02-11-2016, 12:05 PM | #1 |
Drives: BLUE CAMARO ZL1 1LE M6 Join Date: Jun 2009
Location: ON THE DYNO WATERBURY CT.
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JANNETTY RACING HEADER TEST 1 3/4 VS 1 7/8
American Racing headers provided Headers for testing, Thank you ARH.
There was some talk about the 1 3/4 headers were better than the 1 7/8 on this new LT-1 engine. So I decided to put it to the test. This test was done with the full ARH 3 inch exhaust system installed. header change only back to back. Multiple runs were made with both headers and best against best are compared in this graph. The results are here. All though the 1 3/4 Headers Matched peak torque of the 1 7/8 at 455 RWTQ they fell short by 8 RWTQ in the low end and fell short by 8 RWHP on the top end. Any questions ask away. Ted.
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Celebrating 37 years Performance parts, Installation, Fabrication, Dyno tuning, Remote custom tuning, and alignments. 203-753-7223 Waterbury CT. 06705 email tedj@jannettyracing.com |
02-11-2016, 12:08 PM | #2 |
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Nice work as usual Ted! Thanks for doing this!!
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02-11-2016, 12:33 PM | #3 |
Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
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Weird that the 1 3/4 lost up top and down low.
Both graphs in the same color is not easy to read. Lots of labor went into the test and thanx for the info!
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2015 2SS 1LE Clutch reservoir, Vararam DRX, ported TB, TSP 2" headers, MGW shifter Totalled: 2010 1SS Wilkes Performance/Eagle 416 shortblock, TSP custom valvetrain, PRC 260 heads, Edelbrock Pro Flo 102, th400 swap, 8" PTC 5500 stall= 535/435 at the wheels tuned Gen 3 Performance and Dyno 10.97 @ 124 full weight in 3100 DA CamaroFest X |
02-11-2016, 01:05 PM | #4 | |
Drives: BLUE CAMARO ZL1 1LE M6 Join Date: Jun 2009
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Your welcome!
Quote:
Ted.
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Celebrating 37 years Performance parts, Installation, Fabrication, Dyno tuning, Remote custom tuning, and alignments. 203-753-7223 Waterbury CT. 06705 email tedj@jannettyracing.com |
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02-11-2016, 02:20 PM | #5 |
Drives: 2016 Bright Yellow 2SS A8 Join Date: Jul 2014
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Thanks for doing this Ted. Your work is greatly appreciated.
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02-11-2016, 09:25 PM | #6 |
Drives: 14 Silverado LTZ Z71, 16 Camaro SS Join Date: Nov 2009
Location: Jackson, Michigan
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Waiting for some 2 inch testing....
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02-12-2016, 08:52 AM | #7 |
Drives: BLUE CAMARO ZL1 1LE M6 Join Date: Jun 2009
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We plan to test them as well waiting for them to be built.
Ted.
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Celebrating 37 years Performance parts, Installation, Fabrication, Dyno tuning, Remote custom tuning, and alignments. 203-753-7223 Waterbury CT. 06705 email tedj@jannettyracing.com |
02-12-2016, 09:34 AM | #8 |
Drives: 6th gen Join Date: Aug 2013
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thanks for doing all the work for this test.
any trade offs between the two besides power? clearance, etc? |
02-12-2016, 09:43 AM | #9 | |
Drives: BLUE CAMARO ZL1 1LE M6 Join Date: Jun 2009
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Quote:
ARH knocked it out of the park with excellent fit and finish.
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www.jannettyracing.com
Celebrating 37 years Performance parts, Installation, Fabrication, Dyno tuning, Remote custom tuning, and alignments. 203-753-7223 Waterbury CT. 06705 email tedj@jannettyracing.com |
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02-12-2016, 02:08 PM | #10 |
Drives: 14 Silverado LTZ Z71, 16 Camaro SS Join Date: Nov 2009
Location: Jackson, Michigan
Posts: 4,407
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02-12-2016, 02:25 PM | #11 |
Drives: 16 Camaro SS, 15 Colorado Join Date: May 2009
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Thanks for this test!
So I assume this also included a tune or some other mods? I didn't think headers alone were adding 30 - 40 HP/TQ.
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02-14-2016, 09:21 AM | #12 |
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Bigger is better.
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02-14-2016, 01:21 PM | #13 |
Drives: Camaro Join Date: Aug 2015
Location: FL
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must see 1 7/8 vs 2 on a stock motor.
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02-23-2016, 01:38 PM | #14 |
Drives: BLUE CAMARO ZL1 1LE M6 Join Date: Jun 2009
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We intend to test them ASAP.
Ted.
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www.jannettyracing.com
Celebrating 37 years Performance parts, Installation, Fabrication, Dyno tuning, Remote custom tuning, and alignments. 203-753-7223 Waterbury CT. 06705 email tedj@jannettyracing.com |
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