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Old 11-13-2002, 02:19 PM
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Post 350 crate engine

I bought a 4 bolt main crate 350 engine ('71-'85) from the dealer today and am mounting a rebuilt 700r4 behind it. I just ordered an Eldelbrock 2701 manifold and 600 cfm Eldelbrock carb. I've searched this forum and read that once installed, the engine should be revved to 2500rpm for 15-20 mins for break in, drain and replace the oil and filter. Should I re-torque the heads? Is there anything else I should do?

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Old 11-13-2002, 03:30 PM
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15 to 20 minutes is break in time for the cam. However i feel the engine needs more time to fully saturate the heat before you retoqure the heads. I like to closely watch the temp and let the engine run for 30 minutes at speeds form idle to 50. as in go drive around town for 30 minutes. I would allow the engine to cool over night ,check the toqure and again run it at temp again for 30 minutes. If everything looks good then drive it normally varing speeds up to 55 for 500 miles.At 500 miles i would then change the oil for the frist time. You will find there are many opinions as to how to do this. This way makes the most sense to me. Good luck and congratulations on the new motor. Will you let me know how the 2701 manifoild works for you?
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Old 11-13-2002, 05:58 PM
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I'm an Edelbrock fan. In 1990 I put a crate 350 in my '40 coupe. I installed part number (at that time and looking at the invoice) Performer manifold 2101 and a 1405 600 CFM Man/Choke carb. It fired right off. Took it to a friend with instrumentation for very little final adjustment. That set up has not been touched todate. good luck, r
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