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#1
12-31-2024, 11:43 AM
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69 Lemans Trans Tunnel mod
I tried to install the TCI aluminum shield on a TH400 in my stock floor 69 lemans. I could not get it to fit by hammering the floor so I gave up on it until now. I have the engine and trans in the car and I want to cut the stock tunnel out and either buy or make a new larger tunnel. Anyone have and advice on a pre made tunnel or what you did? Thanks
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#2
12-31-2024, 04:07 PM
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Chassisworks has kits to fab your own:
https://www.cachassisworks.com/cac_press_5907-TTX.html If your inclined to hunt wrecking yards, I would go look at some truck floors. Truck tunnels are much more spacious underneath compared to car tunnels. 
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Brad Yost 1973 T/A (SOLD) 2005 GTO 1984 Grand Prix 100% Pontiacs in my driveway!!! What's in your driveway? If you don't take some of the RACETRACK home with you, Ya got cheated    
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#3
01-01-2025, 04:36 AM
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Get yourself one of these SFI cases. I tried to use the tranny shield and could not get it installed in the car. What a pain in the A**. I tried a tranny blanket, same results. And then you still need a shield on the bell housing. I went to the JW bell housing with my first stock tranny. Next race season I went with the Reid case. There is also the speedmaster case that is alot cheaper and it's SFI approved. At the same time build yourself a catch can for the transmission vent tube.
https://www.speedmaster79.com/Powerg...0z2k7nmb4gymTK
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68 Firebird. IA2 block, 505 cu in, SD Performance E-head, Solid roller 3600 weight. Reid TH400 3:90 gear. 28" slick. Best so far 9.95@135 mph. 1.39 60 ft. 76 Trans am, TKX .81 o/d, 3.73 Moser rearend, 468 with KRE D-ports, Doug headers, 3" Exhaust 950 Quickfuel. Last edited by chuckies76ta; 01-01-2025 at 04:53 AM. |
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#4
01-01-2025, 06:43 AM
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I ask if your body bushings are shot you may be able to gain some
Clearance with new or urethane not not I would say 64 a body is atleast as tight as a 68-72. There was no good way to install an aluminum shield and flex plate shield. The carbon trans covers wouldn't be much easier in the end, An ultra bell and a trans blanket i was the lowest profile way to go unless you want to spring for an sfi case as mentioned above
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1968 firebird cameo white on red 400 4 speed 1969 carousel red firebird 455, richmond 5 speed 1964 gto pump gas, 505 IA2 EHeads, EFI, 92 mm turbo ice cream getter in process now.... 1970 lemans hardtop, gto clone Atoll Blue 1972 Maverick powered by 2004 gto ls1 and t56 6 speed, 8.8, fox strut front end, wifes car |
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