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04-24-2010, 02:35 PM | #1 |
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Join Date: Sep 2004
Location: Elkins, West Virginia
Posts: 2,542
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ls1 motor mount adapter plates
i'm trying to sloooowly gather up the parts needed to do the swap (someday), so far i have the larger radiator installed, better set of rear gears installed (3:42 posi), and have bought a 91 burb gauge cluster
just wandering if these mounts work? these are the thicker one's http://cgi.ebay.com/ebaymotors/ws/eB...K%3AMEWAX%3AIT these are the thinner ones: http://cgi.ebay.com/ebaymotors/ws/eB...K%3AMEWAX%3AIT i was up late a few nights ago ready through all the builds, and someone recommended these, but i'm too lazy to look through all those threads again is there any other parts, that you guys have done this already, would recommend stockin up on so i can have everything to do this? thanks
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1987 350 TBI lowered 5/7 Last edited by bigarmzz; 04-24-2010 at 02:40 PM. |
04-24-2010, 03:12 PM | #2 |
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Join Date: Feb 2007
Location: Texas
Posts: 469
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Re: ls1 motor mount adapter plates
Those mounts will work fine if you're planning to run the 700r4 or 4l60e trans. I ran the th350 with those style of mounts and it moved the motor too far from the trans. I ended up bying the S&P 1" setback adapters for mine. The S&P's made the motor sit up higher and gave me a little more exhaust clearance around the frame and control arm.
Start reading up on how you want to do you accessories if you don't already have them, I think which type you use affects if you can fit A/C equipment easily or not. Alternator wiring needs attention - you may have to run a resistor in the wire going to the plug. If you're gonna use a Th350/400, you may have to change the flexplate and/or get a pilot spacer/adapter(if you don't buy a custom LS1/Th350 torque converter). You going carbureted or sticking with EFI?
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1982 Silverado - SBE, cleaned up GM heads, small cam, TH350, 850 Demon, 4.56 gears, and caltracs. Best time so far 11.8@XXXMPH |
04-24-2010, 03:15 PM | #3 |
Next project: 1970 K10
Join Date: Feb 2004
Location: Fort Collins, Colo 80524
Posts: 6,684
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Re: ls1 motor mount adapter plates
Actually, the top link is the thinner ones (5/16"), Use those. Go back through my build thread. There is a post in there with all the parts, numbers, prices, and places to buy of the parts that I used.
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Bob 1970 Chevy K10 LWB "Goldie" 350/TH350 next project!! 1981 Chevy C10 LWB 355/TH350 - My son's truck LS SWAP FORUM! Tons of LS swap info here! PLEASE CLICK HERE TO SUPPORT THE GREATEST BOARD ON THE NET! CLICK HERE FOR THE FAQ INDEX by KRUE |
04-24-2010, 03:46 PM | #4 | |
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Join Date: Sep 2004
Location: Elkins, West Virginia
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Re: ls1 motor mount adapter plates
well i currently have a 700r4, so i shouldnt have any problems with needing to go an inch further or back....
Quote:
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1987 350 TBI lowered 5/7 |
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04-24-2010, 03:47 PM | #5 |
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Join Date: Sep 2004
Location: Elkins, West Virginia
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Re: ls1 motor mount adapter plates
cool, so the thinner ones are the better ones.....i started going back through your thread last night.....man has it grown!...my eyes were getting tired trying to find the info i was looking for
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1987 350 TBI lowered 5/7 |
04-24-2010, 11:04 PM | #6 |
Formerly- 1972SuperCheyenne
Join Date: Oct 2008
Location: Wake Forest NC
Posts: 5,782
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Re: ls1 motor mount adapter plates
I used the thicker ones on my 6.0/4l80e swap. They worked perfect and the enging sits high enough that the truck pan doesnt hang below the frame but maybe 1/4 inch. I am sure either one will work. The ones I used also left the engine in the stock location and didnt move it forward or back. I was also able to use the factory driveshaft with the yoke from the 4l80 and a conversion joint.
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--Josh My Build Thread:http://67-72chevytrucks.com/vboard/s...d.php?t=799218 A good crossthread is better than Loctite any day. Life is not about what you have, but who you have to share it with. |
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