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| LS4 / F40 swap - fieroguru (Page 40/216) |
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Bloozberry
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DEC 26, 07:11 PM
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Looking sharp there Guru. That side to side weight difference on the SBC/Getrag setup was an eye-opener... almost 130 lbs difference!  (Then again, I suppose driving around with only the driver in the car probably has a certain neutralizing effect). I wonder how much the stock V6 drivetrain differs in total and the difference side to side... ever measured that?
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fieroguru
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DEC 26, 10:58 PM
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| quote | Originally posted by Bloozberry:
Looking sharp there Guru. That side to side weight difference on the SBC/Getrag setup was an eye-opener... almost 130 lbs difference! (Then again, I suppose driving around with only the driver in the car probably has a certain neutralizing effect). I wonder how much the stock V6 drivetrain differs in total and the difference side to side... ever measured that? |
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I have had these scales about a year now, but didn't take the time to weigh the cradle/engine/transmission when I parted out an 88 formula drive train several months back, or the 3800SC/Getrag that I reworked the mounts on. Going forward every swap I get my hands on will be weighed in the same manner to start some comparisons. I think the stock V6 setup would be in the same range (100+) if you measured the chassis, considering the battery at the outer extreme of the engine bay.
I responded to your PM as well.
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mattwa
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DEC 27, 03:00 AM
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Not to get too off topic, but my I'm going to guess I gained 50-75lbs when swapping from 2.8/3T40 to 4.9/4T60e, and most of that weight was gained from the transmission, weighing in at 204lbs. Considering the 4.9 is pretty close to the weight of the 2.8, I'd say my whole cradle drop out would be in the 625-650lb range. I also know the Fiero this power-train is in weighs 2800lbs with this setup.
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qwikgta
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DEC 27, 02:48 PM
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Guru, love the coil relocate. I have been looking at doing that with my LS3. From the pics it looks like you have the spark plug wires coming out the top, but I would think that having them go out the bottom might look better. Not sure if it was just done for mock up or not. Also, are you going to be running an aftermarket set of fuel rails, or sticking with stock.
Its looking really good, thanks for the update.
Rob[This message has been edited by qwikgta (edited 12-27-2011).]
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fieroguru
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DEC 27, 03:12 PM
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The coils have the coil wires coming out 1 end and the harness connections 180 from them. So I chose to keep the plug wires visible and hide the wiring connectors.
I was planning to stick with the stock fuel lines for now, but may upgrade to something different sometime later.
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Syn
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DEC 30, 11:37 AM
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So I take it that its not going to be fired up before 2012?  you know there are only 356 days to drive next year. you know end of the world and what not.
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fieroguru
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DEC 30, 03:57 PM
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| quote | Originally posted by Syn:
So I take it that its not going to be fired up before 2012? you know there are only 356 days to drive next year. you know end of the world and what not. |
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Probably not... only so many hrs in the day and I have been busy trying to launch my 13" brake kit and working on some other suspension upgrades fro the 88 as well.
I do have the next 4 days off, so I might make some actual progress on wiring the LS4.
I did end up scoring another LS4 water pump setup from a guy who was parting out his engine.
 [This message has been edited by fieroguru (edited 12-30-2011).]
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ZombiePenguin
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DEC 31, 01:04 PM
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If you want another water pump, you could have mine, Im going to be using an electric. I didn't want to worry about pump clearance of that massive unit
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LS1swap
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JAN 08, 07:41 AM
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have you considered using a fresh water marine pump? that seemed to be the best option for a mechanicle pump when i did mine. i ended up using an electric pump for eas of installation. oddly enough it still works after ten year, but i dont drive it that much anymore. ------------------
LS1 v8 T-Top 87 GT
http://www.fiero.nl/forum/A...040710-2-027739.html
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fieroguru
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JAN 08, 11:21 AM
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| quote | Originally posted by LS1swap:
have you considered using a fresh water marine pump? that seemed to be the best option for a mechanicle pump when i did mine. i ended up using an electric pump for eas of installation. oddly enough it still works after ten year, but i dont drive it that much anymore.
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Never looked into a marine pump... have any links?
For my next one (probably a budget 4.8 commuter build), I am going to design & build a custom water pump that will better utilize the space available and simplify the mounting of the alternator and AC
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