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Old 10-15-2016, 03:05 PM   #51
Longhornss
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Re: LT1 GenV swap

Quote:
Originally Posted by toddoky View Post
Sure, I can post a photo; I was waiting to get access to the engine to be able to take one. Yes, I am the design engineer at Holley who is responsible for the development of all the Hooker LS engine swap system mounting and exhaust components.[IMG][/IMG]
Toddoky I am down for this setup, I have run several of the Holley LS kits and band for the buck they are the absolute best "budget" kit available in terms of form and function.

I want one and want more information on how this all works.
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Old 10-15-2016, 03:20 PM   #52
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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.


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Originally Posted by 87chevy.com View Post
Feeling relieved!





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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Old 10-15-2016, 04:38 PM   #53
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Re: LT1 GenV swap

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Originally Posted by Longhornss View Post
Toddoky I am down for this setup, I have run several of the Holley LS kits and band for the buck they are the absolute best "budget" kit available in terms of form and function.

I want one and want more information on how this all works.
As soon as we get closer to launch of the system I will be sure to post more information on it.
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Old 10-17-2016, 11:33 PM   #54
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Re: LT1 GenV swap

Toddoky,
I just read my last post.... Boy that sounded demanding. I was extra leg happy to see you working on this.

Do you guys have a target release for this kit. Will we be able to purchase it in components, as the LS kits are offered.
Thanks
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Old 10-18-2016, 09:13 AM   #55
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Re: LT1 GenV swap

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Toddoky,
I just read my last post.... Boy that sounded demanding. I was extra leg happy to see you working on this.

Do you guys have a target release for this kit. Will we be able to purchase it in components, as the LS kits are offered.
Thanks
I understood you were just looking for info and wasn't put-off by your inquiry. The development of the Holley accessory drives is not something I work directly on (they are handled by another design engineer on staff) and so I can only report information on them second-hand as information is made available to me. I've not heard what the target release date is, but the components are in the tooling phase, so that would usually indicate a timeframe of 2-3 months.
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Old 10-18-2016, 12:34 PM   #56
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Re: LT1 GenV swap

That is good to hear I am looking forward to these. Saves me the effort of having to figure it out on my own.
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Old 10-23-2016, 06:24 PM   #57
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Re: LT1 GenV swap

Got the pump hung...



belt alignment looks good so far. Not sure if I will hang an idle pulley off if the power steering bracket to get more belt wrap around the balancer or not. The pump came from ebay forget which year silverado, think it was 06+.. only chose it cause of the windows in the pulley. Could compare it to the 99-02 pump that's in my 87 swap once it gets removed. As far as the tensioner, I found the tensioner Dirty Dingo uses, same one Magnuson Superchargers uses in some applications... heavy duty 8 rib application tensioner.. wonder if it's too much tension on a 6 rib belt. Still looking for a 6rib version of that same style tensioner, basically pulley is flush with the mounting base of the tensioner..
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Old 10-23-2016, 07:13 PM   #58
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Re: LT1 GenV swap

site is frustrating with this 30 minute editing policy.. so, another post

this is basically what I'm going to aim for as far as fit/form/function except the top of the pump reservoir more parallel like my picture.. damn aesthetics



after a little searching, this tensioner seems to be the exact same as the 2014 Silverado, but tensions the belt the opposite direction... but the tensioner base is not flush with the pulley, like I had hoped for. If it happens to be the same as the Silverado's, even at a 1/4 plate bracket would be right at the edge if not over the edge of the pulley from my eye balling things.. might make a trip to the autoparts store and compare if they have these in stock. I doubt they will order a part just to let the customer see it...
clint
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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

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Old 10-26-2016, 10:24 PM   #59
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Re: LT1 GenV swap

Got the power steering mocked up. Just need to cut out the front bracket and triple check the last changes. Just need to draw up the spacers and have the a machine shop make em



Pretty satisfied with the look, incorporated an idler just to get more belt wrap on the crank. I might make the decorative holes a touch smaller but there there for the artistic touch.
Pump is placed lower than the highest point of the intake, and as close to the block as possible.. almost like a ls 5.3.

Got a promising 6 rib tensioner, research paid off so far, it's identical to the HD version mentioned earlier but only 6 rib width. Ironically uses the same pulley as the LT.. I could go as far as testing the tension by hanging weight from the pulley just to see since I plan to make 5 sets of these brackets and sell 4 of them.

Alternator bracket nearing completion.

Header flange is almost mapped out, just need to adjust 1 port.. seems easy but takes many prints to get it exactly spot on, like the water pump adapters. Close is good, exact is better

Clint
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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

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Old 10-27-2016, 07:42 PM   #60
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Re: LT1 GenV swap

Not bad at all for first try..



only to add a notch around one of the water pump bolt boss is.. other than that, power steering bracket is done, just need to make it in metal, then buy a box of washers to get the belt centered and go for round one at the machine shop.

I'll wrap up the alternator bracket mock up this weekend.
Clint
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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

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Old 10-27-2016, 08:07 PM   #61
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Re: LT1 GenV swap

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Originally Posted by 87chevy.com View Post
Not bad at all for first try..



only to add a notch around one of the water pump bolt boss is.. other than that, power steering bracket is done, just need to make it in metal, then buy a box of washers to get the belt centered and go for round one at the machine shop.

I'll wrap up the alternator bracket mock up this weekend.
Clint
Are you going to attempt to retain the use of the vacuum pump? It's interesting to note that the aftermarket controllers GM sells to support the LT1/LT4 crate engines defeat cylinder deactivation functionality of the engines and therefore the need for the vacuum pump.
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Old 10-28-2016, 12:29 AM   #62
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Re: LT1 GenV swap

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Are you going to attempt to retain the use of the vacuum pump? It's interesting to note that the aftermarket controllers GM sells to support the LT1/LT4 crate engines defeat cylinder deactivation functionality of the engines and therefore the need for the vacuum pump.
Yes sir,
Stock truck intake doent have a provision for vacuum port's. The car lt1 has a port iirc. But no need to buy it if the vacuum pump fits between the frame rails without mods so why not keep it for the brake booster and in the trucks application vacuum ac controls. Expecially for the guys that do cams. There's hydropower option, but again more parts to buy. No worry about lack of vacuum with either option. To me, be silly to delete the vacuum pump only to by a electric vacuum pump or retrofit hydroboost. The way the intake is molded... it seems someone would have to cut into it to make sure they get the right spot to get the vacuum source.
As far as DOD... im sure most people swapped or not remove that feature.

But the beat thing about swaps is the aftermarket support

Clint
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Old 10-28-2016, 07:54 AM   #63
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Re: LT1 GenV swap

Your logic sounds reasonable for your application. I know that the pump won't physically fit in many of the typical GM car swap applications, so if there is no suitable take-off point for vacuum on the truck engines (I've not seen one in person yet to know) then an alternative option will need to be employed for them.
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Old 10-29-2016, 09:11 PM   #64
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Re: LT1 GenV swap

Got the alternator brackets drawn up. Going to swap the tensioner and idler locations.. think it will look better, also allows use of the factory tensioner...

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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

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Old 10-29-2016, 10:00 PM   #65
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Re: LT1 GenV swap

Looks good.
Keep up the good work. I personally will be going the Holley LS bracket direction as I will be running Vintage Air and am unable to run a factory compressor. I have no concerns with keeping the alternator on the passenger side and have no need for a vac pump with manual disc brakes.

I do have a driver side Holley adapter mocked up so I can check fit and possible interference when I get the engine in the frame.
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Old 10-29-2016, 10:39 PM   #66
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Re: LT1 GenV swap

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Looks good.
Keep up the good work. I personally will be going the Holley LS bracket direction as I will be running Vintage Air and am unable to run a factory compressor. I have no concerns with keeping the alternator on the passenger side and have no need for a vac pump with manual disc brakes.

I do have a driver side Holley adapter mocked up so I can check fit and possible interference when I get the engine in the frame.
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Why are you using a letter to run the factory ac comoressor? Location?
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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

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Old 10-30-2016, 12:28 AM   #67
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Re: LT1 GenV swap

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Why are you using a letter to run the factory ac comoressor? Location?
Lol.. Multi tasking plus this site's edit policy.. why aren't you able to run the factory ac compressor...
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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

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Old 10-30-2016, 10:21 AM   #68
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Lol.. Multi tasking plus this site's edit policy.. why aren't you able to run the factory ac compressor...
The Vintage Air units do not work with new style factory units.
That is, they do not work with variable displacement compressors. Like the ones found in a lot of modern vehicles.

I could possibly use a sanden low mounted on the passenger side.
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Old 10-30-2016, 03:19 PM   #69
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Re: LT1 GenV swap

Well here is my mock up adapter on the engine. This is basically so I can get the LT in the frame and make sure the accessories are not going to interfere with any of my porter built suspension parts....
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Old 10-31-2016, 08:51 PM   #70
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Re: LT1 GenV swap

Think i got a winner..



Satisifed with everything, gonna find some plate, cut em out and then start measuring for the spacers.

Clint
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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

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Old 11-02-2016, 12:13 PM   #71
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Re: LT1 GenV swap

With the new spacers will this bracket work with the Corvette balancer?
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Old 11-02-2016, 11:42 PM   #72
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Re: LT1 GenV swap

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With the new spacers will this bracket work with the Corvette balancer?
Brackets yes, spacers no, they would have to be machined shorter and maybe the truck pump couldnt be used.. to get a better idea, could you measure the front timing cover to the face of the balancer.. tape measure will be fine to get an idea if the truck pump would work as thats what i have for mockup and am using.
Clint
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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

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Old 11-04-2016, 09:26 PM   #73
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Re: LT1 GenV swap

Well guys doing a quick "gen V LT" search on holleys page produced some promising images.
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Old 11-16-2016, 08:41 PM   #74
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Re: LT1 GenV swap

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Originally Posted by 87chevy.com View Post
site is frustrating with this 30 minute editing policy.. so, another post

this is basically what I'm going to aim for as far as fit/form/function except the top of the pump reservoir more parallel like my picture.. damn aesthetics



after a little searching, this tensioner seems to be the exact same as the 2014 Silverado, but tensions the belt the opposite direction... but the tensioner base is not flush with the pulley, like I had hoped for. If it happens to be the same as the Silverado's, even at a 1/4 plate bracket would be right at the edge if not over the edge of the pulley from my eye balling things.. might make a trip to the autoparts store and compare if they have these in stock. I doubt they will order a part just to let the customer see it...
clint
Where did you get all these models from?!?!
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Old 11-17-2016, 08:07 PM   #75
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Re: LT1 GenV swap

They were just pictures of the rendering. The pictures were from goatbuilt.com
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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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