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Go Back   TDIClub Forums > VW TDI Discussion Areas > TDI Power Enhancements

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 December 2nd, 2019, 09:34   #1
Chichi2k
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Join Date: Feb 2019
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TDI(s): 1.9 tdi
Default Sdi pd camshaft into TDI PD

I know that there are some threads on this but , is actually someone rolling with SDI cam in TDI PD ? I am looking to install a 2.0 GOLF 5 SDI cam into 1.9 AVF soon . I previously owned a Seat Leon 1.9 ASV which ended up with 240HP . Among alot of mods , i used a SDI cam into it . Because i knew my car , the difference was immediately , i noticed a stronger exhaust sound , and increse in torque , starting from 1900RPM car was noticeably more aggresive and rpm went up quicker . I wish if someone installed SDI into PD can say something about how he felt the car after . Cheers .
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Old December 2nd, 2019, 12:19   #2
Zak3
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I think itís the same camshaft for all 4cyl PD engines !
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Old December 2nd, 2019, 23:34   #3
Chichi2k
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Well , its not the same oem code. And if u ever drove sdi u will find it nicer to drive than a tdi without turbo working.
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Old December 2nd, 2019, 23:48   #4
adamss24
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It might be different OEM code but unless you swap it over we wont know the difference ! What e meant is there is little difference between cams and you're better off spending your money on other modds...
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Old December 3rd, 2019, 00:45   #5
Chichi2k
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Well its sure that it has higher duration on injectors and that s a start. Uneducated guess tells me at least 10 15hp gain
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Old December 3rd, 2019, 04:40   #6
bhodgkiss
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Doesnít the PD camshaft have extra lobes for injectors?
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Old December 3rd, 2019, 05:58   #7
Yourbuddysatin
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Quote:
Originally Posted by bhodgkiss View Post
Doesnít the PD camshaft have extra lobes for injectors?
Yes. 3 lobes per cylinder.
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Old December 3rd, 2019, 06:49   #8
Chichi2k
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Ofc it has lobes that press on injectors . So i assume that for SDI injector lobes are different so that s where duration difference come from
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Old December 3rd, 2019, 08:38   #9
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I believe the main difference is the exhaust valve lobe duration. Gains should be mostly on the low end of powerband. Probably quite useful for spooling a big, lazy turbo.
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