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10-10-2014, 02:49 PM
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#1 |
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Registered User
Join Date: Nov 2010
Location: Rustville USA or southeast Ia
Posts: 654
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Hard start after engine warms up
I've asked this before but have tried a few different things. So I swapped the 305 in my truck out for a mild 350 and it hasn't been drivable since. Engine will start and run pretty good but once it's been ran awhile it will turn over super slow. I've tried a newer battery, I've had my starter rebuilt and i've bumped my initial timing down to 12 degrees. Then engine is pretty mild stock bottom end a mild cam dual plane intake headers etc.. so I don't think it that's I need a mini starter. Anybody have any suggestions/is there a way to test the starter wiring?
__________________
Rust is better than rice. 
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10-10-2014, 03:37 PM
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#2 |
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Registered User
Join Date: Mar 2012
Location: edgartown mass
Posts: 852
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Re: Hard start after engine warms up
put a amp draw on it and see what you get. if i recall you should see 250-300 amps. more then that and something is wrong. do cold and hot. also could still be a bad starter with heat soak
__________________
1986 c20 "the hillbilly" 350 sm465 3.42gears 21mpg at 70mph 1985 k30 "the ice cream truck from hell" no rust az truck 197-8??? c30 "ramp truck" 454 1978 monte carlo 350 350th with 2.73 gears. no rust. sc car |
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10-10-2014, 06:14 PM
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#3 |
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Registered User
Join Date: Nov 2010
Location: Rustville USA or southeast Ia
Posts: 654
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Re: Hard start after engine warms up
Starter is a stock 350 starter with an aftermarket heat shield installed due to headers
__________________
Rust is better than rice.
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10-11-2014, 08:00 AM
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#4 |
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Registered User
Join Date: Mar 2012
Location: edgartown mass
Posts: 852
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Re: Hard start after engine warms up
heat shields dont always work the best. my 454 with headers and pto still give me a heat soak problem. better starter in in the works for that. may want a gear redution starter. have had good luck with them. i would still put the amp draw on it and see what you get. just cause the starter is rebuilt does not mean its good to go. **** happens.
__________________
1986 c20 "the hillbilly" 350 sm465 3.42gears 21mpg at 70mph 1985 k30 "the ice cream truck from hell" no rust az truck 197-8??? c30 "ramp truck" 454 1978 monte carlo 350 350th with 2.73 gears. no rust. sc car |
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10-11-2014, 12:40 PM
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#5 |
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Registered User
Join Date: Nov 2002
Location: lacenter, washington
Posts: 718
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Re: Hard start after engine warms up
Bad ground run a ground from frame too block
__________________
1978 c10 stepside 4/6 drop 350 vortec crate 2011 camaro ss2 6.2 automatic 2017 tahoe lt 2002 silverado lt 1500 5.3 automatic. 1981 el camino |
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