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#15
by
RabbitJockey
on 26 Apr, 2007 19:04
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yeah i don't think the cam is an issue... this has been done before, i think this is all very simple haha. i just wanted to get everything i read in the searches together so i could make sure it's all good info. it's really nothing more than a hydro head on a solid lifter block switcharoo. as it's a direct bolt on for hydro 1.6's.
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#16
by
jtanguay
on 26 Apr, 2007 19:13
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chrissev did it... and had some really harsh cold weather starts...
supposedly he bought an '06 cobalt now... :cry:
check out some of his old posts!
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#17
by
RabbitJockey
on 26 Apr, 2007 19:15
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yeah i read his entire thread... he had bent valves and something else. and it was still starting at 0 degrees c, and i don't plan on driving my jetta in the winter anymore so that's plenty cold enough for me. but like malone and him both reported their cars scooted with that head on haha
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#18
by
jtanguay
on 26 Apr, 2007 19:20
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#19
by
RabbitJockey
on 26 Apr, 2007 19:46
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i'll have to post all the links i have in my favorites, i'm on the wrong computer right now though.
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#20
by
RabbitJockey
on 26 Apr, 2007 19:56
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#21
by
SMOKEYDUB
on 27 Apr, 2007 15:17
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i want to know how much boost you are planning on running because i think malone forgot to mention in that post that he could not keep the compression in the cylinder alon with andy2 and I. Im running 27 psi and everything has been checked 10 times. It just keeps pressurizing the cooling system. I wish you best of luck but i have realized that there will be no such thing as a fast idi diesel. low 14s on slicks maybe but thats it..
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#22
by
RabbitJockey
on 27 Apr, 2007 15:30
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you were all running around 30? with awesome injector pumps right? i think i will probably stick to 20 and upgrade my injector pump as i go. i did follow alot of your guys threads... seemed to have alot crazier cars than what i am planning on building...
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#23
by
RabbitJockey
on 27 Apr, 2007 15:50
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seems like as long as i don't go too crazy on power i won't have issues... definetly not shooting for anything over 140whp? but i have no real goal for 1/4 times or hp
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#24
by
jtanguay
on 27 Apr, 2007 16:48
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isn't andy2 working on o-ringing his block & head??? and a copper HG! i think that should be sufficient to hold 40 psi boost!
the best part about using the 1.9 head on the 1.6 is that it lowers the CR.. which means you can run more boost.
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#25
by
RabbitJockey
on 27 Apr, 2007 19:12
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isn't andy2 working on o-ringing his block & head??? and a copper HG! i think that should be sufficient to hold 40 psi boost!
the best part about using the 1.9 head on the 1.6 is that it lowers the CR.. which means you can run more boost.
yeah hehe, but i am using a t3 so will probably keep it under 25 psi for now... if this all goes well i might upgrade to pp manifolds and a t3/t4 but who knows. i don't know how crazy i want to get on this car. but seeing malones power numbers really makes me curious as to how superior the tdi-m is to the 1.9 and 1.6/1.9 hybrids.
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#26
by
SMOKEYDUB
on 27 Apr, 2007 20:39
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andys car is still having issues after having all that stuff done soo we havnt found the sweet stuff yet. i was only running 27 psi with 12mm giles pump.the car is intercooled and gteched at 127hp. im guessing thats wheel horsepoweer and it was very quick especially in a mk2. now its going in to a rabbit with even more mods so hopefully it will work out. Also i might add that i was using a really ported and polished 1.6 head. for the mk1 engine it will have a 1.9 head ported like crazy so i can really flow some air *cough*Nitrous*cough* :twisted:
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#27
by
malone
on 28 Apr, 2007 00:07
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the car is intercooled and gteched at 127hp. im guessing thats wheel horsepoweer
This is a common misconception; it's not wheel horsepower if Gtech is properly calibrated. Gtech reads
lower than wheel horsepower, it even says so in the instruction manual. For instance my unmodified 2006 Jetta PD100 that normally reports 100 wheel horsepower on a common dyno (just like any other PD100) will Gtech
approx. 85 net horsepower. If your Gtech was properly calibrated, then you're very likely making more than 127hp at the wheels.
A 172bhp MK3 VR6 reported only ~135 horsepower on Gtech. That's 172 brake horsepower, 155 wheel horsepower (on a stationary chassis dyno), and 135 net horsepower on Gtech.
Cheesetoast dynoed his 1.9TD @ 141whp on a chassis dyno, but we went for a run with my Gtech and it only reported
115hp. The dyno he went on is also known to exaggerate numbers anyway. My modified 1.6/1.9TD Gteched 142 net hp with zero smoke (underfueled) and it killed MK3 VR6s of equal weight.
What kind of issues is andy2 seeing since he had his head o-ringed? Did he also try a copper headgasket?
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#28
by
SMOKEYDUB
on 28 Apr, 2007 13:33
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ya he ended up using a copper gasket but he is still leaking boost pressure into the cylinders. but i think he is tearing it down again and trying to stick it back together.
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#29
by
RabbitJockey
on 28 Apr, 2007 14:02
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yeah but he was up around 180 hp?