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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 October 11th, 2018, 17:13   #1
BigTurboAlh
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Default Cjaa internal strength

As title says. How much whp are people doing with stock bottom end? Iím pretty sure they have fractured cap rods.
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Old October 11th, 2018, 17:22   #2
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Quote:
Originally Posted by BigTurboAlh View Post
Iím pretty sure they have fractured cap rods.
they do
and some very nice looking pistons

only got a shortblock someone siezed, so no input from me other than that the hard parts look very nice
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Old October 11th, 2018, 17:35   #3
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I figured lol think they would last at 250-280 for a year? I’m trying to avoid tearing into it till steel pistons come out.
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Old October 11th, 2018, 18:07   #4
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I don't think that would be a problem. You could always limit the torque to around 375-400 lb-ft to keep cylinder pressures reasonably safe.
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Old October 11th, 2018, 19:06   #5
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probably hold up to that with stock head bolts, even
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Old October 11th, 2018, 20:03   #6
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Hmm I was just gonna put studs and springs in it. But I guess I’ll leave it stock till next year.
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dual valve springs, pistons flycut and decompressed, arp rod bolts main studs head studs, h beam rods, pnp, frank06 cam and oil pump, fueled, sb drag clutch, fass 150, hx30-hx40 compound, nx water meth kit, special injectors, 11mm pump, 3.5in downpipe to 4in rest of the way back.
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Old October 11th, 2018, 20:34   #7
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I don't think you'll see 280 whp with the stock valve springs. Probably not even 250 whp.
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Old October 12th, 2018, 18:36   #8
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267hp on stock valve springs....

https://youtu.be/sK8rjQRICe4

Colt stage 3 cams, valve springs and head porting next... still on stock head bolts. ARP studs with upcoming head work.
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Old October 12th, 2018, 19:09   #9
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Quote:
Originally Posted by travis45 View Post
267hp on stock valve springs....
https://youtu.be/sK8rjQRICe4
Colt stage 3 cams, valve springs and head porting next... still on stock head bolts. ARP studs with upcoming head work.
That's awesome! Especially on a Mustang dyno. You should post up a pic of the dyno plot. I'd love too see where a 2260 cjaa makes it power.
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Old October 12th, 2018, 20:16   #10
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Old October 12th, 2018, 22:16   #11
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That's a beautiful thing. Max power at 4850 rpm! The torque on my cr170 mustang plot starts falling off at 2400, and max power at 3860. Maybe it's time to break the piggy bank and buy a gtb kit.
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Old October 13th, 2018, 08:19   #12
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She pulls hard all the way to redline. Could use a little dialing in yet. Will be updating the DSG tune to up clamping pressure and bump the shift points up a bit before trying for more power.

Really excited to get the head in order. So far as I know, I have the first Colt stage 3 cams in existence for CR TDI's.

Hoping to crack 300hp. I think it can be done. Jamie Bridges made 394hp with a stock bottom end.
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Old Yesterday, 15:28   #13
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Sick that’s what I like to see head studs also? Any videos of Jamie’s car?
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2000 ranger alh swap daily driven
dual valve springs, pistons flycut and decompressed, arp rod bolts main studs head studs, h beam rods, pnp, frank06 cam and oil pump, fueled, sb drag clutch, fass 150, hx30-hx40 compound, nx water meth kit, special injectors, 11mm pump, 3.5in downpipe to 4in rest of the way back.

Last edited by BigTurboAlh; Yesterday at 15:31.
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Old Yesterday, 17:31   #14
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Jamie is XJAY here on the forum and does have some YouTube videos. He also has his big turbo for sale on the classified forum here.
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