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Thread: TubbyZ28 returns?
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08-27-2024, 09:02 AM #1Administrator
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- Nov 2012
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- Shaun
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- 1994 Formula
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- Phillipsburg NJ
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Supporting MemberTubbyZ28 returns?
Picked up this 94 vert Sunday, this is the car I should have bought in Feb but couldn't afford it at the time, so instead I got a 98 mustang vert. sold that Friday, worked a deal on this, and brought it home.
bone stock other than 4.10 gears, ebay longtubes, elbow, Cai, and aluminum rad. the previous owner definitely made it look the part. but it has a header leak (he used the gaskets that came with the headers) a slight rocker/lifter tick, and he wired the fan to a switch, with speaker wire, off the power acc fuse no relay smh.
those issues will be resolved in the next few days. even @Ltconvert agreed, for what I got this for, even if it needs a bottom end, we have one and it's worth it. this is damn near as clean or a hair cleaner than the firebird.
Sent from my SM-S908U using Tapatalk2021 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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08-27-2024, 10:36 AM #2Xtreme Member
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- Nov 2008
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- Chris
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- 1994 Trans Am
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Super clean, glad I was able to see it in person. Nice addition to the fleet!
1994 Trans Am Under the knife - but it's alive!!! (5.3 LM7/CPT 60e/QP 9") BUILD THREAD
2009 G8 GXP M6, full exhaust, catch can, cai, stereo
1975 Olds 98 455 burnout machine/panty dropper | 1985 C10 new project
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08-27-2024, 10:50 AM #3Administrator
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- Shaun
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- 1994 Formula
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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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The Following User Says Thank You to SSlowBoat For This Post:
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08-27-2024, 11:49 AM #4Xtreme Member
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- Apr 2012
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- Mike
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- 96 Z28, 95 Roadmaster
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- Conshohocken, PA
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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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08-27-2024, 02:47 PM #5
Dats more than just pretty. It's like a real pretty girlfriend that also has big tits.
NICE'97 SS SLP,T56, Spec stage 2+ clutch,385 stroker,AFR210,XFI292,Moser 12 bolt eaton posi 4.10's. NO traction til top of 3rd gear.
'57 Chevy 3100 p/u LT1/T56
Wife's '94 Z28 has been sold.
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08-30-2024, 10:04 AM #6Administrator
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- Nov 2012
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- Shaun
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- 1994 Formula
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Supporting Memberalready fixed the hacked fan wiring. he installed an amazon aluminum rad/single fan with nice shroud, but just cut the factory wiring off. i fixed the wiring and fixed the tune. also he had the tcc lockup turned off for whatever reason when he tuned it for the 4.10 gears, i corrected that, and made the shift tables and kickdown percentage less aggressive to drive a little better. took it for a ride last night, and of course the new water pump he installed has a small wheep somewhere, smh.
one other thing that is something i noticed when we looked at it is the oil pressure gauge reads low. he claimed he ran 10w30 mobil one in it, but it seems thinner than that, he also did have the cluster out though when he did led bulbs in it, so not sure if thats why (alt gauge reads high as well, and fuel gauge is a quarter tank higher than reality) but coolant temp and mph/rpm read correct per eehack.
i bought a mechanical gauge that im going to tap into the fitting above the filter after an oil change tomorrow, and also going to double check the pickup didnt fall off.
other than those few small things, it feels good cruises good runs so far good2021 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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08-30-2024, 02:04 PM #7
The OEM oil senders are notorious about reading low. But then GM didn't set the oil pumps up for much pressure either. I've always said , if the lifters ain't tapping at hot idle, the gauge is lying. I had a '89 GMC truck I bought new that always read real low oil pressure. At about 100k and something miles the gauge drop to zero one day and the oil warning light came on. I was oh shitting til I realized the engine wasn't knocking and the lifters not tapping. Put a new sending unit on it and was shocked to see I had 40 at idle and 60 cruising.
Last edited by JOATMON; 08-30-2024 at 02:10 PM.
'97 SS SLP,T56, Spec stage 2+ clutch,385 stroker,AFR210,XFI292,Moser 12 bolt eaton posi 4.10's. NO traction til top of 3rd gear.
'57 Chevy 3100 p/u LT1/T56
Wife's '94 Z28 has been sold.
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08-30-2024, 02:08 PM #8Administrator
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- Shaun
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- 1994 Formula
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Supporting Memberslight tap at #1 exhaust and #2 exhaust, but it could very well be the header gaskets. changing them to some 1406 and red rtv tomorrow, along with a moroso 22459 oil filter and some 10w40, and a mechanical gauge ill put in the cowl old school
Sent from my SM-S908U using Tapatalk2021 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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The Following User Says Thank You to SSlowBoat For This Post:
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08-30-2024, 02:39 PM #9
HMMM, Hope its not OP related. The '94 Z28 my wife used to have always read real low. When the warranty expired, I switched over to 20w50 Castrol GTX changed every 3k miles for the 30 years that we owned it. I went with the 20w50 because the factory tune runs the engine so fuckin hot the oil gets thin as water. It was never modified in any way, left it bone stock. Only had 120k miles on it when she let it go.
'97 SS SLP,T56, Spec stage 2+ clutch,385 stroker,AFR210,XFI292,Moser 12 bolt eaton posi 4.10's. NO traction til top of 3rd gear.
'57 Chevy 3100 p/u LT1/T56
Wife's '94 Z28 has been sold.
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The Following User Says Thank You to JOATMON For This Post:
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08-30-2024, 02:41 PM #10Administrator
- Status
- Offline
- Join Date
- Nov 2012
- Name
- Shaun
- Vehicle
- 1994 Formula
- Location
- Phillipsburg NJ
- Posts
- 7,346
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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The Following User Says Thank You to SSlowBoat For This Post:
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