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LS & LT Installation Questions and Answers Special Category just for asking questions about installing a LS Installation in your Trifive Chevy.

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Old 02-05-2020, 03:49 PM   #11
prozak
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The key here is if he lacks a transmission, then just buy a 4th gen camaro one complete. The vette ones were rear mount so not so much fun. Ideally the 98-02 camaro is what you want. Now you can get a 5th gen camaro TR6060 but its a fixed yoke rear and would be little more $$$$. Biggest issue IMO is finding a near 20yr trans that people still want a decent amount of money for, but search. May find one out there.
I have looked and found a few already, locally and some guys on the LS1 forums have them.. 1200-1800$ for the LS T56. so they are out there, I will probably just go that route and figure out the clutch linkage. i think I saw a kit specific for this swap. I have to look again and get some links/ part numbers.. edit BRPhotrods has most of the LS/T56 swap parts for the tri fives.. awesome.

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Old 02-05-2020, 04:06 PM   #12
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Best wishes with your swap. I'm working on one myself.
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Upgrade Plans. 5.3 LS swap with 4L60 trans. Tubular Control Arms. CPP 500 Power steering box. Ididit or Flaming River steering column. Front disc brakes, 2in drop spindles, new brake booster. Rebuild rear brakes. Remove body and paint frame. Paint floor and put down sound deadening mat. Repaint dash. Install new weatherstripping. Looking for extra parts and pieces.
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Old 02-05-2020, 06:01 PM   #13
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I question doing the FITech, power steering, and air on the current engine but that's your choice. Seems like you're going to do a lot of extra work, maybe not truly twice but close.
Agreed; Having added AC and power steering to the original engine, and then doing an LS swap, I would recommend skipping steps 1 & 3.

This might help in your steering box selection; https://www.trifive.com/forums/showthread.php?t=175042

Good luck, you will really enjoy the LS.
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Old 02-05-2020, 06:29 PM   #14
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I went the route of buying a f body ls trans in retrospect I would have been better off to buy a t56 magnum in my case I kept the bench seat the shifter becomes a problem the shifter need to be in the most forward position & to do that a t56 has to be taken apart & modified even though I did the tear down & rebuild I had to buy a lot of parts to change things to use the shifter in that forward position & im sure I got close to the price of the t56 magnum which is already set up to use the forward position I now have a 4L65e back in it but it worked really well Talk to Modern drivetrain they will tell you exactly what you need I only bought the hyd clutch set from them but it made things easy One other thing will mention with the F body t56 6th gear is pretty much useless its .50-1 & I had to be running 75 or above with 373 gears to be usable

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Old 02-05-2020, 07:10 PM   #15
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One other thing will mention with the F body t56 6th gear is pretty much useless its .50-1 & I had to be running 75 or above with 373 gears to be usable
5th is OD as well which is closer to what the auto's run OD wise. Easy to plan final drive based on speed you run plus tire size to beable to use the 6th.
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Old 02-05-2020, 07:42 PM   #16
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The t56 magnum has different ratios available for 5th & 6th also if you don’t have any accessories take a look on summit all three of these include alternator power, steering,pump, & brackets I know gm are all new not sure on the others gm-19418441 $710 Holley 20-143 $897. Summit csumLS103 $639 you will need a p/s reservoir & hose to the pump the gm fits corvette spacing which if your ls6 has the original balancer would be correct the Holley has different spacers to be able to use Camaro or truck spacing when I bought my set up the gm set up was only about $500 real bargain then none include ac brackets The corvette spacing gives you the most clearance to radiator & fans I seen someplace the balancer measurements so your sure which brackets you need

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Old 02-05-2020, 10:12 PM   #17
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For me the T56 6th gear just underscored that I'd need and like a 3.89 or 4.11 rear gear and be able to have both the performance of the deeper gear ratio plus some prospect of being able to use 6th gear. So for me that was a good deal. I have a 3.89 rear gear and my T56 has a 0.50 6th gear. A guy I know has a 3.36 rear gear and a .50 6th and he says it struggles in 6th even on a freeway overpass. But even if I rarely use 6th I think a T56 is a good transmission choice.
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Old 02-05-2020, 10:28 PM   #18
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4.11 gears probably would have made mine more 6th gear friendly camshaft & engine spec. is certainly in that equation also
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Old 02-05-2020, 10:50 PM   #19
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What size tire do you have (diameter). That will effect it too most Fbody car had 25” tires and 3.42ish gears, most trifive guys are running taller tire which mean less rpm. Most 27-28” tires you will want 3.90-4.11 with T56 to cruise 70 if you drive faster then taller final drive. Remember these transmissions are for a sports car that would run 160+.
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Gen III/IV "LS" swap info
TECH: LS motor to Early Auto Transmission

Email or PM me your LS questions if you need help
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-55 210 delray 235/3sp
-73 IH 1210 Travelette SV392, 5sp, 4x4, 4.10's
-73 IH Scout II Vortec 6.0L 4L65e np241
-01 VW Beetle TDI 50+MPG!
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Old 02-06-2020, 12:29 AM   #20
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To get back to the original op thread (sorry) as to the power steering 605 or CPP 500 box would be & was my choice 500 in my case but again might want to hang on till you do the LS swap I did mine when I first bought the car with a SBC in it & all the lines & pump had to be changed again wasted time & money but not a huge amount to answer BO185 with the t56 I had 27” tires & 373 gears now a built 4l65e due to old wore out knee I say though the t56 wasn’t nearly as much fun as keeping your foot nailed to the floor & grabbing gears with a Muncie & hurst

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