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09-28-2022, 01:13 PM
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#1 |
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Having FUN in the SUN...
 
Drives: 2022 M6 ZL1 1LE Join Date: Jan 2022
Location: San Diego CA
Posts: 2,117
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DIY Hand Porting Cylinder Heads
Hey Team, I hand ported a set of LS1 heads back in the day with help from some pro's and thought it was fun... While my motor is apart, I was thinking of hand porting these LT4 heads as well...
Anyone here done any hand porting with good results?
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2022 M6 ZLE: GMS Stage.III KONG X.PORT Package + DMS Lid + GMS Rear Bumper Belly Pan + GMS Hood Bracket + GMS Flex Fuel Package + MONSTER Triple S Clutch + XDI.50% Injectors + CLICK FOR BUILD LIST or www.GRIFFIN-MOTORSPORTS.com = 915rwhp 850rwtq + E60 + 15psi
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09-28-2022, 01:17 PM
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#2 | |
          
Drives: '20 ZLE Join Date: Jun 2020
Location: Mile High
Posts: 4,179
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2020 ZL1LE A10.
LME LT4 390 short block, LME CID Heads, Kong E2650, FBO. 15" conversion, MT ET Street R 325/15. 100 octane: 1045hp/1055tq. 100 octane + Meth (1x10+): 1117 hp/1067 tq |
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09-28-2022, 02:51 PM
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#3 | |
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Drives: 19' ZL1 A10, w/pdr Join Date: Sep 2014
Location: S.W. ohio
Posts: 1,711
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BTR Stg II cam w/ 38% fuel lobe, ARH 2" headers into 3" w/Gesi cats, Kong X port, Weapon X triple ht exchangers, NW 103, Rotofab big gulp, DSX lowside, TCM tune, BMR Lockout, Mustang dyno 720 rwhp, 634 rwtq on 93 pump.
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09-28-2022, 03:00 PM
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#4 |
 
Drives: Chevrolet Camaro Join Date: Apr 2022
Location: Maryland
Posts: 216
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Massage them a little bit and clean up the casting, free horsepower never hurts...
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Procharger P1X, CSP Big Boy Cam, CSP Headers, LT5 Throttle Body, MSD Intake, LT4 HPFP, LT4 Injectors, JMS BAP, 93 + Boostane - 750+WHP
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09-28-2022, 08:48 PM
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#5 | |
 Drives: Camaro Join Date: Jan 2020
Location: Colorado
Posts: 120
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09-29-2022, 06:11 AM
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#6 |
 
Drives: 2022 LT1 Camaro Join Date: Nov 2021
Location: Fort Wayne
Posts: 48
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If they're out and you have time, go for it! Even if you aren't a pro or have machinery to throw them on, there's can always gains from cleaning up.
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10.75 @133.57mph Naturally Aspirated
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09-29-2022, 11:26 AM
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#7 |
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Drives: 2022 1SS Team Joe and Becky Join Date: Apr 2021
Location: Georgia
Posts: 218
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Without it being something I did every day, I'd just clean up any casting crud. Slowly. I have done some port matching on older heads, but just don't know enough about the newer heads to start really grinding on them. I don't know where the big gains are, but more importantly don't know where the meat is.
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09-30-2022, 06:24 PM
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#8 |
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Drives: '20 SS/1LE Join Date: Jul 2020
Location: Lafayette,Indiana
Posts: 35
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without some way to flow test the individual ports i'm not sure you could get them all close to the same? never did it though...
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09-30-2022, 08:59 PM
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#9 |
 
Drives: 2022 2SS 1LE 6 MT Join Date: Aug 2022
Location: York, PA
Posts: 70
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Wouldn't waste my time, it would all be guesswork.
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2022 Camaro 2SS 1LE
Rapid Blue || 6MT |
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10-01-2022, 09:16 AM
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#10 |
Drives: LT1 Join Date: Mar 2022
Location: Fl.
Posts: 85
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https://itstillruns.com/calculate-en...e-6393767.html
Too much will kill the bottom end. I wouldn't touch them without being able to flow them. I did spend $1,000 for George Bryce (Star Racing) to port my Harley heads but they needed it for my intended use. |
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