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06-08-2016, 11:44 PM | #1 |
I know the pieces fit
Join Date: Nov 2007
Location: MONTGOMERY, AL
Posts: 5,523
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Re: LS swap for my 75
Super 44's are relatively small iirc, maybe 14 or 16" case. I'll check it against mine in the morning. First guess is the mid-pipes were cut a bit short but we'll see.
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06-09-2016, 09:42 AM | #2 |
I know the pieces fit
Join Date: Nov 2007
Location: MONTGOMERY, AL
Posts: 5,523
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Re: LS swap for my 75
I dunno why they put them there, I had to look to verify but there's plenty of room to keep them away from the xfer case. Here's mine for reference and it has 14" mufflers.
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06-09-2016, 09:46 AM | #3 |
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Location: visalia ca
Posts: 1,480
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Re: LS swap for my 75
That's were mine use to be I have no idea either. Do you think I will have a issue with heat on the t case right there
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06-09-2016, 10:02 AM | #4 |
I know the pieces fit
Join Date: Nov 2007
Location: MONTGOMERY, AL
Posts: 5,523
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Re: LS swap for my 75
It's hard to say, it might run till the end of time with no issues. Here's how I'd approach it. If it adds heat to the xfer case right there the tailshaft seal will take the brunt of it and if that fails you've got the possibility of transmission fluid getting on the mufflers. Now you're up to potential fire hazard/burning your truck down etc. I would want them to move the mufflers back. Is this a shop you've used before?
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06-09-2016, 11:57 AM | #5 |
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Location: visalia ca
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Re: LS swap for my 75
I've used this shop before there pretty reputable. I called them this morning he said because the flowmaster is a high flowing muffler it doesn't trap much heat and it would be ok. so I guess i'll roll the dice and see what happens LOL
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06-14-2016, 10:29 AM | #7 |
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Location: visalia ca
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Re: LS swap for my 75
Got her fired up yesterday. So far only two issues, not charging guessing wiring since I dont know what I'm doing and a cracked tranny line just need to put a new line she
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06-14-2016, 10:50 AM | #8 |
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Join Date: May 2012
Location: Colo Springs, CO
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Re: LS swap for my 75
Excellent progress and looks great in there!
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- Jeff 89' K5 Blazer, 2.5" lift, 35" tires 04' GMC Yukon XL, 3/4 ton, 8.1L |
06-14-2016, 04:46 PM | #10 |
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Location: visalia ca
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Re: LS swap for my 75
when I first fired her up I wasn't happy with the exhaust. sounded to weak but after running for about 15 minutes the sound changed. going to try to make time in the next few days to get the other stuff fixed. after that I'm going to satin black the whole truck just to match the old new fenders I put up front
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06-26-2016, 05:59 PM | #11 |
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Location: visalia ca
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Re: LS swap for my 75
for awhile there I was saying I should have just kept the 350 screw this LS swap crap. well I would like to retract my previous statement LOL I finally got to drive her yesterday and I gotta say the power is amazing. wow its a huge difference night and day. I have a few bugs to work out but I'm pretty happy so far. I'm going to start looking into a code reader just in case cause I pretty sure i'll be doing another soon
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06-28-2016, 11:58 PM | #13 |
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Location: visalia ca
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Re: LS swap for my 75
The guy who did it said they adjusted it for little more power im still working out bugs today seem like it was running hot
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06-30-2016, 09:51 AM | #14 |
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Location: visalia ca
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Re: LS swap for my 75
Not happy with the exhaust not as loud and aggressive as it was with the 350. Running flowmasters with 2 1/2 pipe
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06-30-2016, 01:21 PM | #16 |
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Join Date: Dec 2011
Location: visalia ca
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Re: LS swap for my 75
that's what the cops said one or two neighbors agreed to that but the others didn't feel the same way. the lady is a single parent and she adopted like 4 kids. I feel bad for the kid but at the same time he did cost me a pretty big chunk of change for 2 big tires plus my wife thinks we should move because of them.
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07-12-2016, 01:45 PM | #17 |
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Location: visalia ca
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Re: LS swap for my 75
and so continues the bugs. I bought a new fancy toy ultragauge. yesterday I found out my temp was up to 230. the thermostat was the stock one so I traded it out this morning. i'll see how it goes.
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07-12-2016, 01:46 PM | #18 |
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Join Date: Dec 2011
Location: visalia ca
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Re: LS swap for my 75
this was this morning after hot rodding it all the way to work. hopefully I fixed the problem. the old one was really soft like I could press the spring down with one finger
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07-12-2016, 04:03 PM | #19 |
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Location: Scottsdale, AZ
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Re: LS swap for my 75
If the spring was soft wouldn't that mean it would've acted like a much cooler stat? Just wondering.
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07-12-2016, 04:37 PM | #20 |
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Location: visalia ca
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Re: LS swap for my 75
I was thinking the same thing but I know these LS motors run hot so maybe it's not letting the coolant cool off I don't know I'm hoping that's it
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07-12-2016, 05:00 PM | #21 |
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Location: Scottsdale, AZ
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Re: LS swap for my 75
I tried to see but couldn't tell. What does your cooling fan setup look like?
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07-12-2016, 05:15 PM | #22 |
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Location: visalia ca
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Re: LS swap for my 75
I have 2 electric fans that kick on at 190. originally one was kicking on at 190 but the other was not working right I assumed it was because I had him set it up to go on when I turned the AC on but I haven't put the AC in it yet. so I ran the wire to the fan 1 wire. my buddy said its not a good idea to run both fans at once it would take away from the air flow
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07-12-2016, 05:32 PM | #23 | |
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Re: LS swap for my 75
Quote:
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07-12-2016, 05:53 PM | #24 |
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Location: visalia ca
Posts: 1,480
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Re: LS swap for my 75
i pretty sure the bigger fan was 1350 cfm not sure on the smaller one
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07-13-2016, 09:00 PM | #25 |
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Location: visalia ca
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Re: LS swap for my 75
took advantage of this hot day and took the blazer out for a 30 minute drive on the freeway and slow traffic. the highest it went was 223 for maybe a minute then drop down to 220. I'm only running one fan right now. I need to find someone to program my secondary fan or see whats up with it. it not keeping a constant signal it will just sorta sputter the signal so maybe it was the thermostat
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