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lemikson's Avatar
Join Date: Jan 2014
Location: Toronto, ON
Posts: 110
After Tial F38 installed, WG body in contact with torque tube = > OK or NOT

Just got Tial F38 wastegate installed along with the 3 exhaust system. Custom job done by a very reputable fabricator, and excellent job execution by all means. Installation done with adaptor plates, hooked into 2-piece cross over pipe and dump tied into exhaust just before Hi-Flo CAT. Support bracket between OE WG and torque tube not used.

For some reason fabricator decided to set the body of the WG in contact with the torque tube. Zero clearance when exhaust cold sitting solidly on the torque tube.

Do any of you see issues down the road with set up like this? I am not concerned about the movement under engine torque (rotation) as everything will/should rotate at the same amounts (up to that point everything is sold joints engine, exhaust, WG, torque tube). Temperature expansions / contractions of the WG branch is what is maybe worrying me a bit, or I am over thinking it? Car is not a daily driver, but sees a solid push on DE days.

Also, not sure how the OE WG was supported via helper bracket connected with the torque tube? Was there a soft joint feature in that set up or it was a solid bolt-to bolt execution? If later than I should be OK I guess.

Old 05-27-2018, 08:39 PM
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In the Fires of Hell.....
kdjones2000's Avatar
Join Date: Oct 2007
Location: Phoenix, AZ
Posts: 3,327
Stock is solidly mounted to TT with a bracket.

You should be fine, as all of the setups I am aware of that use the Tial do not use the stock bracket.
NASA/PCA Instructor: '88 951S - with LBE, Guru chips, 3Bar FPR, 1.3mm shimmed WG, 3120 lbs, 256 RWHP, 15 psig boost
1987 924S 944 SPEC racecar - '88 pistons/DME, short 5th
1987 944S - Restored salvage title, ready to live again
I can fix your late 944 Cruise Control module - PM for details
Old 05-27-2018, 09:38 PM
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your average wrencher...
Join Date: Oct 2007
Location: Bedford, PA
Posts: 1,367
Looks like mine for the last 8 years. You'll be fine.

1986 951 Garrett turbo, Rogue Tuned.
1987 944S chipped, konis, rollbar (traded)
1979 924 total rebuild and blueprinted (sold)
1988 XJ 5in lift,long arms, 4.6 stroker, ax-15 w/ 35s
1995.5 Audi S6 Full RS2 bolt-ons, EFI tuned.
Old 06-01-2018, 07:40 PM
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