SpecC_Chris

When on track what have you done to try and combat oil surge issues?

Nothing at all and just run it?

Baffle plate or Baffled sump?

One or both of a both with the use of track attack catch can returning to sump?

Any advice or set up info would be great , thanks

Chris

stevemoir

iTrader: (24)

have you actually had it on track to see if you are having any surge issues?

I had my old 470 blob around the track quite a few times and never suffered

steve

edsel

iTrader: (2)

Is it only spec C owners on track days that have issues/experience with oil surge and catch cans?
Im not a spec c owner but have some experiences. First thing I did was fit an oil pressure gauge with a warning facility. I refuse to pay the RCM tax on a Grp N item so opted for a "clubmans" baffled sump from AS performance. At Brands hatch going round clearways and druids I had no issues.
Some folk recommend overfilling with oil, this is liable to cause excess crank case pressure that will at best overload the venting system blowing oil into the inlet.
So then you will need a catch can, I fitted a three port baffled can from OBP again much better value than the RCM part (no pretty box though) I chose to empty the can manually rather than have the yoghurt return to sump.

SpecC_Chris

Anyone opinions will help bud

Just said spec c as that's car in question but suppouse makes no difference.

man utd

iTrader: (1)

I've done loads of track days and ring trips in spec c's and never had any issues, change oil regular and I always check its on top mark a couple of times, Cheers Rob

Fonzey

iTrader: (5)

"I've never had issues" doesn't do much to comfort me on this topic tbh, as it only takes 1 "issue" to cost you a few grand!

I did one track day (Cadwell in the damp) without any measures, I was so slow I really wasnt concerned. Then before doing Blyton in the dry on R888's I went for a baffle plate.

I've got oil pressure which I monitor at a few points during the day, never seen a dip in pressure on any of the Blyton corners - but I do suffer fuel surge on the wiggler.

I'm taking measures over winter to fix that, and I've also got a VTA catch-can on now too, so I can monitor quite easily how much oil I'm blowing on a track day.

Shaun

Get a proper GRP N baffled sump on it (this is what I did on mine, especially when the car was being used for all sorts of track abuse, including competition stuff)..... do it once and do it right.

For all the others who have not suffered oil surge..... you're obviously not going quick enough and do not have enough grip.

And as been already said..... you don't wait to see if you have surge, especially on a Scooby engine. It only needs to happen once, for you to wipe out your bottom end.

Fortunately, most people don't go quick enough with enough g's to cause issues I suspect.

SpecC_Chris

Yes that's why asking now before go on track because don't want me sat in pits in morning of trackday pricing up a new engine especially a jdm one my luck I'll find out if oil surge happens.

Think the more and more I read and look up a baffled sump is way too go. I aren't planning on tottling around on track that's not what bought it for.


Anyone using the AS performance baffled sump?

edsel

iTrader: (2)

As far as I'm aware there's only one manufacturer of impreza group n Sumps? These are sold under rcm and lateral brands? Beautifully made.

SpecC_Chris

Removing the sump....

Can get off on a twin scroll or do need to remove the headers?

AS Performance

iTrader: (4)

i wouldn't fit a baffle plate combine with a baffled sump - the plate simply doesn't add anything to a properly designed and made sump

you will struggle to change the sump without first dropping the twin scroll headers off but that is the easiest part of the task..........

SpecC_Chris

What's the hardest bit then .....?

Fonzey

iTrader: (5)

There are four little problems at the back of the sump, and they will make you the angriest man alive.

SpecC_Chris

If you have goth the track attack can with return to sump, can you use the baffle plate with standard sump?

AS Performance

iTrader: (4)

yes but wont give you the extra protection a baffled sump will..........

gussy

iTrader: (2)

As Alyn has stated with the baffled sump the oil pickup sits in a tube in the centre off your sump all or the majority of the oil returning to the sump is directed down the tube or through the none return rubber flaps in the plate also through slots in the base of the tube so the oil pick up technically should never be uncovered.

SpecC_Chris

What about a baffle plate, killer b windage plate and oil pick up pipe? With return to sump.

Windage plate stop crank chunking oil up wards?

gussy

iTrader: (2)

Chris I used to track a spec-c type RA before the car I have now and TBH I never had any baffle plates or a baffled sump in it the car never missed a beat or gave me any concerns with oil pressure, the car ran 415/398 with the set up I had.I see you have posted on a few other sites asking the same questions I have no experiance of the killer B products but looking at the sales pitch it seems to do what it says on the tin, if you look at the twin scroll engine with the sump off you have to understand there is a big differance between a baffle plate and a baffled sump the baffle plate sits between the top of the sump and the engine when its bolted together with just the oil pickup under neath it as OEM with a baffled sump you either have trays welded into the sump to keep the oil around the pickup pipe or an alloy insert into the sump to do the same thing the idea of the flaps in the plate is to allow the oil to only travel one way down towards the oil pick up and to stop the oil flowing back same again to keep the oil around the pickup pipe you would be suprized just how thin oil gets when its upto temperature like pouring water out of a tap so it will slop about in the bottom of the sump and under hard cornering can uncover the oil pickup hense the baffle plates traps in the sump which is ment to guard against this .As for the windage tray as like on my engine now I run a prodrive group N baffled plate insert in my sump that sits 5mm into my sump which is still close to the bottom of the crank I run no widage tray the oil drops staight onto the plate loads the centre tube around the oil pick up and also through the flaps so technically even under heavy cornering I should get no uncovering of my oil pickup pipe.

my insert

AS Performance

iTrader: (4)

none of these items combat surge away from the pick-up however...........

be more cost effective to simply use a grpN style baffled sump

Shaun

Guys, why are you trying to re-invent the wheel.

Unless you are going to go the dry sump route, fit a proper baffled sump (as Alyn has stated) and be done with it.

Cheap is dear and dear is cheap!

gussy

iTrader: (2)

Love the saying Shaun and very correct

PJA

I think that is the conclusion Chris is coming to - but no harm in exploring options / getting first hand experience from users

SpecC_Chris

I agree

I think I've decided that baffled sump is the answer but was just asking for other peoples opinions and advice. No harm in that !