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RWD - B18/20 IPD header IS JUNK, THOW IT IN THE BIN.

Volvo RWD 120-130 Forum

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B18/20 IPD header IS JUNK, THOW IT IN THE BIN. 120-130 1967

I have to chime in if only to agree with the other posts--especially the ones urging not to cut up your combo cast iron manifold. I am collecting up the carb linkage for a parts customer and was glad to see he was using a '67 manifold. Making stepped washers is easy to accommodate a 544/122 aluminum manifold but why bother when you have a fine one to begin with. Dress up that combo manifold--powder coat it or simply paint it. The first manifold I painted with high temp black turned white with the first start-up and then run to full temp. What worked for me later was to paint it--let dry--run the motor briefly to get the manifold warm--let it cool -- then run it as normal. Looked great for a long time.
BTW--I have a spec sheet buried somewhere for stages of the B20 from "back in the day". Highest hp stage called for a stock FI exhaust (same as your combo exhaust) and a stock downpipe extended 4 inches before the merge to one. That one produced 190hp and run to 9,000 rpm. -- Dave






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New B18/20 IPD header [120-130][1967]
posted by  AndrewofPA  on Wed Aug 30 21:01 CST 2017 >

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