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13b header for 12a

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Old 06-02-06, 05:28 PM
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13b header for 12a
got a hold of a rb header from a 84 rx7 13b and want to put it on my 83 12a. Will this work? If not who wants to buy it? First tell me if it will work before you start asking about buying it.
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Old 06-02-06, 05:41 PM
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It can be made to work if you are willing to cut the flange and adjust the spacing...
If not I'm interested in buying it.
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Old 06-02-06, 05:51 PM
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this is what it is but does not state engine

Streetable Header/Collector
84-85 GSL-SE


Part Number: 16013
Retail Price: $225.00
Qty:







1984-85 RX-7 (GSL-SE) Streetable Header/Collector*
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Old 06-02-06, 06:59 PM
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SE is the 13B engine.
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Old 06-02-06, 07:08 PM
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Yes but the housings are the same are they not? and what about the exhaust manifold bolt location and exhaust port sixe, are they the same?
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Old 06-02-06, 07:16 PM
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The 13B has bigger housings than the 12A; therefore, the space between the exhaust ports is bigger.
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Old 06-02-06, 07:46 PM
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Well ****........I guess I got to sell it. $100 plus shipping or an a/c compressor and lines for a 83 rx7 12a
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