Nos
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Junior Member
Joined: Mar 2004
Posts: 68
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From: Reading Pa
Car: 1989 irocz convert
Engine: 383 tpi
Transmission: 4 spd auto
Nos
How involved is installing a wet tpi nos system?? Also...with only 100 to 150 h.p. is an aftermarket ignition and retard box neccesary??
Supreme Member
iTrader: (8)
Joined: Jul 2001
Posts: 3,204
Likes: 7
From: New Boston, IL, USA
Car: '90 Formula 350
Engine: 383 SBC
Transmission: ProBuilt S/S 700-R4 & ACT 9" Stall
Axle/Gears: 10 bolt 3.23
https://www.thirdgen.org/techbb2/sho...hreadid=160192
https://www.thirdgen.org/techbb2/sho...hreadid=300983
Some people go to colder spark plugs. Others just pull 2 degrees for every 50 hp out, while others do plugs and timing together.
Either way you need to becareful of detonation that'll break stuff quick.
Make sure to get a good fuel pressure gauge that you can watch. I've seen posts about low fuel pressure under nitrous shots, or the oil pressure sender going low and shutting off the fuel pump while the nitrous was active. Neither one usually turns out good.
https://www.thirdgen.org/techbb2/sho...hreadid=300983
Some people go to colder spark plugs. Others just pull 2 degrees for every 50 hp out, while others do plugs and timing together.
Either way you need to becareful of detonation that'll break stuff quick.
Make sure to get a good fuel pressure gauge that you can watch. I've seen posts about low fuel pressure under nitrous shots, or the oil pressure sender going low and shutting off the fuel pump while the nitrous was active. Neither one usually turns out good.
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