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08-27-2016, 09:18 PM
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#1 |
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BMW & ASE Master Certified
Join Date: Feb 2004
Location: Houston, Texas
Posts: 1,263
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Re: LT1 GenV swap
still gathering parts, modified the passenger side a/c and alternator bracket to and a/c only bracket. Simply cut off the excess, drilled the 3rd hole the rest of the way so it can then be bolted to the block. Factory has only 2 bolts, but since its there and is simple, why not.
I got the DirtyDingo LT to LS water pump adapters and for something that was engineered.. they missed the mark on the LT side of the flange.. the rectangle port is off center by about .05 and the width as wide as the gasket too.. the LS gasket is a perfect match. I called them about it and they said I was the first one to notice / complain about it. I cant see any reason it was not made to be centered in the gasket which matches the coolant port on the block ... I'm pretty sure it would work no problem... but I already drew up the LS and LT flanges in cad and made my own adapter a few months ago... I also want the adapter to be about .1 thinner. I sent it to a machine shop to see how much it would cost to get made. I know it will be more than 150 but if its not to much more, Ill just have it made and sell the DD ones. Still waiting on the BCM, BCM connectors, Cluster Connector, FPCM connector and Flex fuel sensor. going to order terminals for all of them so I can make a harness with out splices for a more quality product and less chance of a why is this not working... clint
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1987 Silverado - L83 5.3 w/ 6L80e ,A/C,P/W,P/L,TILT, HID projectors, Wilwood C-10 Pro Spindles w/ 2018 silverado front brakes & C-5 Corvette Rear Disc Brakes 1999 BMW 528i - 5.7 LS1 w/ 4l60e, Ford 8.8 IRS w31 spline posi & FX-r projector retrofit New project: 2006 BMW x5 6cyl AWD to L83 6l80e 4wd to 2WD / RWD A poor man buy's it twice finally got my domain name back, 87chevy.com.... site rework in progress |
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08-28-2016, 12:05 AM
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#2 |
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BMW & ASE Master Certified
Join Date: Feb 2004
Location: Houston, Texas
Posts: 1,263
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Re: LT1 GenV swap
added a pic of the adapter
 The other hole is also misaligned...  again close enough, but no cigar.
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1987 Silverado - L83 5.3 w/ 6L80e ,A/C,P/W,P/L,TILT, HID projectors, Wilwood C-10 Pro Spindles w/ 2018 silverado front brakes & C-5 Corvette Rear Disc Brakes 1999 BMW 528i - 5.7 LS1 w/ 4l60e, Ford 8.8 IRS w31 spline posi & FX-r projector retrofit New project: 2006 BMW x5 6cyl AWD to L83 6l80e 4wd to 2WD / RWD A poor man buy's it twice finally got my domain name back, 87chevy.com.... site rework in progress |
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09-26-2016, 01:57 PM
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#3 | |
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BMW & ASE Master Certified
Join Date: Feb 2004
Location: Houston, Texas
Posts: 1,263
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Re: LT1 GenV swap
Quote:
  CNC ported FTW  Can barley tell there's a transition from the adapter to the engine block ports!  Mmm 4 sets for sale.  Gonna source some m8x120 bolts and mock it up but it's exactly how thick I wanted it  Clint
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1987 Silverado - L83 5.3 w/ 6L80e ,A/C,P/W,P/L,TILT, HID projectors, Wilwood C-10 Pro Spindles w/ 2018 silverado front brakes & C-5 Corvette Rear Disc Brakes 1999 BMW 528i - 5.7 LS1 w/ 4l60e, Ford 8.8 IRS w31 spline posi & FX-r projector retrofit New project: 2006 BMW x5 6cyl AWD to L83 6l80e 4wd to 2WD / RWD A poor man buy's it twice finally got my domain name back, 87chevy.com.... site rework in progress |
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09-26-2016, 03:43 PM
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#4 |
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Registered User
Join Date: Apr 2014
Location: Azle,Texas
Posts: 2,248
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Re: LT1 GenV swap
Looks great Clint.... nice work.👍🏼
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10-15-2016, 03:20 PM
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#5 | |
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Registered User
Join Date: Mar 2015
Location: Windsor,Ontario Canada
Posts: 255
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Re: LT1 GenV swap
Clint, I was looking at getting a set of the DD Mounts but was quite honestly put off by the hard corners inside. I was going to do the same thing you are doing and Design and find someone to make me a Ported set. Then I figured I would do exactly like Holley did and design an adapter for their LS brackets to the LT.
Like I said in my last post I have used the LS brackets several times and have been extremely happy with them. Quote:
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01-25-2017, 02:27 PM
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#6 |
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Registered User
Join Date: May 2006
Location: North dakota
Posts: 15
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Re: LT1 GenV swap
Do you have any more of the water pump adapters?
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01-26-2017, 12:41 AM
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#7 | |
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BMW & ASE Master Certified
Join Date: Feb 2004
Location: Houston, Texas
Posts: 1,263
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Re: LT1 GenV swap
Quote:
__________________
1987 Silverado - L83 5.3 w/ 6L80e ,A/C,P/W,P/L,TILT, HID projectors, Wilwood C-10 Pro Spindles w/ 2018 silverado front brakes & C-5 Corvette Rear Disc Brakes 1999 BMW 528i - 5.7 LS1 w/ 4l60e, Ford 8.8 IRS w31 spline posi & FX-r projector retrofit New project: 2006 BMW x5 6cyl AWD to L83 6l80e 4wd to 2WD / RWD A poor man buy's it twice finally got my domain name back, 87chevy.com.... site rework in progress |
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01-29-2017, 11:18 AM
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#8 |
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Registered User
 Join Date: Oct 2015
Location: Victoria TX
Posts: 40
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Re: LT1 GenV swap
Following along. I just picked up a L83/6L80 for my K10. I'm with you on the accessory brackets, either they are WAY too expensive or ugly. I'm deleting the vacuum pump as I already have hydroboost installed.
Red |
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01-31-2017, 05:50 PM
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#9 |
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Registered User
Join Date: May 2014
Location: Houston TX
Posts: 4
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Re: LT1 GenV swap
Good info
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