Swepco 306 question

[Netspeed]

I got an 88 Carrera in SoCal. Nice weather now but gets pretty hot in the summer. I've got about 160k miles on it. What weight oil would be recommended? Seeing that Wayne sells it I'm assuming it has all the great ZDDP stuff.....

[paulgtr]

Ultimate Motor Oil Thread or Why we hate CJ4/SM oils
maybe this is the equivalent of using a howitzer to kill a mosquito
but that thread has all the answers and makes a lot of sense

[Netspeed]

I have read that thread and didn't find any info specific to my local. I was hoping someone local could help out. Also, it's just a daily driver but with LA's freeways they are (more like parking lots), it's almost like driving on the track (heat that is).

[paulgtr]

I thought there was a chart showing which ambient temperature range fit with which grade of oil
like right now i am using 5w30 brad penn racing oil

[Netspeed]

You're right....my bad. It was on page #4 of the thread about haf-way down.

Thanks for all your help!

[paulgtr]

no worries.
that thread is a real resource when it comes to oil questions

[Netspeed]

It is....I'm surprised it isn't a sticky.

[paulgtr]

subscribe to it
or just bookmark it
that way you can always find it

[GrantG]

Originally Posted by Netspeed

I got an 88 Carrera in SoCal. Nice weather now but gets pretty hot in the summer. I've got about 160k miles on it. What weight oil would be recommended? Seeing that Wayne sells it I'm assuming it has all the great ZDDP stuff.....

I think you'd be fine with 15W40 (what I use) or 20W50.

[Netspeed]

Originally Posted by paulgtr

subscribe to it
or just bookmark it
that way you can always find it

The thread is easy to find for the Pelicanites that have been on here awhile. I meant they should make it a sticky and title it "Everything you wanted to know about motor oil" or something like that for all the new people that join the board.

[paulgtr]

true.
or atleast it should be part of the resource that Wayne is trying to put together of all the different technical help issues that have been discussed here over the years

[Netspeed]

Originally Posted by paulgtr

true.
or atleast it should be part of the resource that Wayne is trying to put together of all the different technical help issues that have been discussed here over the years

I don't envy that project!

[efhughes3]

There are a ton of relevant/important threads on here. We'd have 2 pages of stickies if they were all immortalized. Besides, that's half the fun here, wading thru all of the info.

[dan88911]

I agree with you Netspeed . I'm in the s.f. area however my baby is more a garage queen.. Excellence May 2004 has an article by Jim Pasha on motor oil .He suggest using 15w-50 year round for 89-and -earlier 911s because of high heat- both ambiemt and engine.

[paulgtr]

Originally Posted by efhughes3

There are a ton of relevant/important threads on here. We'd have 2 pages of stickies if they were all immortalized. Besides, that's half the fun here, wading thru all of the info.

totally agree
I do searches sometimes and wind up going completely off the topic following the threads that pop up.
I mean every single topic is still here from the beginning
boggles the mind

[RoninLB]

Originally Posted by Netspeed

SoCal. ......gets pretty hot in the summer.

What weight oil would be recommended?

I've spent some time on same roads.

If I lived their permanenty I'd add another oil cooler under left fender.

If I can't keep at least a very slow roll I'll keep the revs at 1,200 to at least stabilize the electrics, have "some" air flow over engine, and keep oil flowing to coolers.

Mobil 1 15w50 is more than ok imo.

[Netspeed]

Originally Posted by RoninLB

I've spent some time on same roads.

If I lived their permanenty I'd add another oil cooler under left fender.

If I can't keep at least a very slow roll I'll keep the revs at 1,200 to at least stabilize the electrics, have "some" air flow over engine, and keep oil flowing to coolers.

Mobil 1 15w50 is more than ok imo.

It's scary sitting on the freeway in 100 degree weather going 5-10mph and knowing that you have 20 miles to go. I did them same thing...try to keep the revs up to about 1500rpm.

From what I've read, I'm sticking with dino-based oil. I know many have not had problems with leaks but I don't want to risk it.

[efhughes3]

Originally Posted by RoninLB

Mobil 1 15w50 is more than ok imo.

I think I'd respectfully disagree there. From what I've read, Mobil 1 has been one of the bigger changes in formulation these last few years. Sure, Porsch may still recommend for new cars, but they are different animals.

There are too many boutique oils out there that will do better for our cars. I was going to run Brad Penn 20/50 for only my break-in, and then switch to full syn like Redline or RP, but I think I'm sticking with it. It's a semi-syn, which is what I've run for the last 6 yeats (different brand) and I was pretty impressed with how my engine looked when I took it apart for rebuild.

Not that I'm trying to be cheap here, but it is also about 1/2 the price of Mobil 1.

[RoninLB]

Originally Posted by efhughes3

I think I'd respectfully disagree there. From what I've read, Mobil 1 has been one of the bigger changes in formulation these last few years.

full syn like Redline or RP, but I think I'm sticking with it.

Mobil 1.

I only said Mobil 1 is "more than ok imo".

So you figure it's not ok?

If I had to change from that I'd use Redline.

The important part of the reply is the added front front oil cooler, especially with dino oil.

[efhughes3]

Originally Posted by RoninLB

I only said Mobil 1 is "more than ok imo".

So you figure it's not ok?

If I had to change from that I'd use Redline.

The important part of the reply is the added front front oil cooler, especially with dino oil.

I wouldn't say it's more than OK, it is held in somewhat false esteem, IMO, because of what it USED to be like. The ZDDP issue is nothing to gloss over, and I thought I'd read that Mobil 1 is one of the oils that reduced it significantly. I'd change from that to Redline in a heartbeat, if you want full syn.

I've had my '84 in Texas heat with only the stock coolers at the track and on the street, and have never overheated or come close.

I guess I'm just more sensitive to this whole deal having just done my rebuild, and knowing what I spent in time and money. It is not something I plan to do again on this car.

That, or I guess I'm just argumentive today...