Upgrading heat exchanger and fluid pump for super charger - Dodge Challenger Forum: Challenger & SRT8 Forums
Forced Induction From Blowers to Turbos

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post #1 of 41 (permalink) Old 05-22-2019, 05:20 PM Thread Starter
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Upgrading heat exchanger and fluid pump for super charger

Hi guys just recently forged my 392 and bought the 2.75 pulley for my edelbrock sc. Talked with dyno shop today said motor internals were working perfect but my iat was getting to hot and lowered my numbers big time. Said heat exchanger and pump did not deliver to get good results. Running the stock heat exchanger and pump from edelbrock. I dont want to go the meth route tried it on my sc truck dont like it not gonna purchase a chiller killer. Any thoughts on a better heat exchanger and high flow pump to cool these temps down ?
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post #2 of 41 (permalink) Old 05-22-2019, 06:09 PM
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I thought the chiller killer was not meant for continuous operation but just for cooldown after a drag run? Which edel kit did you get...151720 with the Eaton TVS R2650? If so, it is supposed to have a better cooling setup than the previous 2300 blower. BTW if you did not purge all the bubbles out of the intercooling system you IATs are gonna run higher than normal.

I am not family with the edel pulley sizes but if your 2.75" pulley is capable of producing >7lbs of boost you do not want to install it if you are not running forged internals.


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post #3 of 41 (permalink) Old 05-22-2019, 08:50 PM Thread Starter
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Well for that system the 2.75 is for 12 psi. Iam looking for a better option than stock edelbrock parts
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post #4 of 41 (permalink) Old 05-23-2019, 07:56 AM
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I hope you are not putting this on a stock 6.4. If so, don't even attempt to run 12psi on that motor...it will not survive for very long!
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post #5 of 41 (permalink) Old 05-23-2019, 08:51 AM
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Quote:
Originally Posted by srt8finallymine View Post
Hi guys just recently forged my 392
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Originally Posted by ChallyTatum View Post
I hope you are not putting this on a stock 6.4. If so, don't even attempt to run 12psi on that motor...it will not survive for very long!
I think he is fine.
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post #6 of 41 (permalink) Old 05-23-2019, 12:04 PM
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I think he is fine.
Yup.
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post #7 of 41 (permalink) Old 05-23-2019, 02:43 PM Thread Starter
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Ha ya its forged. So before the forging and at 7 psi had 600 whp 540s rwt. after forging at 6700 rpm 590 whp 586 rwt but...... across the whole board I had picked up 50 whp and 100 rwt but lost it at 5500 rpm. guys at the shop said if it was not pulling all the timing out at 5500 rpm would have been at 650 and 630. cuz of this heat problem its losing all the progress. And chally I got the old school setup tvs2300 it's on a 2012 392 challenger
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post #8 of 41 (permalink) Old 06-11-2019, 09:25 PM Thread Starter
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So I kept the stock edelbrock heat exchanger and bought the emp Stewart w29 pump reprogrammed for the higher output. U have to mount it a certain way cant do it upside down like the Bosch but I work in a custom fab shop so making a sturdy bracket outta 10 gauge ain't nothing. WOW what a difference in flow that Bosch pump barely flowed compared to this thing You take the cap off and coolant is exploding out of the recovery tank.On my first drive to test pump out I noticed a difference in power right off the bat with no retune. Just took car back to dyno shop tonight.
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post #9 of 41 (permalink) Old 06-11-2019, 10:00 PM
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I never thought the flow of the Bosch pump on my maggie set-up was lacking. In fact, I thought the flow was a bit much to allow sufficient heat to be dissipated through the intercooler radiator. One of my biggest problems was getting ALL of the bubbles out of the system which I finally did by extensively bleeding the system...went through a gallon of coolant doing it too. Once I had the system was sufficiently bled my IAT stays around 30F above ambient.

If anything, I am tempted to throw another heat exchanger up front like Luke has.


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post #10 of 41 (permalink) Old 06-12-2019, 11:46 AM Thread Starter
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Ugh wish I would have thought of that I see it bottom right, well i still can later but wont have it retuned. Chally I haven't searched dyno numbers on a ( oem or sold with a kit pump) as in before and after iats or hp numbers but did look at flow charts if you go on to Google search and type legenfelter pump test the Bosh did the worst barely on the board.
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  Dodge Challenger Forum: Challenger & SRT8 Forums > General, Performance, and Technical > Performance Modifications > Forced Induction

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