Hi from Houston
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Joined: Jun 2014
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From: Houston
Hi from Houston Long time reader, first time poster... So, i was recently bought a LQ4 from a 2004 Yukon Denali XL 1500 for my 74 vette. It is complete with throttlebody and pedal assy and TAC/ECU. I am fired up about the build but get easily confused with the million different configurations that can be acheived, its almost like theres TOO many options! I have read the wiki page on LS blocks and it actually helped me to find the right donor vehicle, but definately no aftermarket help there... i am aware that i will need mounting hardware and an accy drive setup for clearance purposes, also i know that i need a different oil pan. the main hurdle for me right now is the intake manifold/ throttle body. i have bought the fast 102 intake manifold and it seems like i jumped the gun here because the DBW throttle body will obviously have to be replaced (3-4 bolt), i would like to keep the T/B DBW and that is where the fun starts... the ls2 90mm T/B's seem to have different electrical connections, and i dont even understand whats going on with the NW 102 T/B because it doesnt look like it has the TPS???? I am confuse. i would like to use the NW 102 but i am afraid that it will be more trouble than its worth, i have heard mixed reviews anyway! Please help, or just convince me that i should wake up and use the LS6 Intake T/B and fuel rails which can all be had for less than the FAST 102 alone!!! PS. the original reason for choosing the FAST 102 was because i plan to throw a Nitros Express kit at it and they are pre ported for just that.
im finishing up a c3 69 vette swap. 6.0 lq9 w cam and 4l80e swap. I made the mounts for trans and motor. as you can see it looks like it could have come with the motor in it stock. these are the original progress pics. I will snap some of the recent pics.
intake is ls2 w 90mm tb. stainless long tube headers. I got this swap figured out pretty much
im in Houston.
welcome to the site
intake is ls2 w 90mm tb. stainless long tube headers. I got this swap figured out pretty much
im in Houston.
welcome to the site
its cable. this is just pics of the mock up block. the real motor is in there now. I can snap some pixs tomorrow.
but should have no problem w dbw tb if you got tac module and correct harness. and perhaps the truck pedal also
but should have no problem w dbw tb if you got tac module and correct harness. and perhaps the truck pedal also
redid the whole fuel system for efi using stock tank. ran new feed/return lines with holley pump. im bad w taking pics of progress. I just work n figure it out. tryn to git it done
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Joined: Jun 2014
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From: Houston
i have the harness and the TAC but it looks like if i go with the bigger ls2 T/B, the harness i have wont fit. i think the connections are different. GM changed alot of programing going to the LS2 for VVT and AFM... i am just suprised that i cant find a T/B in the size i want without splicing wires of buying a new harness!!!
unless you get a aftermarket specific built harness like from psi or techrods.
im at the point where I just pay for the plug n play harnesses built for what I need. I don't have the patience to rewire ansd mod stock harnesses.
less hassle for me and cheaper. cuz I don't use up my time trying to figure out the pins when I can be welding and wrenching
im at the point where I just pay for the plug n play harnesses built for what I need. I don't have the patience to rewire ansd mod stock harnesses.
less hassle for me and cheaper. cuz I don't use up my time trying to figure out the pins when I can be welding and wrenching
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Joined: Jun 2014
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From: Houston
I agree, i have contacted the guy from ebay and he says that i can return the FAST 102, im out $27.00 for return shipping -lesson learned-. but free up $783.00 for a used LS6 intake T/B injectors and rails. a quick look around reviels i can get all of that for around $600.00 then i can get the correct harness adapter and still come in lower than the intake itself! BTW do you have a speed shop? i see your logo... I usually go to PowerFab on windfern and 1960.
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