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Location: Hartsville, SC
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Early heat exchangers

Are all the heat exchangers from 1970-74 the same regardless of whether they were used on carburetor, MFI or CSI engines? Are the mufflers interchangeable?

Jack

Old 08-20-2005, 03:14 AM
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There were differences in material, more stainless steel was used as the years progressed, early ones tended to rust away. The steel in the outer box was intended to rusr befiore the inner so a visual is usually a good way to evaluate them.

The '72 on MFI cars had a heat stove connection for the MFI t-stat heater on the drivers side box.



There were some really strange looking ones used for EGR on Ca. cars


pipe size and collector spacing was the same on all years, mufflers are interchangeable thru '73. '74 muffler has a slightly different exit design
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Old 08-20-2005, 04:53 AM
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Terrific information Bill. I really appreciate it.

Jack
Old 08-20-2005, 05:55 AM
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seeing those "reactors"....brings a tear to my eye.....they just don't build 'um like that anymore !
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Greg....PCA, 356 Registry, 912 Registry
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Old 08-20-2005, 06:46 AM
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Quote:
Originally posted by darkbeer
seeing those "reactors"....brings a tear to my eye.....they just don't build 'um like that anymore !
Fortunately for us

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Old 08-20-2005, 06:52 AM
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