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Thread: Grandpa
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09-18-2016, 05:16 PM #51Xtreme Member
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96Z M6, ERE-383 #60, AFR 210s, LE cam, 9", Procharger D1, ???whp
95 Roadmaster T-56 swap, LE1s, baby cam, 4.56s, "The Cammaster"
95 Firehawk hooptie, bolt-ons and suspension
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09-18-2016, 05:22 PM #52Xtreme Member
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So the dyno operator took the car to redline both times.
Redline is 5522rpm
3.73 gears
27.18 diameter tires (235/55r17)
3rd gear pull in D3 setting (1:1 for 4l60e)
Peak power was at 97mph on the dyno printout and redline was 112mph
I calculated redline to actually be at about 120mph. The whole power curve looks normal but maybe a little too broad and shifted 8mph to the left. Could the trans be slipping? I know the 3-4 clutch is what goes earliest on these things (it's what went in Gma's 4l60e) so I wouldn't be surprised. I think he's set on the T56 now lol.
Also, we took the car out last night on some back roads and I can now say HOLY SHIT I didn't think a boat could handle like that. He needs a rear sway bar still and something thicker up front, but it handles very nicely.Last edited by Catmaigne; 09-18-2016 at 05:25 PM.
96Z M6, ERE-383 #60, AFR 210s, LE cam, 9", Procharger D1, ???whp
95 Roadmaster T-56 swap, LE1s, baby cam, 4.56s, "The Cammaster"
95 Firehawk hooptie, bolt-ons and suspension
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09-19-2016, 04:20 AM #53"The Rock"
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Our BIG MOMENT @ the 2012 LTXshootout
http://www.facebook.com/photo.php?v=521756391174175
1996 Camaro Z28: RIP 09/25/2016
1994 Trans Am GT: SOLD 05/2017
1985/1996GS clone: SOLD
1996 Impala SS H/C, LT, with true dual exhaust, 4.10s, lowered, with CPT trans, many cosmetic mods, and a whole lot more to come...
2002 Caddilac EscaladeL CAI, lowered, 6.0 , AWD..
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09-19-2016, 08:41 AM #54Xtreme Member
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Yeah he took off before I was ready lol. There was another burnout earlier in the day that was yuuuuuuuge. Someone has to have footage of it, I'll post it if it pops up.
Sent from my VS986 using Tapatalk96Z M6, ERE-383 #60, AFR 210s, LE cam, 9", Procharger D1, ???whp
95 Roadmaster T-56 swap, LE1s, baby cam, 4.56s, "The Cammaster"
95 Firehawk hooptie, bolt-ons and suspension
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09-19-2016, 05:29 PM #55"The Rock"
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Cool. I will b waiting
LTXtech.com IS my drug...
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Our BIG MOMENT @ the 2012 LTXshootout
http://www.facebook.com/photo.php?v=521756391174175
1996 Camaro Z28: RIP 09/25/2016
1994 Trans Am GT: SOLD 05/2017
1985/1996GS clone: SOLD
1996 Impala SS H/C, LT, with true dual exhaust, 4.10s, lowered, with CPT trans, many cosmetic mods, and a whole lot more to come...
2002 Caddilac EscaladeL CAI, lowered, 6.0 , AWD..
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09-20-2016, 07:59 AM #56Xtreme Member
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Supporting Member2021 Charger Scat 392
1994 Firebird Formula 381 stroker - Carrying the torch! - 9.90 @ 134.3mph on a 200 shot
The wrench/driver for LTConvert's 94 Z28- Ellwein 383/LE Trickflows/ D1SC / CPT Ultra Pro Race 4L60E
10.78 @ 125mph. Shooting for 9.99 for Frank Cahall!
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09-20-2016, 11:46 AM #57Xtreme Member
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96Z M6, ERE-383 #60, AFR 210s, LE cam, 9", Procharger D1, ???whp
95 Roadmaster T-56 swap, LE1s, baby cam, 4.56s, "The Cammaster"
95 Firehawk hooptie, bolt-ons and suspension
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09-20-2016, 11:47 AM #58Xtreme Member
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Supporting Member2021 Charger Scat 392
1994 Firebird Formula 381 stroker - Carrying the torch! - 9.90 @ 134.3mph on a 200 shot
The wrench/driver for LTConvert's 94 Z28- Ellwein 383/LE Trickflows/ D1SC / CPT Ultra Pro Race 4L60E
10.78 @ 125mph. Shooting for 9.99 for Frank Cahall!
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09-20-2016, 11:21 PM #59Xtreme Member
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96Z M6, ERE-383 #60, AFR 210s, LE cam, 9", Procharger D1, ???whp
95 Roadmaster T-56 swap, LE1s, baby cam, 4.56s, "The Cammaster"
95 Firehawk hooptie, bolt-ons and suspension
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The Following User Says Thank You to Catmaigne For This Post:
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09-21-2016, 11:20 PM #60Xtreme Member
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@SSlowBoat
This car was a 96 but was converted to OBDI, tune is based on Grandma's stock tune (95 Roadie). I didn't think about this until now, but is there a chance that the PWM lockup nonsense is screwing with the trans and causing slip?
I have been looking at datalogs and was using the engine RPM and trans gear to calculate an expected MPH the car should be at past the 1400rpm stall speed at any given time. What I'm getting is really strange though because the actual MPH doesn't correspond to the calculated MPH a lot of the time. Either really bad trans slip or the converter isn't locking up as it should.
Forgive me if this all sounds really stupid, I am illiterate when it comes to autos.
edit: I did a bunch of reading and I think I misunderstood how the converter works. So 1400rpm would only be the maximum allowed rpm difference between the engine and trans input. Going to make a plot of % converter slip and compare it in each gear. Could be that the trans is good, motor might be having problems. Doesn't really matter though, the cam is going into the old TA shortblock and getting dropped in eventually. He is also eyeing up a junker Formy with a T56 to part out so the swap would be pretty cheap.Last edited by Catmaigne; 09-22-2016 at 02:12 PM.
96Z M6, ERE-383 #60, AFR 210s, LE cam, 9", Procharger D1, ???whp
95 Roadmaster T-56 swap, LE1s, baby cam, 4.56s, "The Cammaster"
95 Firehawk hooptie, bolt-ons and suspension
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