Eurocharged Rick

it should, and if you upgrade that, obviously you don't need to worry about that end...but what about the intercooler under the supercharger? without upgrading that, you might be facing the same dilema...

it would be nice to see some temps of before and after if anyone you know has OBDII scanner that is capable of reading all of the engine sensors...otherwise you are shooting in the dark

Vomit

This is a great question. Maybe the next person to do the swap can take a hacksaw to the old pump and see what failed.

In any case, I noticed three things when replacing my C32 pump:

1. The pump in the C32 sits horizontally. Seems to me that this puts more stress on the impeller blade/shaft than if the pump were mounted vertically. Maybe Ford mounts the pump vertically in the Lightning?

2. Care has obviously been taken by MBZ to try to isolate the pump from vibration by the use of rubber mounts and sleeve, which tells me that MBZ realized that vibration would cause stress on the pump. We all know that the C32 motor is not the smoothest beast in the world. Maybe MBZ didn't do enough to isolate the pump, and maybe Ford did.

3. The C32 pump is fairly exposed to the elements, including road grit and rain water. The pump is sealed, however, so I can't see how this would matter.

Any thoughts?

C32AMG_FL.

here is another great upgrade pump (jabsco part# 50830) it pumps up to 120 lpm and has 1" female npt. it is also has a great price.

http://store.wmjmarine.com/51-0019.html

bViC

im replacing mine with the lightning one, i will post pics of the whole procedure, and take the bad one apart and take some pics of it.

C32AMG_FL.

If thats the one u want let me know i'm a parts manager at a Ford dealership and i can get u one.

Trekman

how much can you get me one shiped to the bay area. PM me

STLTH_AMG

Thanks for the great write-up Vomit. Very clear and straight to the point instructions.. Cheers!!

I just received my pump yesterday and I’m about to start working on it. The only question I have is what and where is the liquid source for the pump refilled. This is step 9 in the instructions. Is it the coolant liquid that I need to refill?

Again, thanks for the great write-up!!! You and 1fastc32 deserve an award for this great find!!!!

Vomit

My pleasure. These cars aren't that expensive or difficult to maintain with some smart corner-cutting.

If your car is stock, your coolant reservoir is what you will need to refill after replacing the pump.

If you have Evo mods, then you would refill the windshield washer reservoir.

Good luck.

m444

My pump, just failed, and was replaced under warranty, 33k miles, 2003 C32.

When pump goes, it's pretty obvious. After driving for a little bit in/out of
boost, it suddenly feels like the car has asthma, no power at all, feels like a clogged catalytic converter.

Yes, on the mounting, there is probably a preferred orientation and vertical makes more sense than horizonal. Running Horizonal probably wipes out the bottom side of the bearing. Has anyone mounted the replacement coolant pump
vertical in a C32? How about contacting the manufacturer?

Vadim @ FD

Sorry to disappoint you gents, but Ford uses the same Bosch pump that is prone to failures.

It is cheaper to buy it from Ford dealer than MB dealer, but it is the same pump.

So far Johnson pump has been on my C32 for the last 33,000 miles and no failures. Whether it is better than Bosch - only time will tell.

p rossi

anyone know what the specs on our stock pumps are how much do they pump? If you increase the flow by a certain percentage..lets say 10% wouldent you need to increase the size of the heat exchanger the same amount?

Ted Baldwin

..............if the C32 and the Ford Lightning pumps are the same, then the C32 pump flow rate is 10gpm. I found the specs on Ford Lightning pump on the last page of this document. http://www.roushind.com/news_downloa...04-01-1252.pdf

Ted

Vomit

I considered the Johnson option. The flow stats on the Johnson are awesome, but the pump itself is relatively more expensive ($200+) and would require somewhat more work to install, as it would not fit the stock mounting hardware and, in fact, would presumably have to be relocated to some other area of the engine compartment. I think that the Johnson would be an awesome choice for anyone who was planning to try to upgrade the whole intercooler system with the idea of absolutely maximizing C32 performance. For the average guy with no mods or just a pulley/ECU, the Johnson pump is probably a little bit of overkill. After doing the Lightning install once, it is a 1/2 hour job, so when it goes out again (which it probably will in a couple of years) it will be a minor annoyance.

Ted Baldwin

..........sorry what are the flow bstats on the johnson ump. I don't hve a C32AMG, but I have a W208 CLK32K that I am interested in changing the water pump.

Ted

Vomit

It was 2-3x the flow of the Bosch pump, I don't remember exactly. Search the E55 forum, there was a long thread about it.

Ted Baldwin

............thanks. Where can I get the Johnson pump from?

Ted

Vomit

I think that was also in the thread. If you search and still can't find it, PM Vadim. He definitely has the part number.

Vadim @ FD

OK, let me refresh intercooler pump debate.

Johnson pump flows 6 times more than Bosch pump.

It should. It's outlet is 1.5'', Bosch's outlet is 0.75''.

If you have studies fluid dynamics you will understand.

If you did not, you will remember exponential function from physics.

If you were a dimwit in physics, than just remember that 90 is bigger than 15 by a factor of 6.



All kidding aside, Johnson pump needs a lot more hardware to make it fit MB vs. stock Bosch.

In the end unless you are at Stage II, do not worry about.

If you are at Stage II on C32, than you know who to call to make Johnson pump fit your car.

It is a simple as that.

Thank you for listening.

m444

Johnson seems to make lot of different pump models and not all of them flow a lot.

Here is one group of pumps:

http://www.johnson-pump.com/JPMarine...10_30_c090.htm

http://www.johnson-pump.com/JPMarine...10_30-C090.gif

The small CM10P7-1 16mm pump, looks to be about the size on the C32, the large C090P5-1 90mm model draws a lot of current and will need a much bigger relay. The CM30P7-1 20mm is probably a better fit for a C32, but still may need a bigger relay.

The large 90mm pump probably needs larger tubing and heat exchangers.

NOTE:

Important!
The pumps can be installed in optional position, horizontally or vertically.
To avoid air-locks when mounted horizontally, the
outlet should be turned in such a way that the it is directed upwards or is placed on the upper side of the pump body

If if one gets too low on cooler, so the pump gets an airlock, it's over for the pump.

TopGun32

Vomit,

do you have a website for Diversified Products?

I searched e-bay and right now I only 2 pumps for auction and 1 for $145 "buy now"

I have not called them yet, but I wanted to order online.

Vomit

No website. Just call them.

m444

Here is the Ford parts website and it does seem to have an electronic shopping cart:

http://www.buyfordracing.com/shop/pr...roducts_id=580

$99 for the pump

or here is the contact info:

http://www.buyfordracing.com/contact.php

I have bought things from these guys 5 years ago, they have the best prices.

TopGun32

thanks.. I'll place the order tomorrow morning.

Zeppelin

Dude, there $79 on ebay

Trekman

I'm just bored and wanted to know if anyone has or was thinking of adding another heat exchager? I know that the C32 has problems on hot weather and I know Evosport has one for the E55 but not for the C32. how much improvement do you think If I added a tube and shell heat exchangers? its gonna pre cool before it goes to the stock heat exchanger.