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Search: Posts Made By: jrh@lpe
Forum: Forced Induction - V8 08-08-2013, 08:28 AM
Replies: 0
Views: 2,696
Posted By jrh@lpe
TVS1900 vs TVS2300 comparison data

I posted some engine dynamometer data of a modified LSA engine with a stock LSA TVS1900 supercharger vs the same engine converted to a LS9 TVS2300 supercharger. I posted this in the ZL1 area since it...
Forum: Camaro ZL1 Forum - ZL1 Specific Topics 08-08-2013, 08:21 AM
Replies: 24
Views: 9,161
Posted By jrh@lpe
Temperature data

Yes, we recorded air temperature into the supercharger, out of the supercharger and out of the intercooler along with intercooler fluid temperature into and out of the intercooler in all of these...
Forum: Camaro ZL1 Forum - ZL1 Specific Topics 08-08-2013, 08:19 AM
Replies: 24
Views: 9,161
Posted By jrh@lpe
93 octane fuel etc

All of this testing was done on VP109 so we do not currently have test data on 93 octane fuel.

The boost levels in the stock pulley ratio comparison testing would be compatible with 92-93 octane...
Forum: Camaro ZL1 Forum - ZL1 Specific Topics 08-07-2013, 03:28 PM
Replies: 24
Views: 9,161
Posted By jrh@lpe
Higher pulley ratio (2.38 upper pulley) dyno graph

Here is the same engine but with the stock diameter supercharger pulley (3.0") replaced with our 2.38" diameter pulley so the maximum supercharger speed has increased from 18,000 RPM at 7,000 RPM...
Forum: Camaro ZL1 Forum - ZL1 Specific Topics 08-07-2013, 03:26 PM
Replies: 24
Views: 9,161
Posted By jrh@lpe
Comparison graph showing SC pressure data

Here is a graph showing the difference in manifold air pressure (boost after the intercooler), pressure increase across the supercharger and intercooler pressure drop between the two systems (LSA and...
Forum: Camaro ZL1 Forum - ZL1 Specific Topics 08-07-2013, 03:14 PM
Replies: 24
Views: 9,161
Posted By jrh@lpe
LSA to LS9 TVS2300 conversion dyno graphs

The specifications on the engine used to perform this testing are:

378 CID LSA engine
o 8.95:1 compression ratio
o LPE forged LSA pistons (PN L290016509)
o 6.125” forged rods
o Stock stroke...
Forum: Camaro ZL1 Forum - ZL1 Specific Topics 08-07-2013, 03:11 PM
Replies: 24
Views: 9,161
Posted By jrh@lpe
LPE LSA to LS9 TVS2300 conversion front cover

The Lingenfelter Performance Engineering LSA to LS9 TVS2300 conversion supercharger front covers, part # L250406509, will soon be released for sale to the public and some jobbers with existing back...
Forum: 2016+ Camaro: 6th Gen Camaro general forum 06-19-2013, 11:56 AM
Replies: 43
Views: 47,637
Posted By jrh@lpe
2014 Silverado E85 vs gasoline acceleration testing

Given the fairly significant increase in power for the L83 on E85, we thought it would be worthwhile to go back and retest the acceleration performance on E85 fuel.

As expected from the chassis...
Forum: 2016+ Camaro: 6th Gen Camaro general forum 06-19-2013, 11:55 AM
Replies: 43
Views: 47,637
Posted By jrh@lpe
2014 Silverado E85 vs gasoline testing chassis dynamometer results

The 2014 L83 engine is rated at 380 hp on E85 (vs 355 hp on gasoline) and 416 lb-ft on E85 (vs 383 lb-ft on gasoline).

We ran the truck down to about an 1/8 of a tank and then filled it up with...
Forum: 2016+ Camaro: 6th Gen Camaro general forum 06-19-2013, 11:54 AM
Replies: 43
Views: 47,637
Posted By jrh@lpe
Stock 2014 Silverado vs stock 2010 Silverado

Here are some acceleration testing results compared to a stock 2010 Silverado 5.3L 4WD truck.

Both are 4WD, both have the 5.3L engine, both have the 6L80 transmission. The 2014 has a 3.08 and the...
Forum: 2016+ Camaro: 6th Gen Camaro general forum 06-19-2013, 11:51 AM
Replies: 43
Views: 47,637
Posted By jrh@lpe
2014 Silverado acceleration testing results, gasoline

Here are some of the acceleration performance testing results when tested on gasoline.

Best on gasoline is 7.5 seconds 0-60 mph and 15.94 seconds and 90.75 mph in the quarter mile. 1/4 data is...
Forum: 2016+ Camaro: 6th Gen Camaro general forum 06-19-2013, 11:50 AM
Replies: 43
Views: 47,637
Posted By jrh@lpe
2014 Silverado chassis dynamometer graph, stock on gasoline

Here is a chassis dynamometer graph of the truck as we received it. This is tested on our Dynojet 248 chassis dynamometer. The abrupt end of the data is due to the factory speed governor.

This is...
Forum: 2016+ Camaro: 6th Gen Camaro general forum 06-19-2013, 11:48 AM
Replies: 43
Views: 47,637
Posted By jrh@lpe
E92 ECM

Here is an image of the E92 ECM mounted in the vehicle.

http://www.lingenfelter.com/LPEforumfiles/attachment.php?attachmentid=3973&d=1371591681

Note the added security measures installed on...
Forum: 2016+ Camaro: 6th Gen Camaro general forum 06-19-2013, 11:47 AM
Replies: 43
Views: 47,637
Posted By jrh@lpe
DI fuel pump

The L83 runs a mechanical fuel pump off of an extra lobe on the camshaft. The pump is mounted at the back of the engine in the valley. The pump is fed low pressure fuel by a PWM controlled electric...
Forum: 2016+ Camaro: 6th Gen Camaro general forum 06-19-2013, 11:42 AM
Replies: 43
Views: 47,637
Posted By jrh@lpe
MAF sensor

The L83 engine runs an eight wire mass airflow (MAF) sensor. Gen IV engines had a five wire sensor with two wires are for the intake air temperature and 3 wires are for the mass airflow. The added...
Forum: 2016+ Camaro: 6th Gen Camaro general forum 06-19-2013, 11:41 AM
Replies: 43
Views: 47,637
Posted By jrh@lpe
Vacuum pump

The L83 truck engine runs a belt driven mechanical vacuum pump in order to generate vacuum for the brake booster. The C7 Corvette will likely get an electric pump. I assume the Camaro will also go...
Forum: 2016+ Camaro: 6th Gen Camaro general forum 06-19-2013, 11:39 AM
Replies: 43
Views: 47,637
Posted By jrh@lpe
Silverado engine compartment

Engine compartment with L83 engine:

http://www.lingenfelter.com/LPEforumfiles/attachment.php?attachmentid=3965&d=1371590640

with intake removed but sound deadening material still over...
Forum: 2016+ Camaro: 6th Gen Camaro general forum 06-19-2013, 11:28 AM
Replies: 43
Views: 47,637
Posted By jrh@lpe
L83 camshaft

Here is an image of the Gen V V8 L83 camshaft next to a Gen IV camshaft (extra lobe that is wider than the others is at the back of the engine and drives the high pressure fuel pump):
...
Forum: 2016+ Camaro: 6th Gen Camaro general forum 06-19-2013, 11:27 AM
Replies: 43
Views: 47,637
Posted By jrh@lpe
Crankshaft related images

Here is an image of the L83 Gen V V8 engine cast iron crankshaft. 92mm (3.622") stroke, just like the previous engines. Weighs 53.8 lbs.
...
Forum: 2016+ Camaro: 6th Gen Camaro general forum 06-19-2013, 11:25 AM
Replies: 43
Views: 47,637
Posted By jrh@lpe
L83 5.3L V8 Gen V direction injection engine images

We recently took delivery of our 2014 Chevrolet Silverado 1500 4WD with the 5.3L L83 engine. We plan to use this vehicle as a development vehicle for 2014 based truck products and also for initial...
Forum: Forced Induction - V8 04-17-2013, 07:27 PM
Replies: 34
Views: 27,852
Posted By jrh@lpe
recommendation

The first thing I would do is find out what my pump out pressure is with the existing system (ZL1 pump and what ever heat exchanger you have).

The ZR1 pump is probably the easiest high...
Forum: Forced Induction - V8 04-16-2013, 05:03 PM
Replies: 34
Views: 27,852
Posted By jrh@lpe
flow curve estimation

Keep in mind that the two sets of data I presented are not from the same test configuration. The data from the bar graph is tested in the ZL1 system configuration with just changing the pump alone...
Forum: Forced Induction - V8 04-16-2013, 04:58 PM
Replies: 34
Views: 27,852
Posted By jrh@lpe
pressure and a few other questions

The stock system (ZL1 pump, ZL1 intercooler, ZL1 intercooler radiator) was around 8 psi of differential pressure. This is fairly normal differential pressure for an intercooler system.

Yes, the...
Forum: Forced Induction - V8 04-16-2013, 04:43 PM
Replies: 34
Views: 27,852
Posted By jrh@lpe
Stewart-EMP

Yes, LPE sells the Varimax. We also sell the Stewart-EMP (in standard form and then in reprogrammed form with the higher current limit).

I am sure other companies on this forum (and outside this...
Forum: Forced Induction - V8 04-12-2013, 05:44 PM
Replies: 34
Views: 27,852
Posted By jrh@lpe
Pump pictures

Here are pictures of the pumps that were tested and mentioned in the above data:
http://www.lingenfelter.com/LPEforumfiles/attachment.php?attachmentid=3590&d=1365804177
Forum: Forced Induction - V8 04-12-2013, 05:41 PM
Replies: 34
Views: 27,852
Posted By jrh@lpe
Pump design type

The Bosch, OEM ZL1, OEM ZR1, VariMax and EMP pumps are centrifugal pumps.

I haven't taken the 20GPM and the 55GPM pumps apart but I am fairly certain the 55GPM pump is also a centrifugal pump...
Forum: Forced Induction - V8 04-12-2013, 03:51 PM
Replies: 34
Views: 27,852
Posted By jrh@lpe
No free lunch (aka LPE bias)

We would be glad to provide the pumps for third party (or is it fourth party at this point) validation but then that might lead to the an accusation that we rigged the pumps so I think, in order to...
Forum: Forced Induction - V8 04-11-2013, 05:20 PM
Replies: 34
Views: 27,852
Posted By jrh@lpe
ZL1, CTSV, ZR1 and other intercooler pump flow test results

Here are some of the results of recent electric intercooler pump testing performed at Lingenfelter Performance Engineering.

We have performed this type of testing before on several of these pumps...
Forum: V8 and V6 Transmissions / Driveline (6L80 / 6L50 / TR6060 / AY6) 01-29-2013, 06:19 PM
Replies: 1
Views: 4,933
Posted By jrh@lpe
Clutch pedal position sensor module - test subjects needed

We are finishing up testing on our module (CTAP-001) that connects to the clutch pedal position sensor on the 2010-2013 Camaros and allows you to activate/deactivate devices based on the clutch pedal...
Forum: Forced Induction - V8 01-29-2013, 06:03 PM
Replies: 6
Views: 5,221
Posted By jrh@lpe
NCC availability

Sorry to dig up this old thread but just in case someone isn't aware of this, the NCC-001 nitrous controllers have been shipping for a few months now.

Software and instructions are available for...
Showing results 1 to 30 of 95

 
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