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Rear mount gto build. :) LQx REBUILD TO COME

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Old 09-10-2010, 01:11 AM
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Which frame is Jim4271? Using on his 1300 whp twin rear GTO? He makes a lot of power but I wonder how bad the lag is
Old 09-10-2010, 04:37 AM
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Twin rearmount is a different story. T4 would be fine for that. Essentially one T4 turbo for each 4 cylinder bank.
Old 09-10-2010, 09:12 AM
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There's a Guy on ls1 and here that had a twin rearmount black gto. Running 9s I think. I'd like to know the specs on his turbos as well
Old 09-10-2010, 02:33 PM
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I just remembered, you have a stall. Lag isn't to bad...My FTI stall took .3-.4 off my 60 foot time. I didn't like it worth a damn on the street though. The lock-up clutch wasn't holding and I hated that it would stall 1500 at my tq peak putting me at no less than 5500 rpm all the time. It went back to greg. End of rant.

So anyway, why are you not considering the T-4 flange?
Old 09-10-2010, 02:44 PM
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Originally Posted by ericwilloughby
I just remembered, you have a stall. Lag isn't to bad...My FTI stall took .3-.4 off my 60 foot time. I didn't like it worth a damn on the street though. The lock-up clutch wasn't holding and I hated that it would stall 1500 at my tq peak putting me at no less than 5500 rpm all the time. It went back to greg. End of rant.

So anyway, why are you not considering the T-4 flange?
Because i dont want to worry about back pressure and hit a spot where i cant make anymore power.

T6 with a valve will be just fine, im sure of it.
Old 09-10-2010, 03:12 PM
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I'm sure your correct. I didn't know money wasn't an object. hahaha The valve is nearly the same price as the turbo.. That's some ol bull ****.
Old 09-10-2010, 04:24 PM
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oh, lol, money is an object, a BIG one. BUT.... Im willing to spend a little coin to be satisfied, plus, i was already buying the new turbo, and when my current turbo sells, ill purchase the valve, or make one.

my neighbor is a machinist and mechanical engineer and builds things like this all the time in his spare time, and i pitched the idea to him and he was interested in checking it out.

so either way, ill be snagging one up.
Old 09-11-2010, 06:50 AM
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Finally decided to start digging into things last night. and got 2 cuts in the process. lol.

couple things, removed intake and heads to get my first look at the pistons, well, the tops of them anywayz, and no visible damage on any of them. They look great, it was 1 am so i didnt bother turning the crank over to get a look at the cylinder walls of any of them except what was up.

go figure, number 5 was at the top, lol. ill give her a look today or something, but the new motor should be going to the machine shop next week for a .030 punch and hone, and a line hone with new cam bearings.

ill do everything else myself. just some dumb pics i took last night. I cant find my stupid little blue fuel line removal tool, so i couldnt take off the fuel rails, so i was fighting with them all night. lol



LMAO, it pays to have small friends, im 6'4" and 280lbs, hes like 5'7 or something, if that and skinny as a rail, just climbs right up in there. lol



as she sits now.



more to come, carnage pics will be a little ways off, as i dont have my engine stand at the moment, there is still an SBC on it.
Old 09-11-2010, 09:52 PM
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did you put any wd-4 in the cylinders or ***-lube (lol) they well get surface rust really fast
Old 09-12-2010, 01:46 PM
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Damn, your doing the hard work with it in the car. Go ahead and yank that sucker out. Don't guess I need to come up and help now?
Old 09-12-2010, 01:51 PM
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Originally Posted by stevieg
did you put any wd-4 in the cylinders or ***-lube (lol) they well get surface rust really fast
yes i did, lol

Originally Posted by ericwilloughby
Damn, your doing the hard work with it in the car. Go ahead and yank that sucker out. Don't guess I need to come up and help now?

WELL HELL YES!!! lol. i was bored and had some beers and a good friend was over, the little guy, lol. it was his idea, so we just tore into it. im gonna yank it when my engine stand frees up, my father inlaws dad, has it, and his SBC is on it, so, im not in any real hurry, really need to get my 6.0 to the machinist.

ill let you know when the swap takes place, if you wanna help, lol. Although, i def dont expect it.
Old 09-25-2010, 07:29 PM
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Well motor is out and have been doing more thinking then i ever care too. lol

new plan for the rest of the year, drop my lq4 in there and get back on the road and try to enjoy a little fun this year.

i will purchase a built motor from one our fine sponsors STRONGLY LEANING TOWARDS THE VIRGINA SPEED

http://shop.virginiaspeed.com/produc...&categoryId=26

any body got any advice for running this lq4 for a little while other then "dont" lmao
Old 09-25-2010, 10:47 PM
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Where'd you get your spool valve? Let's see some pictures of that broken piston.
Old 09-26-2010, 12:18 AM
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post #112? trailer hitch?
Old 09-26-2010, 08:25 AM
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Hawk, ive looked at his build pic 100s of times, lol. and never noticed that. good eye

yah eric, trailor hitch ???? lol

and no pics of the piston yet guys, i have to pull the motor apart first and i dont have my engine stand right now, my grandfather is using it to hold an sbc for his 57 chevy

ill be sure to get some pics, all the pistons looked great from the top, and the cylinder walls show no scaring and cross hatching is still good. So im assuming its ringland, and wonder what causes these issues. oh well

lq4 with arp rod bolts and head bolts will be in there till i decided whos building my motor. and possibly moving the turbo up front, i just bought welder so i dont know what the hell im doing now

oh, eric, i got the valve from Kyle over @ KB racing on here.
Old 09-26-2010, 10:10 AM
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Originally Posted by hawk584
post #112? trailer hitch?
Jet ski...Matching Yellow of course.
Originally Posted by JAX04
Hawk, ive looked at his build pic 100s of times, lol. and never noticed that. good eye

yah eric, trailor hitch ???? lol
So im assuming its ringland, and wonder what causes these issues.
Really? haha, in both of our cases, about #11 of boost on cast pistons is what causes this. hahaha
Old 09-26-2010, 10:19 AM
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stupid cast ls1 pistons, lol
Old 10-26-2010, 05:50 PM
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1 hour and 16 pages later im up to date
Old 10-26-2010, 05:52 PM
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LOL, Round Two is underway New thread will be soon to follow, as soon as engine is in. Im hoping to get something accomplished this weekend
Old 10-26-2010, 05:56 PM
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did you get your new short block?


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