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#41
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For the record that Lares box is falsely advertised. It's a typical fast ratio 12:1 box that they call a 10:1 for some reason. They were adamant it was a 10:1 box at street machine nationals, where we talked to them extensively about it. My buddy bought one, stuck it in his autoX chevelle.... 0 difference in turns lock to lock over his 12:1 caprice box so he sent it back.
I've now had 2 jeep boxes and a 12:1 Flaming River 600 box in my GTO. I still say the jeep box is the best bang for the buck. That said I just bought a Sweet MFG 10:1 700 box last week, since I autoX a lot. Should be 2 turns lock to lock. I'll report back what I think about it. I might sell my Flaming River 600 box too, if anyones interested.
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-1967 GTO HO Restomod. PKMM 433ci, SilverSport T56 Magnum 6spd, Moser 9", SC&C and a bunch of other pro touring goodies - Build Thread http://forums.maxperformanceinc.com/...615847&page=23 |
#42
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Good info in this thread. I'm getting ready to buy a box for my '66 and am thinking that I'll go with the Jeep box option.
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1966 Pontiac GTO (restoration thread) 1998 BMW 328is (track rat) 2023 Subaru Crosstrek Limited (daily) View my photos: Caught in the Wild |
#43
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Quote:
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. 1970 GTO Judge Tribute Pro-Tour Project 535 IA2 http://forums.maxperformanceinc.com/...d.php?t=760624 1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car https://forums.maxperformanceinc.com...ght=procharger Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be |
#44
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We need a box for our '68 Firebird. I do not want to screw around with metric adaptors. Any ratio that's quicker than stock that retains stock turning radius would be great. Ideas?
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BONESTOCK GOATS '64 GTO Tripower Hardtop (Wife's Car) '64 GTO Tripower Post Coupe (My Car) '99 Bonneville SE Sedan |
#45
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Quote:
Stay away from the CP boxes. .
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. 1970 GTO Judge Tribute Pro-Tour Project 535 IA2 http://forums.maxperformanceinc.com/...d.php?t=760624 1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car https://forums.maxperformanceinc.com...ght=procharger Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be |
#46
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Get one from the forum host.....
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#47
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Quote:
Nick is likely right that it's actually a 12:1 box. It's much faster than the variable ratio that was in my 69. It's not fly you into the next lane without notice quick though, as I somewhat expected it to be. My turning radius actually got better with this box over the variable box that the car came with, likely because the Lares box doesn't have internal stops.
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-Jason 1969 Pontiac Firebird Last edited by JLMounce; 03-03-2020 at 12:20 PM. |
#48
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I used a spare SAE pressure hose, a short piece of metric-ended tubing , and a tubing coupler to connect mine. No change to the metric box.
George
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"...out to my ol'55, I pulled away slowly, feeling so holy, god knows i was feeling alive"....written by Tom Wait from the Eagles' Live From The Forum |
#49
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Remember too, turning radius can be restricted by internal stops, as well as tie rod end/control arm stops.
Some swap out the one year only '68 'bird tie rods, centerlink, and idler with a later year/model, and those can cause tie rod end stop contact shorter than the '68 setup. F-bodies have different internal stops than A-bodies, and many rebuild services don't verify the internal stops. They lump all the F & A boxes together. I don't think I've ever seen a 10:1 800 box. .
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. 1970 GTO Judge Tribute Pro-Tour Project 535 IA2 http://forums.maxperformanceinc.com/...d.php?t=760624 1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car https://forums.maxperformanceinc.com...ght=procharger Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be |
#50
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X2 with HYWYSTAR455 on the internal stops.
Before you install said box, you should check the actual full turn radius on the pitman shaft. Firebird boxes have less sweep ( fewer degrees of movement) than the a body boxes. And many boxes out there have different angles ,or amountof sweep angles. My 64 had a box that had 78 degrees of pittman arm sweep lock to lock The replacement had 87 degrees of sweep ,lock to lock. 9 degrees doesnt sound like much, untill you have t park at a car show.Ask me how I know. IIRC the pittman arm on a firebird is longer (Maybe) so it needs less pittman arm travel (sweep) to move the same distance as a box with a shorter arm with more sweep. I hope I did not confuse you, (or everyone else either LOL) |
#51
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Can someone expand on the power steering valve? I have a 67 Firebird with the stock power steering pump. What exactly was done to get the right power steering assist to avoid too much, potentially making the steering twitchy?
Sent from my iPhone using Tapatalk |
#52
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The flow, PSI and GPH, need to match the steering box. Type 1 psi is usually like 1100-1250, at about 2.5-4 gph, if I recall correctly, depending on application.
Schurkey did a table with the different control valve styles, listing psi & gph values. Would have to search it. .
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. 1970 GTO Judge Tribute Pro-Tour Project 535 IA2 http://forums.maxperformanceinc.com/...d.php?t=760624 1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car https://forums.maxperformanceinc.com...ght=procharger Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be |
#53
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I'd recommend a call to Lee Power Steering on the subject as well.
You can modify the pressure fittings to do several things, like increase flow or pressure, but going too far in one direction is typically what causes erratic behavior. I recently had Lee build me a new pump that I've yet to install. It's spec'd specifically for my application and needs. Not all that much more than a quality remanufactured pump from somebody like CVF either.
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-Jason 1969 Pontiac Firebird |
#54
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This is kind of a timely zombie thread for me.
I put in a Non FE2 3rd gen steering box a few years ago. Worked well especially after I went to a CVF pump that had increased pressure. The problem is it started leaking only a year after installed. Im tired of the little puddle of fluid under my car after every drive. Its just a drip, but its obnoxious. Especially for a new pump. I also want to go with an actual IROC FE2 box this time that limits the steering to 64 degrees as Im putting some wheels on the front that are stretching the limits of rubbing. My question is how bad to boxes typically actually wear? After getting burned by a reman box, Im more inclined to buy an OEM box out of a wrecking yard or off someone parting a car out. But I dont want to trade my leaker for a box thats sloppy. Ive driven a bunch of old cars with worn factory suspensions, but Ive never actually encountered one that the steering gear was the problem.
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1967 Firebird 462 580hp/590ftlbs 1962 Pontiac Catalina Safari Swapped in Turd of an Olds 455 Owner/Creator Catfish Motorsports https://www.youtube.com/@CatfishMotorsports |
#55
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I used a Jeep Grand Cherokee box, I’m very happy with it. Much less power assist, better road feel, and good response. I have a good amount of suspension work done to my car, but the steering gets the most compliments when one of my friends drives it. I followed the attached graphic and used a NAPA p/s pump from an 85 Camaro. You will need a rag joint from a square body C10. You can use factory hoses w/ adaptors. I used these(even tho I despise CPP):
https://www.summitracing.com/parts/clp-605sol Been a couple years, no leaks .
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67 LeMans, 326, M20, 3.31 12 Bolt |
#56
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That is a helpful graphic and the same way I did mine. Only mine started leaking at the input shaft after a year.
I wonder if it leaks because of heat from the headers? Maybe I should try to find one of the heat shields that the graphic mentions.
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1967 Firebird 462 580hp/590ftlbs 1962 Pontiac Catalina Safari Swapped in Turd of an Olds 455 Owner/Creator Catfish Motorsports https://www.youtube.com/@CatfishMotorsports |
#57
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Quote:
I don't even have enough space between my headers and the box to get a heat shield in between. My lares box remains dry however.
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-Jason 1969 Pontiac Firebird |
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