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#1 |
Registered User
Join Date: Dec 2007
Location: Glendale, AZ
Posts: 156
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CPP Perches for an LS1 swap
Will these perches work for an LS1 swap into a 72 K10 (4WD) truck. I spoke with the folks at CPP twice and was given both "yes" and "no" answers. With that, I turn to the trusted resources at this board for a more direct answer. We have an LQ9 from a 2003 Silverado SS for our swap and want to keep the AC. The motor plates from S&P and Trans-dapt will not work due to a conflict with the AC bracket. We can not relocate the AC due to the Vortech blower with Intercooler. I would rather not give that up!
![]() I would appreciate any advice from those that have done the swap. Links with pics would be great as well!! Thanks! |
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#2 |
Registered User
Join Date: Dec 2007
Location: Glendale, AZ
Posts: 156
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Re: CPP Perches for an LS1 swap
Any ideas?
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#3 |
Registered User
Join Date: Dec 2007
Location: Glendale, AZ
Posts: 156
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Re: CPP Perches for an LS1 swap
Is anyone reading this post or is it just me...
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#4 |
Chasin' the Dream
Join Date: Mar 2008
Location: Lost in the 70's
Posts: 200
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Re: CPP Perches for an LS1 swap
No clue here, dude. Sorry
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#5 |
Prestige Worldwide
![]() Join Date: Feb 2001
Location: Worldwide
Posts: 2,553
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Re: CPP Perches for an LS1 swap
I think some of the guys on the board have used the ones from Early Classic, give them a try. www.earlyclassic.com
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#6 |
Registered User
Join Date: Dec 2007
Location: Glendale, AZ
Posts: 156
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Re: CPP Perches for an LS1 swap
Thanks. I'll check out those ECE mounts and see if they will work on the K series.
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#7 |
Questionable
Join Date: Mar 2005
Location: Atlanta
Posts: 13,376
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Re: CPP Perches for an LS1 swap
i really don't know, but i'll tell you what i told boardmember 5150 on the phone the other day...there are two framerail heights for our trucks (at the crossmember). 5.5" and 6".
if you have the 6" tall crossmember, i would without a doubt go ECE. all ECE gives you is a '73-'87 engine perch and urethane mount, and a custom clamshell that will attach that stock mount to a GenIII block. four mount holes are required; two are already on the framerail, you will need to drill either one or two holes on the crossmember, depending on your framerail height in most cases (6" tall = 1 hole, 5.5" = 2 holes). the mount isn't for looks, it is for function, beefy, very similar to ECE's auto tranny crossmember, which, once hammered in, is a bear to get out IMO. the ECE mounts, in stock position, will put a GenIII block about 2-3" farther forward than stock, which can make for some clearance woes up front (put mine and a couple other people's about 6" from the radiator...after 2" thick fan, make that 4", then figure in radiator hoses, water pump clearance, and the intake+MAF and ... it gets tight fast) the CPP mount is tubular, and i believe it is held by two bolts on top of the framerail, and one bolt in the crossmember. I might be wrong. i am interested to know the position it puts the motor in, personally. there are always adapter plates out there as well. Using a stock V8 mount, if it has the single-bolt-through-the-rubber-bushing setup like the '73-87 trucks, you could just get a couple of nice adapter plates and save $100-$150 and not worry about compatibility, paying CPP or ECE money, etc. ATS makes plates, i'm sure a hundred other people might also ... and i think CPP sells just the plate you mout to the block by itself, but might be wrong.
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