: Oil type/weight
on: Tue 19 of Apr, 2016 [22:13 UTC] score: 0.00
I think a 10W-30 oil will be a good choice for street use. I've used 10W-30 Valvoline VR1 in two old Hemis with no problems. I get 60psi at cold idle, and 25psi at hot idle. That's more than enough pressure for a street engine. 40 weight oil may be better for a race engine with large clearances and a careful warm-up period.
VR1 still has zinc in it, and is not street legal. You may have to special order VR1 through NAPA. If you don't use an oil with zinc in it, use a zinc additive at every oil change. This will be much cheaper than replacing the cam and lifters after a cam lobe fails.
I don't think the .050" hole in the galley plug is needed for a street engine. The factory engines didn't have the hole, and they were quite reliable. If your engine already has the drilled plug, that's okay- the only result will be lower oil pressure at idle.
Don't worry about sucking the pan dry- it won't happen.

Good luck,
Bill

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George
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Re: Re: Re: Oil type/weight
on: Wed 20 of Apr, 2016 [04:19 UTC] score: 0.00
> I think a 10W-30 oil will be a good choice for street use. I've used 10W-30 Valvoline VR1 in two old Hemis with no problems. I get 60psi at cold idle, and 25psi at hot idle. > I don't think the .050" hole in the galley plug is needed for a street engine. The factory engines didn't have the hole, and they were quite reliable. If your engine already has the drilled plug, that's okay- the only result will be lower oil pressure at idle.
> Don't worry about sucking the pan dry- it won't happen.
>
> Good luck,
> Bill

I use 10W-40, with the plug drilled, & have the same oil pressure you do. I did have the dizzy gear on a Cleveland cam strip.

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George
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Re: Re: Oil type/weight
on: Tue 19 of Apr, 2016 [16:47 UTC] score: 0.00
> Bob; Doesn't straight 40w stretch tiiming chains. My 241's drain back holes were enlarged and the oiling to the lifters and top end was massaged. My machinist suggested 10-30 or 5-20 for street use. Using more volume pump-I bought from you with a stock pan. Don't wat to suck the pan dry. Hemi is in a 39 plymouth not fired yet, 727, 2:76 gears, 2600stall. Street use, cruise and a few quick starts from stop light.
>
> Todd

New timing chains will stretch a couple degrees when new. 40W oil just is thicker & takes longer to thin when warming up. Where you have a brand new rebuilt engine I'd use something thin with break in oil for initial fire up. The 10W-30 should be fine with some zinc additive like ZDDPlus or Lucas. The 340 HV oil pump only moves 3.5% more oil than the 392 Melling M-50 pump, Haven't hears how that compares to a stock 241 pump. Drilling an .050 hole in the oil galley plug behind the Dizzy is a common trick to lube the cam/dizzy gears & would also get a little oil back to the pan faster. 40W oil uses more power than 30W oil being it's harder to pump.

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Webmaster
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Re: Oil type/weight
on: Mon 18 of Apr, 2016 [21:00 UTC] score: 0.00
For flat tappet cams I use a straight 40 wt. Valvoline VR1 racing oil.
Hope this helps, Bob Walker



> Any recommendations for best oil & weight for a 58 ,354 truck engine.thanks.

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George
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Re: Oil type/weight
on: Sun 17 of Apr, 2016 [04:48 UTC] score: 0.00
>For non-roller cam engines pre SM oil. SM & SN oil has little or no zinc to keep the cam happy

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George
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Re: Re: Oil type/weight
on: Sun 17 of Apr, 2016 [04:49 UTC] score: 0.00
> >For non-roller cam engines pre SM oil. SM & SN oil has little or no zinc to keep the cam happy


Poorly worded, zinc helps keep the non-roller cams from wearing


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