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05-30-2004, 12:37 PM
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#32
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Naturally Aspirated
Join Date: Jan 2003
Location: MA
Induct: N/A
1/4: 0.000
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 Quote:
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Originally posted by UnaClocker
I plan to take my heavy arse Daytona into the low 14's with the 523. I'll let you know when it pops.
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I took my heavy Daytona to 14.2 easily with an A520.
A pal of mine made over 300 HP on the dyno (& ran low 12's IIRC) with his 520, w/out a moly plate before 3rd finally let go.
Last edited by oldgregg; 05-30-2004 at 12:41 PM.
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05-30-2004, 03:20 PM
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#33
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Naturally Aspirated
Join Date: Jan 2003
Location: Penticton, BC, Canada
My Ride: Shelby Z's
Engine: 2.2 TII's
Induct: Turbo
1/4: 14.910
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 Quote:
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Originally posted by ButchN
I took my heavy Daytona to 14.2 easily with an A520.
A pal of mine made over 300 HP on the dyno (& ran low 12's IIRC) with his 520, w/out a moly plate before 3rd finally let go.
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A friend of mine is running 22 psi every day in his 89 Daytona Shelby. He's got 520 internals in a 555 case. Don't know if there's any difference in the 555 and 520 cases or not though. I remember a discussion about it and belive the final answer was that they are the same
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05-30-2004, 05:12 PM
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#35
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Naturally Aspirated
Join Date: Jan 2003
Location: Southgate, KY
My Ride: 1987 Shelby GLHS 189
Engine: 2.2L
Induct: Turbo
1/4: 12.510
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yes, the 520 and 555 share the same case as do the 523/568.
Mac... No one said the 520 was the be all end all... I know I've lived through 260whp and 300 ft lbs with one. It was the diff that gave out. When you put used trannies into a car, it's a crapshoot. Will it or won't it stand up. I was fortunate (but the damn 2 pinion diff is a killer  )
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05-30-2004, 05:32 PM
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#37
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Naturally Aspirated
Join Date: Jan 2003
Location: Penticton, BC, Canada
My Ride: Shelby Z's
Engine: 2.2 TII's
Induct: Turbo
1/4: 14.910
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 Quote:
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Originally posted by glhsken
yes, the 520 and 555 share the same case as do the 523/568.
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Just to clarify a little, I wasn't unsure about the case itself, more the construction of it. The old discussion I believe was about the 555 case possibly being heat treated and I can't recall if it was true or not, though I'm pretty sure it wasn't.
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05-30-2004, 05:37 PM
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#38
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Naturally Aspirated
Join Date: Jan 2003
Location: Southgate, KY
My Ride: 1987 Shelby GLHS 189
Engine: 2.2L
Induct: Turbo
1/4: 12.510
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LOL, you heard me shifting out of the Memphis hotel parking lot.. that damn trans had only 1 week on it before the diff gave way at the track.
Nutz.. Of that issue, I have no idea.
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05-30-2004, 07:14 PM
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#39
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Naturally Aspirated
Join Date: Jan 2003
Location: Penticton, BC, Canada
My Ride: Shelby Z's
Engine: 2.2 TII's
Induct: Turbo
1/4: 14.910
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Did some research on the heat treated case thing and found that it was pretty much unresolved in the discussion on this site, but DDG says in the transaxle guide that the 555 DID recieve a heat treated case. So I'm guessing he got it from somewhere and that may explain some of why the 520 internals seem to be holding up just fine to a daily driven 22 psi in a 3000 lb+ T-top Daytona. But I'm sure it's a matter of time before it quits, but it's putting up a fight
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05-31-2004, 09:26 AM
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#42
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Naturally Aspirated
Join Date: Jan 2003
Location: Southgate, KY
My Ride: 1987 Shelby GLHS 189
Engine: 2.2L
Induct: Turbo
1/4: 12.510
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Had nothing to do with bashing. I believe you brought up test lab.
You posted wrong information. Had nothing to do with my preferences. The info WAS incorrect. The 523 and 568 are good trans (the 568 is flat out awesome) Fact still remains, the 555 is a stronger trans than the 523. Mushy shifting can be fixed with bushings.
Too bad some members can not take correction of information posted without getting bent out of shape.
I re-read the entire thread, I was giving ACCURATE information. You had not yet appeared in the thread. Then you attempted to slam me with this
 Quote:
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But maybe Ken has a lab setup where they test these things to destruction and has lab results to prove me wrong.
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I responded that the source of the individuals incorrect info did not surprise me. After all the same individual posted this.
http://td.rcwebdev.com/showthread.php?s=&threadid=54903
and this
http://td.rcwebdev.com/showthread.php?s=&threadid=54246
I rather believe you condemned yourself with those posts.
Post help info where you are reasonably sure or make your wording such that the individual knows it is your opinion and you are not 100% sure.
Last edited by glhsken; 05-31-2004 at 10:03 AM.
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05-31-2004, 03:33 PM
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#45
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Guest
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Yeah, maybe one of the better moderators would move this thread.
Yeah, the Neon short throw shifter was one of the big reasons why I liked the 523 originally. These trannies tend to shift like Mack trucks and need something to help fix that.
As for heim joint rod shifting the 555/520, it requires welding up some brackets, pretty much hybrid 525/555 brackets. And rod shifters were only used on L bodies, but I'm sure with enough motivation they could be adapted to other cars, nothing is impossible. As for rod shifting a 523/568, it's a different shifter setup, you'd probably have to be an engineer and fabricator to pull it off.
 Quote:
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Originally posted by Koreth
I think its amusing how a thread asking about how to turn a 2.2 common block into a 2.5 has turned into a debate about transmissions. At this point it should probably be moved to the transmission section IMO.
Since we are on the topic of transmissions, I am of the understand that the short throw shift kit for the neon is a direct bolt up more or less to the 568? If that is so, in my case I would think the 568 is the ideal transmission, with firmer busthings of course, so I could use that short throw shifter. Also, I have seen people on this board talk about using a heim-jointed (sp?) rod-shifted setup on the 555, could this be used on the 568 with the short-shifter and what would be its advantages? It would also be nifty if the 555's stronger internals could be used in the 568 case, but I'm not holding my breath due to different casings.
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