Notices
1999 - 2003 7.3L Power Stroke Diesel  
Sponsored by:
Sponsored by: DP Tuner

Coolant ratio rich, any danger?

Thread Tools
 
Search this Thread
 
Old May 11, 2013 | 05:25 PM
  #1  
pYr8's Avatar
pYr8
Thread Starter
|
Senior User
Joined: Jun 2011
Posts: 142
Likes: 0
From: Huntsville, TX
Question Coolant ratio rich, any danger?

Hi FTE Community-

I had the radiator replacement thread recently. I haven't driven the truck hardly since the replacement. Question is: Any danger in leaving my antifreeze to water ratio too rich? I've been draining out some fluid & replacing with distilled after running until operating temp. Just still too rich.

At time of replacement I put in 4 pints of NapaKool before adding any antifreeze, which was Super Tech "All Makes All Models" Extended Life (Walmart special) full strength. Shoulda gone 50/50 at that time but I was thinking I had it guesstimated.

Been workin too much & avoiding storms lately so I haven't got around to draining more. When I check with my little Rapid-Test coolant tester from Napa it's pegged at max every time.

I'm planning on a full back flush & doing the CAT EC-1 soon as possible but truck funds and time are limited right now. Any danger of anything rotting out or causing cavitation in the future?

Any advice appreciated,
Karl
 
Reply
Old May 11, 2013 | 05:34 PM
  #2  
A/Ox4's Avatar
A/Ox4
9 ECHO 1
15 Year Member
Liked
Joined: Aug 2009
Posts: 12,467
Likes: 58
From: Missouri
Club FTE Silver Member

Subscribing.
 
Reply
Old May 11, 2013 | 06:25 PM
  #3  
hammer65's Avatar
hammer65
Posting Guru
Joined: Jul 2008
Posts: 1,302
Likes: 1
From: Morehead, Ky.
You can go up to about 75% antifreeze to 25% water. I know it is close to that anyway.
You just can't run pure antifreeze, but being in Texas, you should not have a problem.
I bought Delo ELC, They make Cat's, but it is cheaper at a Distributor.

75/25 mix will take you down to about -50deg F

I reread, and All makes and Models is not good for Diesels.
 
Reply
Old May 11, 2013 | 06:30 PM
  #4  
mueckster's Avatar
mueckster
Lead Driver
20 Year Member
Photogenic
Photoriffic
Shutterbug
Joined: Jun 2003
Posts: 8,298
Likes: 24
From: Damon (South East Texas)
Too much antifreeze shouldn't be a problem. The boiling point will be a bit lower than with a 50/50 mix, but freeze protection will be higher. I wouldn't fret about it. You will be fine until the change to ELC.
 
Reply
Old May 11, 2013 | 09:36 PM
  #5  
BadDogKuzz's Avatar
BadDogKuzz
Postmaster
Joined: Dec 2010
Posts: 2,951
Likes: 4
From: Gary,Indiana
Karl what do your SCA's look like? And here is a good read on coolant. Diesel Engine Cooling System - Diesel Power Magazine But I myself am not a fan of the Evans NPG+ coolant. But some have had good luck with it. Also I see you used the NapaCool and I have used it and end up having to play with the SCA's alot. The NapaCool is a DC-2 if I recall correctly. And Ford's additive is a DC-4 or DC-6 formula which I have had better luck keeping my SCA's stable and not all over the place.
 
Reply
Old May 12, 2013 | 12:36 PM
  #6  
pYr8's Avatar
pYr8
Thread Starter
|
Senior User
Joined: Jun 2011
Posts: 142
Likes: 0
From: Huntsville, TX
@BadDogKuzz- No idea on the SCA's, haven't got test strips yet.

As I get it from reading around the net and getting way more educated on coolants than I ever anticipated, the NapaKool is made by Wix and is Nitrite based, a DCA2. Ford's is made by Fleetguard and is DCA4, with Nitrite and Molybdate.

I'm not sure what the PO was using before, I didn't get the maintenance records. It seems as though he used the Ford dealer's here and therefore probably was running the DCA4. Seeing as I used the DCA2 & didn't flush the system, I suppose I now have a mix. Seeing as I used the "all purpose, mix with anything" wally world AF, I'm assuming I have silicates coursing through my trucks veins.

Seeing as I kinda went into this blind, I think I'll spend a day soon here and do a big ol' flush of the system. There a few truck stops in town, hoping one of carries Delo ELC or another quality EC-1 spec coolant. Anyone think there a need to use Motorcraft® Premium Cooling System Flush when I do this?.

The ol' girl has 223k on her & I'd hate to be the one that puts her in the hospital.
 
Reply
Old May 12, 2013 | 07:50 PM
  #7  
BadDogKuzz's Avatar
BadDogKuzz
Postmaster
Joined: Dec 2010
Posts: 2,951
Likes: 4
From: Gary,Indiana
Originally Posted by pYr8
@BadDogKuzz- No idea on the SCA's, haven't got test strips yet.

As I get it from reading around the net and getting way more educated on coolants than I ever anticipated, the NapaKool is made by Wix and is Nitrite based, a DCA2. Ford's is made by Fleetguard and is DCA4, with Nitrite and Molybdate.

I'm not sure what the PO was using before, I didn't get the maintenance records. It seems as though he used the Ford dealer's here and therefore probably was running the DCA4. Seeing as I used the DCA2 & didn't flush the system, I suppose I now have a mix. Seeing as I used the "all purpose, mix with anything" wally world AF, I'm assuming I have silicates coursing through my trucks veins.

Seeing as I kinda went into this blind, I think I'll spend a day soon here and do a big ol' flush of the system. There a few truck stops in town, hoping one of carries Delo ELC or another quality EC-1 spec coolant. Anyone think there a need to use Motorcraft® Premium Cooling System Flush when I do this?.

The ol' girl has 223k on her & I'd hate to be the one that puts her in the hospital.
Well since you have a mix of coolants in your engine and you plan on flushing it I would use the Ford VC9 to get the block nice and clean so you get a fresh start. That is what I plan on using when I get to the point of flushing my coolant system. And going with a ELC coolant will make your coolant sytem happy.
 
Reply
Old May 12, 2013 | 11:13 PM
  #8  
pYr8's Avatar
pYr8
Thread Starter
|
Senior User
Joined: Jun 2011
Posts: 142
Likes: 0
From: Huntsville, TX
Is the VC9 the flush additive I noted? I just pulled that from a Ford site.
I've been a gasser or alky for 37 years +/- when building all my projects, diesel not so much, trying to learn here, so I hope folks don't think I'm a dope on vehicles.

Please let me know what I'm doing wrong! As a great teacher I once had said, "The only stupid question is the one that is never asked"...

Thanks
 
Reply
FTE Stories

Ford Trucks for Ford Truck Enthusiasts

story-0

Ford's 2001 Explorer Sportsman Concept Looks For a New Home

 Verdad Gallardo
story-1

10 Best Ford Truck Engines We Miss the Most!

 Joe Kucinski
story-2

2026 Shelby F-150 Off-Road: Better Than a Raptor R?

 Brett Foote
story-3

2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!

 Michael S. Palmer
story-4

10 Most Surprising 2026 Ford Truck Features!

 Joe Kucinski
story-5

Top 10 Ford Trucks Coming to Mecum Indy 2026

 Brett Foote
story-6

5 Best / 5 Worst Ford Truck Wheels of All Time

 Joe Kucinski
story-7

Ford Super Duty: 5 Things Owners LOVE, 5 Things They LOATHE!

 Joe Kucinski
story-8

Every 2026 Ford Truck Engine RANKED from WORST to FIRST!

 Michael S. Palmer
story-9

The Best F-150 Deal of Every Trim Level (XL through Raptor)

 Joe Kucinski
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
DieselDenny
6.4L Power Stroke Diesel
4
May 8, 2017 07:13 PM
jaxmark
Escape & Escape Hybrid
7
Feb 2, 2011 09:51 PM
Robert6401
1999 - 2003 7.3L Power Stroke Diesel
6
Nov 24, 2010 11:41 AM
paulkcbulm
6.0L Power Stroke Diesel
10
Aug 30, 2010 09:50 PM
bowdeadly
1999 - 2016 Super Duty
2
Sep 9, 2007 07:33 PM




All times are GMT -5. The time now is 08:27 PM.

story-0
Ford's 2001 Explorer Sportsman Concept Looks For a New Home

Slideshow: Ford's bizarre fishing-themed Explorer concept has resurfaced after spending decades largely forgotten.

By Verdad Gallardo | 2026-05-12 18:07:46


VIEW MORE
story-1
10 Best Ford Truck Engines We Miss the Most!

Slideshow: The 10 best Ford truck engines we miss the most.

By Joe Kucinski | 2026-05-12 13:09:47


VIEW MORE
story-2
2026 Shelby F-150 Off-Road: Better Than a Raptor R?

Slideshow: first look at the 810 hp 2026 Shelby F-150 Off-Road!

By Brett Foote | 2026-05-12 12:50:07


VIEW MORE
story-3
2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!

Slideshow: Everything You Need to Know about the 2027 Super Duty Carhartt Package!

By Michael S. Palmer | 2026-05-07 17:51:06


VIEW MORE
story-4
10 Most Surprising 2026 Ford Truck Features!

Slideshow: 10 most surprising Ford truck options/features in 2026.

By Joe Kucinski | 2026-05-05 11:17:22


VIEW MORE
story-5
Top 10 Ford Trucks Coming to Mecum Indy 2026

Slideshow: Here are the top 10 Fords coming to Mecum Indy 2026.

By Brett Foote | 2026-05-04 13:49:49


VIEW MORE
story-6
5 Best / 5 Worst Ford Truck Wheels of All Time

Slideshow: The 5 best and 5 worst Ford truck wheels of all time

By Joe Kucinski | 2026-04-29 16:49:01


VIEW MORE
story-7
Ford Super Duty: 5 Things Owners LOVE, 5 Things They LOATHE!

Slideshow: Ranking the 5 things owners love about their Super Duty and 5 things they don't

By Joe Kucinski | 2026-04-29 16:36:49


VIEW MORE
story-8
Every 2026 Ford Truck Engine RANKED from WORST to FIRST!

Slideshow: Ranking all 12 Ford truck engines available in 2026.

By Michael S. Palmer | 2026-04-22 13:32:20


VIEW MORE
story-9
The Best F-150 Deal of Every Trim Level (XL through Raptor)

Slideshow: The best Ford F-150 deal for every trim level (XL through Raptor)

By Joe Kucinski | 2026-04-21 15:59:01


VIEW MORE