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Old 11-24-2018, 03:24 PM
dgroover4 dgroover4 is offline
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Default broken vacuum port on ls3 intake

Can the vacuum port on ls3 intake be replaced? Mine is cracked.
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Old 11-24-2018, 05:16 PM
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gerno gerno is online now
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Not sure if it can be replace. If you want to repair it I would try this stuff. I used it before with great results.

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Old 02-04-2019, 04:18 PM
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gnx7 gnx7 is offline
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For N/A use you could even use JB Weld... for boosted you need a new manifold. Luckily they are cheap to buy.
Project: 1969 Chevelle, alum 5.3, GTS76 turbo, Chiseled Perf A/W intercooler, Holley Dominator EFI, Davis TC, JRi coilovers, 14" brakes, T56 Magnum. CTS-V Recaro seats!
Coffey Fabrication Nashville, TN doing the fabwork! 800rwhp+/25mpg+/9's@150mph goal

1993 Mazda FD RX-7, built LS7, T56 Magnum, Holley HP, Davis Tech TC, 8.8" 3.73 Cobra IRS diff, DSS axles, Ohlins coilovers, big brakes.
CCW 18x11 front 315/30/18's and 18x12.5 rear on 335/30/18 RA1's, 2850lbs
10.31@137mph 165mph Shift-Sector 1/2 mile speed
441ci AllPro headed motor and 200lb weigh reduction in the works....
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