isn't RX7 Oil cooler too big?

[thekawaii]

Stock 2nd gen RX7 holds 6 qt of oil, i just wonder if it's too big for my KA24e. You know KA oil pan is really tiny, i'm not sure low presure ka oil pump can handle that cooler....

[TDC240sxPunk]

ok, oil pump doesn't know how much oil it's moving around, if you run an oil cooler you have to make up the rest of the space by adding more oil.

[duncan351]

Yup, I'm running run. Another friend of mine with an SR has one too. No issues.

[thekawaii]

cool. do you know the thread fitting size of the cooler??

[WDRacing]

6 quarts??? I doubt it holds 6 quarts. Maybe 6 total quarts in that model to include the oil pan, but noway it hold 6 quarts in the cooler itself.

[duncan351]

I'm running -8 AN fitting lines. The thread in the oil cooler is 1/2 "

[mirra32]

ive had the same question...my friend has one lying around and its as big as a damn intercooler...any specs on how much cooler it would be....

[thekawaii]

i meant everything total 6 qt.Anyway, i'm gonna buy Mocal Sandwich adapter, the end is female 1/2.

[Chezedik]

Would you place it before or after the turbo? I would think before, but you guys would know.

[WDRacing]

After the turbo, so it can cool the oil after it gets super heated by the turbo itself.

[onosqv]

After the turbo, so it can cool the oil after it gets super heated by the turbo itself.

Which means before the filter right?

Yup, I'm running run. Another friend of mine with an SR has one too. No issues.

Any install pics? Where did you locate it, just infront of the radiator?

[thekawaii]

after turbo? i said i'm gonna buy mocal sandwich adapter. It's located bottom of oil filter. Am i miss understanding something?

[C-Kwik]

After the turbo, so it can cool the oil after it gets super heated by the turbo itself.

I'll have to object to this one. Unless you run a separate pump to do this, the oil in it will likely not move very well through it. The typical location of a turbo on a KA or any motor for that matter, will leave little room to put an oil cooler that is effective and able to run completely on gravity. On a street car, I would run one that is thermostacially controlled/bypassed. It is possible to overcool motor oil and do more harm then good. Street driving will create very little excess heat in the oil. One that thermostacially bypasses the cooler when temps are normal would be ideal as it would do nothing until you need it.

[duncan351]

I made some custom brackets to bolt to the oil cooler.

[steve s14]

if you're running a sandwich adapter, the oil flow will be from the engine and turbo flowing down into the pan, then up the oil strainer and pickup tube to the pump, through the sandwich adaptor, if it has a thermostat then it would either bypass the cooler and go into the oil filter and to the engine and turbo and repeat the cycle or if the oil is at operating temp, it would go through the cooler and back to the sandwich adapter, into the oil filter and to the engine and turbo and repeat the cycle.i would highly recommend a thermostat. oil doesn't lubricate as well if it's constantly too cold or too hot.

[duncan351]

Yea Steve you're right. I have a thermostate in the oil cooler and the sandwich adapter. So I think I'm covered there.

[onosqv]

Yea Steve you're right. I have a thermostate in the oil cooler and the sandwich adapter. So I think I'm covered there.

All rx7 oil coolers have built in thermostats correct?

[onosqv]

and any better pictures of ur brackets (shape & location) to make everyone's life easier?

[duncan351]

I'll be installing the engine this weekend. So I'll take the pictures when I remove my headlights to connect the lines and post them for you rookies.

[thekawaii]

http://www.racerpartswholesale.com/mocal.htm

the adapter has built in thermostat.

Wait RX-7 cooler has ther. too.

My plan is====================oil from sandwich adapter->cooler->oil back to sandwich adapter->filter->back to engine

and keep oil line for turbo separate.====================

[duncan351]

Here are those updated pictures guys.

[thekawaii]

shoot. that's huge.I saw that i thought i was something else. thought no way it's an oil cooler LOL

[SleepyS-14]

What sandwich adapter are you using? And where do you get it?

[duncan351]

Got it from Ebay. Works great.

[karmakaze]

Not to go and bring up an ancient post of anything... because obviously i would never do such a thing, but i was wondering, how in the hell does the thermostat in the RX7 cooler work?

it only has 2 lines going into it, so is the bypass internal?

[driftin8ez]

Not to go and bring up an ancient post of anything... because obviously i would never do such a thing, but i was wondering, how in the hell does the thermostat in the RX7 cooler work?

it only has 2 lines going into it, so is the bypass internal?

The thermostat in the oil cooler works just like that in your cooling system. It's in the end tank by the inlet and outlet. If the oil isn't hot enough it will just go from one hose to the other. When it gets hot enough it runs through the cooler and out the other hose.

All rx7 oil coolers have built in thermostats correct?

Correct!

[Brian123]

I'm trying to use one of these coolers to cool the oil in my 911 powered 356 replica. I've got a Mocal thermostat and it opens when the oil heats up and both lines are hot but not the cooler...nor does it seem to cool the oil. I suspect the internal T-stat is faulty and I'd like to eliminate it.

Can anyone tell me how to get rid of the internal T-stat? I've seen folks say use a bolt and nut to block the hole...can anyone who has successfully done this explain a bit more please?

thanks guys...

Brian

[AZhitman]

I'm using an RX-7 cooler as well - see pics in the "sneak preview" thread in KA-T.

[driftin8ez]

I'm trying to use one of these coolers to cool the oil in my 911 powered 356 replica. I've got a Mocal thermostat and it opens when the oil heats up and both lines are hot but not the cooler...nor does it seem to cool the oil. I suspect the internal T-stat is faulty and I'd like to eliminate it.

Can anyone tell me how to get rid of the internal T-stat? I've seen folks say use a bolt and nut to block the hole...can anyone who has successfully done this explain a bit more please?

thanks guys...

Brian

go on rx7club.com and do a search and then ask. They will be able to help you out alot better on this subject.