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07-20-2016, 10:20 PM #1
What numbers are you guys producing
What numbers are you guys producing with Gm847 and ported heads. Also what kind of track times do you guys get out of it.
I currently have
Gm847
Ported heads larger valves and matched intake,
52mm stock ported to
355 forged bottom end
4l80e
Dana 60
Supporting moda
I understand with the 4l80e my numbers might be lower than many but just shoot away
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07-20-2016, 10:44 PM #2The Nitrous Outlet Junkie
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http://ltxtech.com/forums/showthread...ars-on-LTxTech <----- dyno list
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http://ltxtech.com/forums/showthread...get-it-started! < ------ fastest LTx cars94 Formula "budget build" #thebeaterbird
10.177 @128.31 on a lil 250 shot
350, LT1, carb, LE grind cam, th400, 4k stall, ford 8.8 w/ 4.10s
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07-21-2016, 05:28 PM #3
Thank . So I'm assuming my forged 355 stock compression 52mm ported tb/intake
With all supporting mods gm847 porrated heads with larger valves( similar to le2) 3k stall 4l80e Dana 60
My dyno 349hp pull to 6500 and 298tq
And 8.7 1/8 at 84 is pretty low for this settup?
This was street tuned b4 my solomon tune. I haven't run again since I think I have other issues
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07-21-2016, 06:02 PM #4The FABRICATOR!
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What is the weight of the car. What size gear and what size stall?
Chris
1985 Monte Carlo SS
Mods: 9:1 383 LT1, Ported Trick Flow heads, D1SC Procharger, 4L80E, 3.50 9"
Check out the M122 MCSS build thread here!
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07-21-2016, 06:57 PM #5The Nitrous Outlet Junkie
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your hp looks good ... but TQ numbers seem VERY low ... my 95 with 148K miles and 100% stock (even a paper air filter) made 245hp and 275tq ...
with you having
"355 stock compression 52mm ported tb/intake With all supporting mods gm847 porrated heads with larger valves( similar to le2) 3k stall 4l80e Dana 60"
you should be making well over 350tq94 Formula "budget build" #thebeaterbird
10.177 @128.31 on a lil 250 shot
350, LT1, carb, LE grind cam, th400, 4k stall, ford 8.8 w/ 4.10s
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07-21-2016, 09:37 PM #6
I made 260/285 with just a catback, tho that dyno makes high numbers
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03-06-2017, 09:18 PM #7InActive Member
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97 SS, 383, TFS, Comp 268HR, headers, CAI. 336whp, 375wtq.
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03-06-2017, 10:57 PM #8"The Rock"
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03-06-2017, 11:40 PM #9
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03-07-2017, 08:25 AM #10Xtreme 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
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10.78 @ 125mph. Shooting for 9.99 for Frank Cahall!
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