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01-29-2021, 04:06 AM
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#29 | |
 
Drives: Ashen grey, 1SS, L99 Join Date: Aug 2016
Location: Oklahoma
Posts: 549
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Roto-fab big gulp, Nick Williams 102mm TB, Kong X-port LSA, Ported 821 heads, BTR stage 4 V2 pd cam, 416 CI bottom end, original block. TSP 2” long tubes, Corsa ZL-1 catback. Nitrous Outlet 102mm plate kit/100 shot JUST IN CASE. NGK BR7EF plugs with Taylor plug wires. DSX flex fuel kit, DSX aux pump, zl1 in tank. deatchwork 1000cc injectors. B&M deep trans pan, stock 6L90 converter, ZL1 diff 3.23 ratio. GM ground effects, T-Rex upper grill, Z/28 Spoiler, Forgestar F14s, 12” subwoofer, and custom paint matched interior.
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02-20-2021, 08:16 PM
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#30 |
 Drives: 2015 SS, 2006 CTS-V (wrecked...) Join Date: Jul 2017
Location: Tampa
Posts: 151
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Gears make a significant difference in dyno readings. On my 4th gen Trans Am, change from 3.42 to 3.91 lowered Dino reading about 20hp. Same dyno, no others changes to the car.
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03-23-2021, 08:05 PM
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#31 |
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Boy is the car feeling spicy
So I know it’s been a little while but I ended up getting 1 7/8 Texas speed long tubes for free. I put the long tubes on the car last Friday and let me tell you there is a noticeable difference. I know...I know butt dyno this and that but the car has definitely picked up something. I am still going to slap the car on a dyno to find out if it really was the 1 3/4 headers choking up the car and then after that a rod mod intake manifold. I will keep everyone updated again.
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03-24-2021, 09:51 AM
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#32 |
 
Drives: 2011 Camaro SS Join Date: Jul 2019
Location: Parts unknown
Posts: 848
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Did you have 391s in the first dyno run. My tuner sees a slight drop in whp on the dyno after a 391 gear swap. Also your initial rwhp seems high for your mod list.
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EPS CUSTOM GRIND CAM....K@N CAI....VMAX PTB.....FRANKENSTEIN STAGE 2 HEADS ...1 7/8 STAINLESS POWER CATTED LONGTUBE HEADERS...CORSA XTREME 3 INCH CATBACK.....CIRCLE D 3800 Pro Series stall...391 gears.....Ported/modded GPI intake .Forgestar drag pack with Mickey Thompson ET street drag radials AGP PERFORMANCE DYNO TUNED. 463 WHP 428 FTLBS TORQUE.
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03-24-2021, 09:55 AM
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#33 |
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Evil Genius of Chevrolet
Drives: 2017 Z06, 2019 XTS, 2013 SS Join Date: Feb 2017
Location: New York
Posts: 3,262
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Increasing air flow is always a win, win. The key to any power gains starts at air flow since a ICE is generally a giant air compressor. Look at what a difference the simple rod mod does to air flow.
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GPI SS2 VVT cam, ECS Novi 1500 supercharger, Corsa Extreme, Detroit Speed and BMR suspension, Circle D triple disc, Melling oil pump, LS2 chain tensioner, ATI 10% UD, DSX E85 kit, High Energy coils, BTR springs, LS2 Lifter trays, Titanium retainers, hardened push rods, FIC 1000 injectors, ZL1 pump, Mighty Mouse catch can, AEM gauges, Tial BOV, Richmond 3.91 gears, Custom gauge bezels, Speed Engineering headers, Stainless Works HF cats, DSX Aux pump, 710rwhp on E85.
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03-24-2021, 10:10 AM
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#34 |
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Yeah I believe my first dyno run with just cam only was a fluke as well. And no with cam only my rear gear was 3.45 now with cam/head the car has 3.91s
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03-24-2021, 01:09 PM
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#35 | |
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Drives: 2011 Camaro SS Join Date: Jul 2019
Location: Parts unknown
Posts: 848
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Quote:
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EPS CUSTOM GRIND CAM....K@N CAI....VMAX PTB.....FRANKENSTEIN STAGE 2 HEADS ...1 7/8 STAINLESS POWER CATTED LONGTUBE HEADERS...CORSA XTREME 3 INCH CATBACK.....CIRCLE D 3800 Pro Series stall...391 gears.....Ported/modded GPI intake .Forgestar drag pack with Mickey Thompson ET street drag radials AGP PERFORMANCE DYNO TUNED. 463 WHP 428 FTLBS TORQUE.
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| Tags |
| cam, heads cam, help me i'm a noob, need advice |
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