Topic: 1968 San Jose GT 390 Fastback Extra Cooling Package on Marti Report

[bullitt68]

Just curious what the Extra Cooling Package refers to on my Marti Report. Is that a heavy duty rad?

[RoyceP]

It means that your car had the clamp in type 24" three core radiator with shroud and the C8OE-B Clutch Fan. Which is a blessing because all of those parts are available as decent reproductions and reasonably common (but not cheap!) if you desire originals.

Just curious what the Extra Cooling Package refers to on my Marti Report. Is that a heavy duty rad?

[Bob Gaines]

The radiator and typically a different fan with a fan clutch.

The radiator and typically a different fan with a fan clutch on retrospect is more smallblock inclusive then needed given the title . The non extra cooling package 390 would still have the same fan , fan clutch and fan shroud . The only thing different on a 390 extra cooling package that I can think of that is the different radiator. The Radiator although the same frame size n a 390 would have a different number of cores that had a different number of  fins per inch for the extra cooling package.

[J_Speegle]

...........The Radiator although the same frame size n a 390 would have a different number of cores that had a different number of  fins per inch for the extra cooling package.

And in turn a different identification number

[preaction]

Are fins per inch listed anywhere for 68 applications I have seen them listed in the 69 shop manual but not in a 68 manual.

[bullitt68]

The radiator and typically a different fan with a fan clutch on retrospect is more smallblock inclusive then needed given the title . The non extra cooling package 390 would still have the same fan , fan clutch and fan shroud . The only thing different on a 390 extra cooling package that I can think of that is the different radiator. The Radiator although the same frame size n a 390 would have a different number of cores that had a different number of  fins per inch for the extra cooling package.

Thanks Bob. Another thing for me to try to locate

[bullitt68]

It means that your car had the clamp in type 24" three core radiator with shroud and the C8OE-B Clutch Fan. Which is a blessing because all of those parts are available as decent reproductions and reasonably common (but not cheap!) if you desire originals.

ThankS Royce. I picked up a Hayden fan, but I suspect that it is not correct. so I will try to source a correct one along with the rad, as my rad looks correct, but is a early service replacement like several other parts on my car

[RoyceP]

WCCC reproduces the C8OE-B fans. The fan clutch is also available as a very correct looking reproduction, or there is a Hayden replacement. See the 428cobrajet.com site for more info.

ThankS Royce. I picked up a Hayden fan, but I suspect that it is not correct. so I will try to source a correct one along with the rad, as my rad looks correct, but is a early service replacement like several other parts on my car

[bullitt68]

WCCC reproduces the C8OE-B fans. The fan clutch is also available as a very correct looking reproduction, or there is a Hayden replacement. See the 428cobrajet.com site for more info.

Great thanks Royce