Dyno results: 370 c.i.
01-06-2013, 02:24 PM
#21
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I have the new Zex plate and an FJO to install shortly. The x pipe will have turn downs before the axle. Pretty sure the heads are my downfall. I've for the fast toys 98mm lid and the 85mm MAF, so its getting plenty of air.
01-06-2013, 11:54 PM
#23
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Those would definitely be better! My old 370CI with LS6 heads made 494RWHP/467RWTQ through an A4, they have real good potential. Also ran 10.70s NA and 9.90s on a 150 shot....and like an idiot I sold it before I got to spray it to the ground like it was built for!
01-07-2013, 03:24 PM
#24
Not trying to hijack the thread, but it was actually a real simple setup with a very good tune.
https://ls1tech.com/forums/drag-raci...-ci-build.html
https://ls1tech.com/forums/drag-raci...-ci-build.html
01-07-2013, 04:48 PM
#25
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Finally got the car on the dyno yesterday after the new engine was broken in.
LQ4 block, 4.030 bore
Diamond -2cc pistons
Eagle 6.100 rods
stock GM crank
ported FAST 90
PRC 5.3 heads
11.5:1
Car has a TDP T56, 9 inch and 4.30 gears.
Car made 462/412 in 73° weather.
Ditching the y pipe and cutout for duals and dumps in hopes of getting that extra power to the ground. No dyno sheet at the moment. Any comments or opinions welcome.
LQ4 block, 4.030 bore
Diamond -2cc pistons
Eagle 6.100 rods
stock GM crank
ported FAST 90
PRC 5.3 heads
11.5:1
Car has a TDP T56, 9 inch and 4.30 gears.
Car made 462/412 in 73° weather.
Ditching the y pipe and cutout for duals and dumps in hopes of getting that extra power to the ground. No dyno sheet at the moment. Any comments or opinions welcome.
01-08-2013, 02:51 PM
#28
Those 5.3 heads can make good power, your setup is real similar to mine. I have a half point more compression, little bigger cam and ported 92 intake and mine makes 500/450 at the tires NA. Take it to the track where it matters and see how she fares!
01-09-2013, 10:46 AM
#35
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If the heads come off, I will be going back on with something better. Not worth the effort to try to make 5.3 heads do more than what they do now.
01-18-2013, 12:41 PM
#37
From what I have seen Vic's and elbows are not that great of a combo. A Vic with a 4150 tb, that's a different story.
I'm running a super Vic on mine. I do have a Vic jr I'd like to get rid of. Never used other than for mock up on my 73 camaro with turbo LS.
I'm running a super Vic on mine. I do have a Vic jr I'd like to get rid of. Never used other than for mock up on my 73 camaro with turbo LS.
