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Old 09-08-2007, 08:20 PM   #1
mudmilitia
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86 goodwrench 350 question

I picked up 350 Goodwrench motor approx 1986. My truck is 1970 gmc 4x4 350sbc sm465 np205... My flywheel will not bolt up . newer block has 2 piece rear main seal. is possible to use this motor ??? new flywheel? adapter? or sell it,get older motor, that will bolt up.
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Old 09-09-2007, 12:37 PM   #2
Jtrux
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Re: 86 goodwrench 350 question

New flywheel is in order. Our original motors are internallly balanced and those externally balanced (hopefully i'm not backwards).
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Old 09-09-2007, 11:22 PM   #3
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Re: 86 goodwrench 350 question

Just buy a flywheel of the same size as old one for the new motor. Then it is a drop in.
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Old 09-10-2007, 06:38 PM   #4
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Re: 86 goodwrench 350 question

thanx for reply
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Old 09-21-2007, 06:07 PM   #5
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Re: 86 goodwrench 350 question

got brand new fly-wheel. Advanced auto $86.00. Fits perfect!
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Old 09-23-2007, 02:01 AM   #6
Jtrux
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Re: 86 goodwrench 350 question

glad to hear it worked out.
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1977 Ford F100 2x4 LWB 1st truck I owned, still have it!!!

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1971 Chevy Blazer 350 / SM465 / NP205 UNDER CONSTRUCTION Soon to have a LQ4 6.0!!!
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