Thread: Chev Small blk 2 blt vs 4 blt
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09-10-2019 01:28 PM #1
- Join Date
- Apr 2011
- Location
- Prairie City
- Car Year, Make, Model: 40 Ford Deluxe, 68 Corvette, 72&76 K30
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Which one is nicer to begin with? I'm meaning cylinder bores, cam journals, and main journals, straight decks, no rust etc? I've heard that a 2 bolt block with an aftermarket splayed 4 bolt main cap is stronger than a regular 4 bolt block. I've also ran more power through a 2 bolt block than some of the 4 bolt blocks I had. (Not that, that is a deciding factor) Those were early 010 blocks though. If one needs no machine work and one does, the one needing less money put into it may be the way to go. But in my mind the 4 bolt is cheap insurance. I guess I'm not much help.Ryan
1940 Ford Deluxe Tudor 354 Hemi 46RH Electric Blue w/multi-color flames, Ford 9" Residing in multiple pieces
1968 Corvette Coupe 5.9 Cummins Drag Car 11.43@130mph No stall leaving the line with 1250 rpm's and poor 2.2 60'
1972 Chevy K30 Longhorn P-pumped 24v Compound Turbos 47RH Just another money pit
1971 Camaro RS 5.3 BTR Stage 3 cam, SuperT10
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09-10-2019 02:29 PM #2
Either block will be sent to machine shop for cam bearings, line bore etc. Using
Scat rotating assembly with all other goodies for the HP. Already have a 383
with 2 blt main (Splayed) in another car, but my thinking was since I have the
4 blt main blk why not use it. Just looking for opinions before heading to the
mch shop.
I saw last night on fb about John. The world sure lost a great one. I'm going to miss his humor, advice, and perspective from another portion of the world. Rest in Peace Johnboy.
John Norton aka johnboy