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Old 04-01-2005, 11:43 AM   #61
DemoN
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Re: swapping from a NBS 4.3 to a V8
i've got to at least hear it on the phone
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Old 04-01-2005, 11:44 AM   #62
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Re: swapping from a NBS 4.3 to a V8



2000 GMC Sierra Z71
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Old 04-04-2005, 08:04 PM   #63
mrtater99
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Re: swapping from a NBS 4.3 to a V8
Are these swaps the same for going from a 91 4.3 tbi to a 89 5.0 tbi (camero) Am trying to decide weather to try using the gm ecm wiring or go to mega squirtII Any helpful insight would be appreciated... I picked up the wrecked camero with a low mile rebuild for a real good price. I picked up a set of 081 (tpi) heads and rebuilt them, doing the tbi mods, new cam and roller rockers. comes with roller lifters.

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Old 04-04-2005, 09:54 PM   #64
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Re: swapping from a NBS 4.3 to a V8
Quote:
Originally Posted by mrtater99
Are these swaps the same for going from a 91 4.3 tbi to a 89 5.0 tbi (camero) Am trying to decide weather to try using the gm ecm wiring or go to mega squirtII Any helpful insight would be appreciated... I picked up the wrecked camero with a low mile rebuild for a real good price. I picked up a set of 081 (tpi) heads and rebuilt them, doing the tbi mods, new cam and roller rockers. comes with roller lifters.

mrtater99

no, most of the info here does not apply to the swap you are attempting. from what I understand your v6 tbi can be used, after upgrading the injectors (2 I believe) and the tuning.
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Old 04-19-2005, 11:11 AM   #65
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Re: swapping from a NBS 4.3 to a V8
Anymore video

If its loud, fast and runs on flammable liquid......count me in.
LQ9, 11:1 compression, Edelbrock/Lingenfelter heads, 224/224 5xx/5xx 1xx+ cam, 44lb injectors edelbrock headers, 3000 yank stall, flt 4l65e lvl5 trans, truetrac, WHEATLEY tuned
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Old 06-03-2005, 05:21 PM   #66
Ross
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Re: swapping from a NBS 4.3 to a V8
Demon, do you have any info on a Vortec 4.3 to a Vortec 5.7 swap? Or maybe anyone else?
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Old 06-03-2005, 07:29 PM   #67
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Re: swapping from a NBS 4.3 to a V8
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Originally Posted by Ross
Demon, do you have any info on a Vortec 4.3 to a Vortec 5.7 swap? Or maybe anyone else?


www.ls1truck.com has a good bit of useful info. allen(farmtruc) and mine were pretty much done using a lot of that info.
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Old 06-12-2005, 10:19 PM   #68
cwbigredz
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Re: swapping from a NBS 4.3 to a V8
what about swapping a 5.7ls1 to a truck with a 5.3 v8. i would use the stock 5.3 acc. and brackets. what do i need for this swap, very intrested in this conversion if it can be done cheaper than buying a radix for my 2000 z71.
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Old 06-13-2005, 07:47 AM   #69
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Re: swapping from a NBS 4.3 to a V8
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Originally Posted by cwbigredz
what about swapping a 5.7ls1 to a truck with a 5.3 v8. i would use the stock 5.3 acc. and brackets. what do i need for this swap, very intrested in this conversion if it can be done cheaper than buying a radix for my 2000 z71.

simplest swap possible. pull all accesories, intake, headers...everything..bolt it up to the 5.7...retune and done.

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Old 06-13-2005, 11:37 PM   #70
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Re: swapping from a NBS 4.3 to a V8
I'm about to swap a 4.3 tbi for a 95 Corvette Lt1/T-56 in a 93 C-1500 5 spd....I'm sure you guys know ALL about this swap. What do I need? I have the LT1/T-56 and the truck...and a set of long tube headers
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Old 06-14-2005, 08:49 AM   #71
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Re: swapping from a NBS 4.3 to a V8
thanks demon. can my truck be retuned using my predator programmer or do i need to get a custom tune from someone that writes them? any info will help. found a 2002 5.7ls1 from state trooper car with 14,000 miles-$1800.00
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Old 06-14-2005, 08:51 AM   #72
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Re: swapping from a NBS 4.3 to a V8
Quote:
Originally Posted by cwbigredz
thanks demon. can my truck be retuned using my predator programmer or do i need to get a custom tune from someone that writes them? any info will help. found a 2002 5.7ls1 from state trooper car with 14,000 miles-$1800.00

you need a full custom tuning...contact wkdspd, he can walk you through exactly what's involved.

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Old 06-14-2005, 08:52 AM   #73
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Re: swapping from a NBS 4.3 to a V8
Quote:
Originally Posted by ssdeuces
I'm about to swap a 4.3 tbi for a 95 Corvette Lt1/T-56 in a 93 C-1500 5 spd....I'm sure you guys know ALL about this swap. What do I need? I have the LT1/T-56 and the truck...and a set of long tube headers

i may have misread the title...but this thread was only concerning NBS swaps. i suggest you start a new thread, you'll get more help that way.

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Old 06-17-2005, 01:25 AM   #74
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Re: swapping from a NBS 4.3 to a V8
Quote:
Originally Posted by DemoN
simplest swap possible. pull all accesories, intake, headers...everything..bolt it up to the 5.7...retune and done.
What about just buying all the parts to make the 5.3 to ls1 since it already an ls1 block? well at least i hear it is. Sorry im not to great in engines.
Chevy 2001 z71 1500 5.3, 4.56, Flowmaster, K&N Generation II Air Intake Kit and a Tune by JESSEBUBB
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Old 06-20-2005, 06:44 AM   #75
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Re: swapping from a NBS 4.3 to a V8
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Originally Posted by OzzHead
What about just buying all the parts to make the 5.3 to ls1 since it already an ls1 block? well at least i hear it is. Sorry im not to great in engines.

not sure i understand your question you mean buying all the LS1 accesories and such?

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Old 06-20-2005, 01:44 PM   #76
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Re: swapping from a NBS 4.3 to a V8
Quote:
Originally Posted by DemoN
not sure i understand your question you mean buying all the LS1 accesories and such?
yea i mean just buyin the LS1 accesories like intake and such.
Chevy 2001 z71 1500 5.3, 4.56, Flowmaster, K&N Generation II Air Intake Kit and a Tune by JESSEBUBB
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Old 06-20-2005, 01:46 PM   #77
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Re: swapping from a NBS 4.3 to a V8
Quote:
Originally Posted by OzzHead
yea i mean just buyin the LS1 accesories like intake and such.

so you want a 5.3 that looks like an ls1? umm...sure...i guess you could do that

faux LS1!

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Old 06-20-2005, 01:48 PM   #78
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Re: swapping from a NBS 4.3 to a V8
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Originally Posted by DemoN
so you want a 5.3 that looks like an ls1? umm...sure...i guess you could do that

faux LS1!
haha im not going to do that or anything because that would be just lame but i was just wondering if that could be done. Thanks Demon
Chevy 2001 z71 1500 5.3, 4.56, Flowmaster, K&N Generation II Air Intake Kit and a Tune by JESSEBUBB
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Old 06-20-2005, 03:50 PM   #79
wkdspd
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Re: swapping from a NBS 4.3 to a V8
yes, could be done, but wouldnt have the same power, crank/rods/pistons/cylinders/cam all different.
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Old 07-03-2005, 08:33 AM   #80
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Re: swapping from a NBS 4.3 to a V8
I have a 90 Z-71 with a 5.7 in it. I have a 400 small block that I want to put in it. Has anyone swapped out one. I am going from throttle body to a carburetor. Does anyone have any recommendations?
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