Early 1958 430 rebuild

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RocketdyneF1
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Early 1958 430 rebuild

Post by RocketdyneF1 » Sun 14. May 2017, 12:08

I´ve finally started to rebuild my early 1958 430 MEL engine. Its out of a 58 model Lincoln buildt in October 1957. Since I dont need it quickly done because I only have the engine (I dont have the Lincoln, or any car for this engine), and its the first time I try to rebuild an engine, its probably gonna take a while until its running again. I plan to restore it to stock specs, with 2 exceptions. Firstly I upgraded the stock distributor with a Pertronix transistor, and secondly the stock 4-barrell intake and carb will be replaced by a correct reproduction of the factory 1958 Super Marauder Tri Power system. I´ve already modified the distributor and bought the tri power system, and yes, it was expensive ;)
Here are some pics of it during disassembly.
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The early 1958 blocks, like mine, have a slightly lower deck height than the later 1958 to 1960 blocks (10.462" vs 10.482") and thus, the early engines have a higher compression ratio (10.5 : 1 vs 10.0 : 1).
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The early 1958 heads are also slightly different than the later 1958 to 1960 heads. The early ones have very large 2.80" x 1.30" intake ports and 2.15" intake valves, the later ones have still large 2.70" x 1.30" intake ports and 2.09" intake valves. But there are no differences on the exhaust side, as the port size stayed at 1,90" x 1,23" and the valve size stayed at 1,78".
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I´ll update this post with more photos as the work continues.
Last edited by RocketdyneF1 on Wed 21. Jun 2017, 09:22, edited 2 times in total.
1977 Pontiac Firebird Trans Am
1958 430 MEL V8 without car

RocketdyneF1
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Posts: 6
Joined: Thu 8. Aug 2013, 02:29
Gender: male

Early 1958 430 rebuild

Post by RocketdyneF1 » Mon 15. May 2017, 08:42

Here are some more pics.
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The very cool Tri Power system
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And the modified distributor
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1977 Pontiac Firebird Trans Am
1958 430 MEL V8 without car

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Theo
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Re: Early 1958 430 rebuild

Post by Theo » Mon 7. Aug 2017, 01:01

Great shots. Thank you for sharing.
Best regards
Theo
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