Im aboot to put a big hole kit in my 1990 Peterbilt, for those with experience what is best sealant to use for sealing new ring to cab and sleeper? Also, do hucks need sealant on them such as under the heads?
Thanks,
Dan
What sealer is being used
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by 260REM, Jul 15, 2025 at 4:14 PM.
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Last edited: Jul 15, 2025 at 6:11 PM
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Theres a feller on utube name twinstix that did a bighole conversion on his 359
260REM Thanks this. -
Thanks, I'll check him out.
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