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TDI Power Enhancements Discussions about increasing the power of your TDI engine. i.e. chips, injectors, powerboxes, clutches, etc. Handling, suspensions, wheels, type discussion should be put into the "Upgrades (non TDI Engine related)" forum. Non TDI vehicle related postings will be moved or removed. Please note the Performance Disclaimer.

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Old November 1st, 2019, 18:22   #31
Veteran Member
Join Date: Mar 2014
Location: St.Paul, MN
TDI(s): 02 golf ALH
Fuel Economy: 42 stock, 47-49 now

Originally Posted by Votblindub View Post
Was it just lacking clamp force? 650lb is a LOT, like Corvette power and from a V8 that's damn near triple in displacement. How did that happen?
650 ft/lb is very easy to get from any tiny-turbo tdi with proper fuel system hardware
when you can lug it into 30lbs of boost at 1500 rpm, well... torque breaks parts, hp does work
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Old November 2nd, 2019, 08:55   #32
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Join Date: Dec 2008
Location: Virginia Beach, VA
Fuel Economy: ~50 in mixed driving

Exactly, I had a DC Stage 3 with SMF that started slipping in 10k miles. Fortunately my synchros went out at the same time so it was a one-time job. That clutch though was rated for some 528lb-ft at the crank. My 1752vrk was not being limited at that time so was getting 31psi (36psi spikes) by 1800-1900rpm...it was being tortured. FWIW, on the dyno it made 330lb-ft at the wheels so nowhere near the clutch's limit.
Keep the torque peak higher in the rev range if you want things to stay together. I believe my peak torque is now 2500rpm, but plenty lively below that.

'01 Jetta | 17/22, 3bar MAP, 11mm IP/Lift pump, PD 150, OMI, FMIC, PP502s, SBC st3, .685 5th, Malone Stage 5
'15 Golf | GTB2260vklr, CP3, Peloquin LSD, Sachs SRE w/DMF, Fluidampr
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