Someone should make a how to for option b tank s3 heat exchanger and dual pass endplate... I've searched... and searched. Got a nice diagram but still about to pull my hair out!

 

What part are you struggling with? It is a pretty straightforward install. List up some specific questions and we can help you out as there are already several how-to's out there on these subjects.

 

Well Im not sure where the bleeder hose goes off the tank. I heard you have to switch lava cores in the intake manifold? and still not sure where the h/e pump is. And there is a plug on the bottom on the tank! whats that??
-thanks for the help

 

what S3H/E?? if its ZZP its a direct bolt up...the opt. B is straight forward, take the bleeder hose from the top of the B tank and run it to the stock H/E, their is a plug on the top of it, and when you do the dual pass, make sure you get the seals in correctly, or you will leak into the intake

 

yeah its the zzp. And do I need to buy some type of nipple for the bleeder hose? I saw the plug..

 

https://www.cobaltss.net/forums/2-0l...ioning-185029/

This thread has info about the laminova core orientation.

 

If you got everything from ZZP then you dont need anything...you should have an elbow with threads on one end and a hose barb on the other, this goes on the stock H/E and is used for the bleeder, use the small clear hose they provided and run it to the top of the Opt. B tank (make sure it wont rub or come in cantact with the belt)

to mount the H/E you can do it with the bumper on, i had mine off already.. if you look on the H/E you should see two tabs, thats what mounts to the back of the crash bar, they say its a direct fit, but i had to bend mine slightly to fit (no big deal)

use this diagram, with a small change, I noticed the hose on the bottom of the tank likes to pinch off a bit, so this winter i am going to get a solid 90* and put it on..I ran my hose down threw the hole by the windshield washer tank because if you run it above the tank height you risk the chance of air-locking the system...so what i am going to do is run a small section of hose, then put on the 908 where it would drop down, then hose to the Tee.



and finally for the End plate...the car came with the Dual pass so someone else needs to help with that (or use the search button)

 

Thanks that helped. I got the tank and h/e mounted. But thats as far as I got haha. Im no dummy, just never done something like this before. and I bought the parts used... so Im missing some hardware i think

 

i wonder if you called ZZP if you could order just the hardware...it would make things easy then...or contact them on here that might give you a faster responce...

Does anyone know if ZZP is open saturday mornings??

 

there is a .040 restrictor that goes into the bleed line dont forget that

 

I don't have that.. yeah thats a good idea maybe I can just order the hardware

 

??? their is...i dont have that, nor do i remember getting one from ZZP

 

zzp may not include it in their kit but the gm kit is supposed to have it pm me your email and i will send you the gm pdf instructions and they clearly show that it is supposed to be used

 

Hey if your doing the dual pass endplate, you might as well go for the LSJ Phonelic spacer since you have to take the intake manifold off for both. I have the OTTP Stg1 HE, Dual Pass endplate AND The ZZP Phonalic spacer and Im seeing cruise IAT2s that are IAT1 + 9 to 12degrees!!

 

I will be needing this information pretty soon myself

 

Thanks for the input, but whats "LSJ Phonelic spacer"?

 

The spacer is a part that you place in between your engine and the intake manifold (cut out looks similar to a gasket). The purpose is to reduce head transfer from your engine to the intake manifold. If you are going to add this now is the time since you will already have taken off all the parts needed to install the spacer when you add your dual pass setup.

 

Great info! Looks like I'll save a little more money and do this as well.

 

When I bought my option b from zzp it came with the reducer

 

I"m pretty sure Home Depot or Lowes is. Youd get it faster if you can get a ride there and just baught it.

 

I bought a used OTTP, newest gen HE.

Anyone else have a nipple on the BOTTOM of the HE? I feel like it's where the previous owner hooked up option B, but that's def not right... I think im just going to seal it off?

I know it's not meant to drain the system, there's another valve for that

 

actually i think some are on the bottom... i could be wrong though

 

If it's the OTTP Stg 1 HE then its where they had a drain **** installed and used a plug instead. The style drain they had there was WAAY to vulnerable, Most people ive heard of replace it with a plug. I used a temp sensor though lol so now I know my HE Fluid temps hahaha

 

about to jump in again... maybe a stupid question but do I have to drain the cooling fluid? If so can you tell me where? Thanks

 

you will have to drain it (if you didnt already) i just pulled the hose off the pump and let it drain into a bucket.