DUAL Heat Exchangers for 68 Camaro

[MAGONSTERZ68]

Thoughts?
Pros and cons of running a dual air to water heat exchangers.
Currently has C&R full sized heat exchanger made for 68 camaro, sandwiched between Vintage air condenser and Entropy radiator.
https://www.pwrna.com/product/chevro...-air-condenser,

​https://entropyrad.com/product/1967-...iABEgJtavD_BwE
26 × 10 × 36 in with a pair of spall 11' fans 3k cfm on entropy rad

Was looking to run one more smaller one in lower valance in parallel, each with their own pump.
CX racing heat exchanger 17x7.5x2
https://www.cxracing.com/HE009?search=17x7.5x2



Plan to run in parallel by splitting with y off of reservoir entering pumps to heat exchangers then join both back to one line back into whipple intercooler brick.
Want to be as cool as possible during warm summer night cruising in 80 to 100 degree Cali desert weather, but not sure if mixing 1 dimensionally larger than the other will help or make little difference.

[srode]

What pump do you have and what add on pump are you planning on using? Your arrangement in parallel is going to put the 2 working against one another. Depending on the performance curves vs pressure you may end up with less gain than you want or even a loss in cooling due to reduced flow in the larger core. Also depending on your arrangement of the add on core it may end up restricting airflow over your existing stack and cause other cooling issues for the evaporator and radiator.

Seems to me you would be better off working on increasing flow through your existing core by improving it's performance either with better air or coolant flow, or both.

[andrewb70]

Thoughts?
Pros and cons of running a dual air to water heat exchangers.
Currently has C&R full sized heat exchanger made for 68 camaro, sandwiched between Vintage air condenser and Entropy radiator.
https://www.pwrna.com/product/chevro...-air-condenser,

​https://entropyrad.com/product/1967-...iABEgJtavD_BwE
26 × 10 × 36 in with a pair of spall 11' fans 3k cfm on entropy rad

Was looking to run one more smaller one in lower valance in parallel, each with their own pump.
CX racing heat exchanger 17x7.5x2
https://www.cxracing.com/HE009?search=17x7.5x2

Plan to run in parallel by splitting with y off of reservoir entering pumps to heat exchangers then join both back to one line back into whipple intercooler brick.
Want to be as cool as possible during warm summer night cruising in 80 to 100 degree Cali desert weather, but not sure if mixing 1 dimensionally larger than the other will help or make little difference.

I think you are going to add complexity and weight for unknown benefits. The C&R heat exchangers are very efficient. Why do you feel that it will not be up to the task of doing what you want it to do?

Andrew

[MAGONSTERZ68]

What pump do you have and what add on pump are you planning on using? Your arrangement in parallel is going to put the 2 working against one another. Depending on the performance curves vs pressure you may end up with less gain than you want or even a loss in cooling due to reduced flow in the larger core. Also depending on your arrangement of the add on core it may end up restricting airflow over your existing stack and cause other cooling issues for the evaporator and radiator.

Seems to me you would be better off working on increasing flow through your existing core by improving it's performance either with better air or coolant flow, or both.

Current pump is pump is https://daviescraig.com.au/product/e...s-12v-kit-9025.
Secondary I/C would be mounted in lower section in valance mitigating any air flow interference.
Additional pump would be the same, could i eliminate the two working against each other by using one to feed both on the down side and on on the back side for lift, creating and equal draw in and out of both regardless of the dimension?
OR
possible to run in series since the second one is 1/3 the size and wont create too much of a pressure drop?

[MAGONSTERZ68]

I think you are going to add complexity and weight for unknown benefits. The C&R heat exchangers are very efficient. Why do you feel that it will not be up to the task of doing what you want it to do?

Andrew

Saw some perf builds utilizing split intercoolers ran in parallel successfully, (should note both were equal size) have the room in lower valance with unobstructed path and summers are flippin brutal here and I'm no trailer queen.
Also CR is sandwiched between Dual Pass, 1" tube, Entropy Rad AND Vintage Air condenser that had zero issues keeping cool when was 525 hp N/A LS3.
Concerned addition of 1" thick intercooler between them will hurt the intercooler performance not so much the engine temps.
May explore option should IAT get abnormally high or see if there is a better dual fan combo.