Dynoed my 334 Stroker
05-01-2019, 10:21 PM
#1
Dynoed my 334 Stroker
Dynoed my engine today. I put a dual plane manifold and carb on it for the engine Dyno. When it goes in the car I will have it on the chassis Dyno to tune it with the TPI.
This engine is in a 1989 Five speed Blue Iroc. Numbers matching so I kept the 305. It also has to pass California Smog. So it is a very mild build. 9.2 to 1 Crane smog roller cam 214 220 112 440 460 lift Trickflow 175 heads. I have a edelbrock lower and SLP runners for the car. I thought I would share these numbers.
Last edited by kenmaisaano; 05-01-2019 at 10:25 PM.
05-02-2019, 06:35 AM
#3
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Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
Re: Dynoed my 334 Stroker
I really don't it will drop as much as most people believe and the torque numbers should swell in the midrange. The lower intake/SLP runner combintation should be strong until 5,500 on that engine.
05-02-2019, 09:45 AM
#5
Re: Dynoed my 334 Stroker
Yep that's also my guess. I will have it on the chassis dyno at Westech The same place that ran it on the engine dyno. These guys are Super sharp so they will also have a good idea about the tq gain and power loss. Also Richard Holdener Hot Rod Magazine editor was there and has done a TON of testing years back on TPI stuff. He said over a Stock TPI setup, it would loose about 35 HP. This car is going to be a fun driver for me. If it ever goes to the track and runs mid 13s I will be super happy. I think that's a very easy goal. with the five speed gearing and TPI midrange torque.
Last edited by kenmaisaano; 05-02-2019 at 09:53 AM.
05-02-2019, 11:18 AM
#6
Re: Dynoed my 334 Stroker
I would have guessed nearer 320’s whp if it was chassis dyno’d as it sits currently at 384 flywheel thru a 5 spd. If that breaks 300 whp with a tpi i would be impressed. I feel like it would be 280’s-290’s at best
either way thats def low 13’s potential and 12’s if it could 60 ft like a stalled auto car
either way thats def low 13’s potential and 12’s if it could 60 ft like a stalled auto car
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05-02-2019, 05:39 PM
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Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
Re: Dynoed my 334 Stroker
I would have guessed nearer 320’s whp if it was chassis dyno’d as it sits currently at 384 flywheel thru a 5 spd. If that breaks 300 whp with a tpi i would be impressed. I feel like it would be 280’s-290’s at best
either way thats def low 13’s potential and 12’s if it could 60 ft like a stalled auto car
either way thats def low 13’s potential and 12’s if it could 60 ft like a stalled auto car
The cammed L30 305 Vortec n my Tahoe made 280 rwhp and 300 rwtq through a 4L60E in 2nd gear with the converter locked.
05-03-2019, 01:16 AM
#10
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Car: 84 TA orig. 305 LG4 "H" E4ME
Engine: 334 SBC - stroked 305 M4ME Q-Jet
Transmission: upgraded 700R4 3200 stall
Axle/Gears: 10bolt 4.10 Posi w Lakewood TA Bars
Re: Dynoed my 334 Stroker
from a fellow 334 builder. 
05-07-2019, 09:50 PM
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Car: 1988 Trans Am
Engine: L03
Transmission: 700R4
Axle/Gears: 10 Bolt 2.73 Open
Re: Dynoed my 334 Stroker
Wow, those numbers look great...very level torque though the rpm range. Can't wait to see how this works out in the car.
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