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Old 10-09-2006, 05:38 PM
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86 Suburban

Hey guys,My old man has a 1986 Chevy suburban with a 350 which recently locked up. so ive got a 327 im gunna put in there and i was wondering if the exhaust manifolds will bolt up to the 327.

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Old 10-09-2006, 07:28 PM
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yes they`ll bolt up, however, the 327 doesn`t quite have the torque of a 350 to move a heavy suburban, If the 327 is stock, I would add a RV camshaft and a double roller timing set, this would give it more torque so the smaller 327 wouldn`t have to work so hard to get the vehicle moving.
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Old 10-09-2006, 08:08 PM
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thanks. ya i know it will be short on torque but its just a temporary fix
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Old 10-10-2006, 11:16 AM
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Need You A Good 383 In It For The Long Haul.
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Old 10-11-2006, 07:14 AM
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Thanks for the replies. also i have run into another problem the 327 heads don't have any accessory holes i was wondering if you can drill and tap new holes or will I hit a water jacket or something. or is there something else i can do or am i just outta luck.
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Old 10-11-2006, 01:29 PM
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I had a pair once that had been drilled, they worked fine. I didnt drill them but it did work. in one of the heads they did hit water but it worked as long as the bolt was in it.
Hope this helps.
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Old 10-11-2006, 04:05 PM
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Thanks SBC. Is this something i can do myself or should i have a machine shop do it. Will a regular tap work to cut threads on cast iron
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