Jaycee Full Flow adapter

[Phil West]

Hi all,

I've fitted a Jaycee straight shot adaptor to my case per pic.  I've removed the oil relief spring and piston completely.  Looking at the case (and the pic) I see I need to drill and tap the small hole just above the relief piston plug, the hole that I think drains excess oil that gets past the relief piston?  I will use an 1/8NPT plug.  I see a small orange plug in this location in the pic.  Has anyone else used this adaptor, am I missing any other required mods.  I've removed the stock cooler, have a blanking plate that allows oil to flow straight through.  So I don't have the top two orange plugs at the oil cooler per pic, or the smaller one right above the outlet of the new red adaptor.

Cheers
Phil

[WPS]

Hi Phil,

Put two relief valve plungers back to back in the rear relief valve and one of those bugpack/empi adjustable plugs so you can tighten the plungers to block the hole.You'll need a relief valve oil filter head Scat or Jaycee etc and return to the sump. To block the oil cooler circuit I use a 1/4" npt plug, it's tricky to tap but I extend the tap in a small 1/4" socket set and extension also drill and tap the case where the oil cooler bolts on...you'll save all that weight of the cooler block off 
If none of this makes sense  give me a call tomorrow and I'll explain further.

Cheers

Ian

[JamieL]

Hi Phil,
As Ian says - we did similar with Jonny's motor...

However, in addition to plugging the stock 'cooler points and left case half at the stock oil pump outlet, we also custom made a non-threaded T shape plug to fit in the horizontal gallery above the new bypass inlet fitting as the tiny little vertical plug is barely held by a single full thread; perhaps a nuance of individual case machining but we felt it was too precariously fitted to risk it being dislodged by proper 80psi pressure and subsequently dropping out thereby causing at best a series of bad leaks or worst case restricting flow through the main gallery...
 

[Jonny Grigg]

Jamie beat me to it! As said above, we blocked the oil cooler off on both the inlet and outlet as Ian described. I guess it is better than using an oil-cooler bypass fitting as there is less in the system that is 'dead headed'. By doing this you lose the stock oil pressure fitting location from the circuit, so we mounted it on the discharge side of the filter head. We are using a JayCee bypass filter head that dumps back to the sump via a #8 fitting welded to the deep sump.

As Jamie described, the little Allen bolt between the main gallery and the one above (near to where the adaptor enters the case) is rubbish. The material thickness there is 4/5ths of nothing. We made a small aluminium plug that is the diameter of the gallery on the thinner shank. It has an o ring on the shoulder and is compressed into place by the block off plug where a normal full flow adaptor enters the case. This pretty much seals it, but there will be some residual bleed around it, which is no big deal if you have blocked the original pressure sender hole and the inlet side of the cooler at the top of the gallery. If you pm me your phone or email I'll send you a picture of the sketch I did for the machine shop with dimensions- no pictures if the final thing though, sorry. The plug as a tapped thread on the end so we can put a bolt in it and pull it out for whatever reason in the future. Simple, but does the job.

We also put the original pistons back to back as Ian described in the chamber by the flywheel. I didn't use an adjustable fitting as everything compressed nicely with the stock screw-in plug, but I guess each case is slightly different.

Also, when you first crank the motor you'll get a shock from how much pressure you get using this bad boy! My motor makes 60 psi on the starter, and sits flat at 80psi when running as the filter head bleeds it off. When we first ran the engine we saw 100psi on the instruments!

Any other help, just ask.

Cheers,

Jonny.

[Phil West]

Thanks guys.  Here's a pic of the front bleed hole that I tapped this morning, which fortunately was a nice easy job.

Jonny, I think you were unlucky - I checked my (stock) case this morning and there's loads of thickness on the vertical plug, at least as thick as a 1/4 npt plug.  I'm guessing your case is likely aftermarket?  Anyway looks like I can get away with normal tap and plug on that one per Ian's comments.

Cheers
Phil

[dannyboy]

a nice cad plated plug would look nice in there phil 

[Jonny Grigg]

Sounds like you've got it sorted!

Yes my case is a CB aluminium one, so I guess there is the difference right there.

When are you aiming to have it together?

[Bernard Newbury]

a nice cad plated plug would look nice in there phil 

Think of the weight, young Pike my lad 

[Phil West]

a nice cad plated plug would look nice in there phil 

Wait till you see the motor, it's yellow-zinc-tastic!

[Phil West]

Sounds like you've got it sorted!

Yes my case is a CB aluminium one, so I guess there is the difference right there.

When are you aiming to have it together?

Gonna be another month I reckon so I'm pushing my luck this year.  Defo early doors next season at worst though.

[dannyboy]

a nice cad plated plug would look nice in there phil 

Wait till you see the motor, it's yellow-zinc-tastic!

have you had the nitrous foggers cad plated as well??? 

[NoBars]

I would love to dow7 my mag case.

[Phil West]

Hi Phil,

Put two relief valve plungers back to back in the rear relief valve and one of those bugpack/empi adjustable plugs so you can tighten the plungers to block the hole.You'll need a relief valve oil filter head Scat or Jaycee etc and return to the sump. To block the oil cooler circuit I use a 1/4" npt plug, it's tricky to tap but I extend the tap in a small 1/4" socket set and extension also drill and tap the case where the oil cooler bolts on...you'll save all that weight of the cooler block off  
If none of this makes sense   give me a call tomorrow and I'll explain further.

Cheers

Ian

Finally got it done - took a couple of taps and a new socket but got there in the end......

[Jon]

Hi Phil, how do bearing number 4 get access to oil with that plug in there?

[richie]

Hi Phil


Out of interest how are you going to read oil pressure? looking at the top picture your oil cooler blanking plate[ if you are still using it? ] will let oil go backwards towards the oil light switch hole, is that what you intended? now you have blocked the oil bleed hole I would think you want to tap and plug the oil cooler holes like Ian mentioned? Looking at that pic I think I would have left the bleed hole open and just blocked the oil cooler holes, thus allowing the use of the stock idiot light position. I would only block that hole if I was 6 studding the case as the top stud that side goes into the oil gallery


cheers Richie

[Phil West]

Hi Phil


Out of interest how are you going to read oil pressure? looking at the top picture your oil cooler blanking plate[ if you are still using it? ] will let oil go backwards towards the oil light switch hole, is that what you intended? now you have blocked the oil bleed hole I would think you want to tap and plug the oil cooler holes like Ian mentioned? Looking at that pic I think I would have left the bleed hole open and just blocked the oil cooler holes, thus allowing the use of the stock idiot light position. I would only block that hole if I was 6 studding the case as the top stud that side goes into the oil gallery


cheers Richie

Yep already blocked off the oil cooler per pic.  Pressure will be taken from in-line fitting before the Jaycee straight shot fitting.

[richie]

Cool, I hope you are going to cut off the old oil cooler mounting tabs there that you no longer use? 

cheers Richie

[Phil West]

Cool, I hope you are going to cut off the old oil cooler mounting tabs there that you no longer use? 

cheers Richie

Nice idea...just need to be a little careful not to make many sparks while cutting the mag!

[dannyboy]

phill i just realised i never posted that lambda plug do you still want it?if so ill get it in the post

[Phil West]

phill i just realised i never posted that lambda plug do you still want it?if so ill get it in the post

Yes pls mate meant to mail you the last few days and forgot 

[Phil West]

Hi Phil, how do bearing number 4 get access to oil with that plug in there?

But #4 gets oil on the t-piece branch from #3, see pic.  So putting this plug in has no effect on oiling to #4.

[Jon]

Hi Phil, how do bearing number 4 get access to oil with that plug in there?

But #4 gets oil on the t-piece branch from #3, see pic.  So putting this plug in has no effect on oiling to #4.

Right you are, I never followed that branch. Since oil is theoreticaly uncompressable, is there realy any point of blocking these parts off?

[NoBars]

Those aluminum cases are heavy. I think yiu are going to need to drill more holes in that car.

[Phil West]

Those aluminum cases are heavy. I think yiu are going to need to drill more holes in that car.

This is a mag case......

[Phil West]

Hi Phil, how do bearing number 4 get access to oil with that plug in there?

But #4 gets oil on the t-piece branch from #3, see pic.  So putting this plug in has no effect on oiling to #4.

Right you are, I never followed that branch. Since oil is theoreticaly uncompressable, is there realy any point of blocking these parts off?

I calculate 400ml of oil in those passages which I would rather have going to my mainbearings etc.

[NoBars]

Those aluminum cases are heavy. I think yiu are going to need to drill more holes in that car.

This is a mag case......

It looks aluminum. Caustic mag wheel cleaner to get it so bright?

 I couldn't do the aluminum case either. F'n expensive a new mag case was.

[Phil West]

Those aluminum cases are heavy. I think yiu are going to need to drill more holes in that car.

This is a mag case......

It looks aluminum. Caustic mag wheel cleaner to get it so bright?

Mini DA followed by glass bead blast.  Followed by loads of cleaning cycles - solvent tank, pressure washer etc.

[Phil West]

Cool, I hope you are going to cut off the old oil cooler mounting tabs there that you no longer use? 

cheers Richie

A massive 20g saved and it looks much better!

[richie]

That looks really nice Phil

So does the 400ml of oil that wont be wasted in the galleys you blocked off weigh more or less than the plugs you installed? I know you have got ot have thought about it

cheers Richie

[NoBars]

I use Superclean caustic mag wheel cleaner and scotchbrite, same thing, lots of cleaning, then coat liberally with Gibbs brand penetrant. It seems to hold up pretty good.

Are you using an external cooler or is your car not to be a street car anymore?