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07-03-2018, 02:34 PM | #26 | |
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Join Date: May 2016
Location: Henderson NC
Posts: 975
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Re: Question about lS engine vs gen 1. SBC
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07-10-2018, 08:54 AM | #27 |
Garage wrench
Join Date: Feb 2008
Location: LaCrosse, WI
Posts: 1,856
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Re: Question about lS engine vs gen 1. SBC
That's great to hear. I've had several old small blocks in squarebody trucks with good results, but always dealt with leaks. But, after doing some research on this particular one, if I were to have one of these L31 small blocks in a square, I bet i'd love it. I had a '99 Tahoe in the past and that was great, didn't ever leak and had more than enough power to get around and tow. For the money and almost direct replacement aspect, that engine is tough to beat!
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-Adam 90 V1500 GMC Suburban 350/700R4/NP241..... 01 Saturn SL1 stock DD..... |
07-10-2018, 02:37 PM | #28 |
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Join Date: Jun 2016
Location: Phoenix, AZ
Posts: 574
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Re: Question about lS engine vs gen 1. SBC
Later 350 blocks with 1 piece rear seals seem to hold oil well. On my 2-piece rear seal block I upgraded to a 1-piece oil pan gasket and used the valve cover gaskets with the steel core and had zero leaks after that.
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87 R30 CC Dually, TBI 454, NV4500, zero rust barn find 87 Jeep Grand Wagoneer, 6.5 turbodiesel, 700R4 |
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