foxbody 5.3 ls swap
Thread Starter
Staging Lane
Joined: May 2015
Posts: 81
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From: St.louis Mo
Hey just wondering which waterpump are you guys running with the truck harmonic balancer?? Just wondering if i had to run the pump with the hose the comes out up top ot is there one like the f body pump?
Thread Starter
Staging Lane
Joined: May 2015
Posts: 81
Likes: 0
From: St.louis Mo
Its been awhile since an update.I recently changed the 7.5 rear end out for a 8.8 5 lug
Team z street beast uppers and lowers, also installed torque box reinforcements
Ran the fuel and finished the wiring.got to hear it run and idle, now I just need a few things to drive it..
Serpentine belt
(Driveshaft will be here on thursday)
Shifter and a few gauges
Team z street beast uppers and lowers, also installed torque box reinforcements
Ran the fuel and finished the wiring.got to hear it run and idle, now I just need a few things to drive it..
Serpentine belt
(Driveshaft will be here on thursday)
Shifter and a few gauges
Last edited by ls1ChevyStang; Mar 7, 2016 at 02:37 PM. Reason: forgot something
Thread Starter
Staging Lane
Joined: May 2015
Posts: 81
Likes: 0
From: St.louis Mo
Got to test drive the car tonight,I have to work out a few bugs.however it is very mean considering motor is mostly stock. Since my last update I have gotten subframe connectors,strange adjustables(rear) lokar throttle cable"which works great" lokar trans dipstick.plus a bunch of ins and odds.. but it runs great plus the new rear end has 4.10 gears so its pretty peppy.just wanted to give an update of things.
Thread Starter
Staging Lane
Joined: May 2015
Posts: 81
Likes: 0
From: St.louis Mo
Ill try to take some today or tomorrow.I had to take the ms3 cam out because it was too big and actually made my car slower.I now have a z06 cam for the mean time until I upgrade..
On The Tree
Joined: Jul 2016
Posts: 101
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hey chevystang, i'm getting ready to do this same swap! trying to get all of the pcs lined up first...the cost of running a brake on a 4l80 is making me start thinking th350/400 my mustang also has 410s what size stall are you running? what size tire, and what rpms at 60mph...i live out in the sticks so i will have to be highway driving mine alot..so i need to see if i can live without o/d..lol also what headers are you running? thanks for the info..i'm sure i will be asking more stuff! thx
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Staging Lane
Joined: May 2015
Posts: 81
Likes: 0
From: St.louis Mo
Re: foxbody hey chevystang, i'm getting ready to do this same swap! trying to get all of the pcs lined up first...the cost of running a brake on a 4l80 is making me start thinking th350/400 my mustang also has 410s what size stall are you running? what size tire, and what rpms at 60mph...i live out in the sticks so i will have to be highway driving mine alot..so i need to see if i can live without o/d..lol also what headers are you running? thanks for the info..i'm sure i will be asking more stuff! thx
On The Tree
Joined: Jul 2016
Posts: 101
Likes: 0
thanks for the reply! info is appreciated...i now have a 6.0, gonna use a 400 but not 100% sure on brake,,as i do alot of street driving..and i'm told a brake has alot of line pressure that is hard on pump so idk...your et's are really good! i also have 4.10s..i'm just looking for a 10 sec timeslip on my street driven car...hopefully without any power adders..we will see..thx again!!
trans brake isn't always necessary. I leave off idle, mid 130 60's. can be done. Shouldn't have a problem running 10's with a 6.0 na.
I use stock f body fans now for over 12 years and f body rad. cheap and easy.
I use stock f body fans now for over 12 years and f body rad. cheap and easy.
Thread Starter
Staging Lane
Joined: May 2015
Posts: 81
Likes: 0
From: St.louis Mo
thanks for the reply! info is appreciated...i now have a 6.0, gonna use a 400 but not 100% sure on brake,,as i do alot of street driving..and i'm told a brake has alot of line pressure that is hard on pump so idk...your et's are really good! i also have 4.10s..i'm just looking for a 10 sec timeslip on my street driven car...hopefully without any power adders..we will see..thx again!!
Thread Starter
Staging Lane
Joined: May 2015
Posts: 81
Likes: 0
From: St.louis Mo
I'd love to see a 1.35 60ft.. hopefully when I upgrade to a 6.0 I could drop my 60ft down to Atleast a 1.5.. are you spraying off of the line bowtie?
yes I hit from the start. I use a 4000 Circle D triple disc lock up. I have overdrive. One of the most street friendly converters I have owned. 350 400 trans I would keep 3200 3600 range if you do a lot of street driving and if you do then I would have a fan on the trans cooler also. heat is a trans worst enemy.
def spend the money on a good converter. cheap converter can stall easily at a desired rpm, but it will slip so much cruising and on the top end you will be loosing mph. Your better converters will have a good stall but still offer good cruise and top end not slipping so much.
Thread Starter
Staging Lane
Joined: May 2015
Posts: 81
Likes: 0
From: St.louis Mo
Yes im pretty sure youll need a custom length driveshaft, while your at it have them upgrade the u joints to 1350,s.. I don't believe that the 400th is a slip yoke, you might have to get one made for it if you wanted a slip yoke..