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08-05-2009, 12:20 AM
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#1 |
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Registered User
Join Date: Jul 2008
Location: san jose ca
Posts: 467
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ls1 swap clearance problems help
i have a 70 short step and trying to swap in a 01 ls1 f body motor using s&p motor plates and the stock sbc rubber mounts,and im having some clearance problems. first, the point on the s&p plate hits the ac comp brkt. so i had to take that off just so i could mount the plate to the block. second, the oil pan hits the crossmember and i only need to move the motor back about an 1" to 1.5" to clear it. can i unbolt the factory perch's wich are mounted in the front holes, move them back and drill new holes?any issues doing that, if i do that will my nice new thorley headders still work? thanks in advance.
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08-05-2009, 01:35 AM
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#2 |
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Just Not Low Enough!
Join Date: Mar 2009
Location: Phoenix, AZ
Posts: 525
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Re: ls1 swap clearance problems help
i dont see why not....someone will chime in who has done it...
__________________
NEED ELECTRICAL HELP? ASK ME! 67-72 Full Wiring Diagrams Lots Of Info, TAKE A LOOK 1967 Chevy C-10 Shortbox Bagged 327 4spd  Previous: 1971 Chevy C-10 Short Sep I6 Auto (Traded) 1973 Chevy C-20 *THE REDNECK BATTLE TRUCK* 2001 Chevy Silverado 2Dr 5.3L Shortbox. R.I.P. 1969 Volkswagen Bug This is my first meeting, I have a horsepower problem. |
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08-05-2009, 01:46 AM
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#3 |
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Registered User
Join Date: Nov 2008
Location: Lake Havasu City, AZ
Posts: 52
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Re: ls1 swap clearance problems help
Check out the Post "Time to ask the experts" by Mikeys68. It might answer 1 of your questions.
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08-05-2009, 08:28 AM
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#4 |
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Registered User
Join Date: Jul 2008
Location: san jose ca
Posts: 467
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Re: ls1 swap clearance problems help
thanks any 1 else
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08-05-2009, 11:55 AM
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#5 |
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Registered User
Join Date: Sep 2005
Location: sc
Posts: 1,203
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Re: ls1 swap clearance problems help
Which mounts/plates did you get from them?
I am using the trans dapt plates with stock stands and Poly bushings and everything clears just fine. I would guess you need the other style plates they have.
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71 Cheyenne C10 LWB cam'd 6.0/T56 Swap |
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08-05-2009, 01:21 PM
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#6 |
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Registered User
Join Date: Jul 2005
Location: east longmeadow, MA
Posts: 540
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Re: ls1 swap clearance problems help
sorry to hi-jack the thread, but what is the part # for the those trans dapt plates shon? and 1moretoy if you cant find a good answer on here (which i know i've read about this somewhere on here.) try either searching for ls1's in a thread or try ls1tech.com
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67 small windowed,shortbed,fleetside, sbc 327, th350,12 bolt :under the knife: 71 cab for sale in parts classifieds! 2004 black chevy 1500 "finish your beer, theres sober kids in india!" 
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08-05-2009, 01:28 PM
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#7 |
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Registered User
Join Date: Sep 2005
Location: sc
Posts: 1,203
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Re: ls1 swap clearance problems help
4572
$60 shipped from Herron Performance
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71 Cheyenne C10 LWB cam'd 6.0/T56 Swap |
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08-05-2009, 01:56 PM
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#8 |
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Registered User
Join Date: Aug 2006
Location: North Idaho
Posts: 24
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Re: ls1 swap clearance problems help
That is about the same setup I have. I slid the motor back and redrilled the holes. My Thorley headers fit fine. Haven't fired it up yet.
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69 C-10 in progress |
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