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05-04-2005, 09:53 AM
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#1 | |
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AF Enthusiast
 Join Date: Feb 2005
Location: Stoughton, Wisconsin
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difference between NT and Turbo Cams, and Pistons
ok I have 2 questions. 1) Can I just take some turbo cams from a stock GST so I can run a little boost on my NT car until I get done rebuilding my other engine? 2) whats the difference compression wise for the NT and Turbo pistons? Thanks in advance
__________________
91 Eclipse GS 5-Speed 2.0L DOHC 16 Valve (Black) Stock 93 Eclipse GS-T 5-Speed 2.0L DOHC 16 Valve (Red) Cosmo Racing Air Filter Brembo Rotors 14b turbo Faze Boost Gauge Faze Air/Fuel Gauge Dual Gauge Pod Megan Racing 3" turbo back exhaust 450cc Injectors I am selling my 1993 GS-T eclipse for 3000 obo. it has a new engine with 15,000 on it, brand new 3" turbo back exhaust, Brembo rotors, and NEW Faze A/F gauge and Boost/Vac Gauge. will post pics as soon as I can PM if interested |
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05-04-2005, 05:15 PM
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#2 | |
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AF Enthusiast
Join Date: Feb 2005
Location: Stoughton, Wisconsin
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Re: difference between NT and Turbo Cams, and Pistons
BUMP
please help me I need this
__________________
91 Eclipse GS 5-Speed 2.0L DOHC 16 Valve (Black) Stock 93 Eclipse GS-T 5-Speed 2.0L DOHC 16 Valve (Red) Cosmo Racing Air Filter Brembo Rotors 14b turbo Faze Boost Gauge Faze Air/Fuel Gauge Dual Gauge Pod Megan Racing 3" turbo back exhaust 450cc Injectors I am selling my 1993 GS-T eclipse for 3000 obo. it has a new engine with 15,000 on it, brand new 3" turbo back exhaust, Brembo rotors, and NEW Faze A/F gauge and Boost/Vac Gauge. will post pics as soon as I can PM if interested |
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05-04-2005, 09:52 PM
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#3 | |
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AF Enthusiast
Join Date: Sep 2004
Location: mississauga
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Re: difference between NT and Turbo Cams, and Pistons
The intake cams are the same for the turbo and NA versions but the exhaust cam is different. I belive the turbo has a slighly more aggressive exhaust cam. The NA has high compression pistons while the turbo has low compression pistons to save room for all that air flow the turbo brings in. The compression for a 4g63na is 9.2:1 and the 4g63t is 7.8:1. Hopefully that answers you question.
Beats the sh*t outta me why i have to do you research but im bored.
__________________
1993 Eagle Talon ES (4g63NA) 14.6 @ 98 mph (110 octane race fuel) -5 Speed Transmission (From a 4g67) -Stage 2 Crane cams -Ported and polished head -Aggresive valve springs -2.5" Custom made exhaust piping -Custom header -Gutted catalytic converter -Bored 0.5mm -Advanced ignition timing (CAS) aprox. 5 degrees (set @ ~10deg BTDC) -2g valve lifters (Lifter noise returned, now it a true DSM) -K&N w/modified air canister |
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05-04-2005, 10:21 PM
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#4 | |
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AF Enthusiast
Join Date: Feb 2005
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Re: difference between NT and Turbo Cams, and Pistons
well ill prolly leave these pistons in and just change the cams for now(both) and just boost 10 psi or so
__________________
91 Eclipse GS 5-Speed 2.0L DOHC 16 Valve (Black) Stock 93 Eclipse GS-T 5-Speed 2.0L DOHC 16 Valve (Red) Cosmo Racing Air Filter Brembo Rotors 14b turbo Faze Boost Gauge Faze Air/Fuel Gauge Dual Gauge Pod Megan Racing 3" turbo back exhaust 450cc Injectors I am selling my 1993 GS-T eclipse for 3000 obo. it has a new engine with 15,000 on it, brand new 3" turbo back exhaust, Brembo rotors, and NEW Faze A/F gauge and Boost/Vac Gauge. will post pics as soon as I can PM if interested |
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05-04-2005, 10:59 PM
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#5 | |
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AF Enthusiast
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Location: mississauga
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Re: difference between NT and Turbo Cams, and Pistons
IMO You shouldn't run more than 6psi on a 14b turbo (stock 1g) installed on a NA motor, you might be able to run little bit more boost on a T-25 (stock 2g) since it's smaller. With a 9.2:1 compression you don't have room for much air flow from the turbo inside the combustion chamber. It's allways better to be safe then sorry.
Also, have you considered looking for a used 4g63t motor, this may be cheaper (not allways) and be much less hastle. I mean, there's just so many things that could go wrong turboing a NA motor. If you do decide to turbo the NA, it's very wise to re-build the motor while at the same time installing your lower compression pistons. There's lot more to it then just pistons & cam's, for one an oil cooler and the rad is different for the turbo. Anyways do a search, there's plently of info on what to expect, and what you need to turbo a NA.
__________________
1993 Eagle Talon ES (4g63NA) 14.6 @ 98 mph (110 octane race fuel) -5 Speed Transmission (From a 4g67) -Stage 2 Crane cams -Ported and polished head -Aggresive valve springs -2.5" Custom made exhaust piping -Custom header -Gutted catalytic converter -Bored 0.5mm -Advanced ignition timing (CAS) aprox. 5 degrees (set @ ~10deg BTDC) -2g valve lifters (Lifter noise returned, now it a true DSM) -K&N w/modified air canister |
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05-04-2005, 11:26 PM
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#6 | |
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AF Enthusiast
Join Date: Feb 2005
Location: Stoughton, Wisconsin
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Re: difference between NT and Turbo Cams, and Pistons
welli have another engine sitting im my garage that im rebuilding. vavles, spring, retainers, pistons, rings, fuel pump, ECU, injectors, port and polished head, .40 over bore. that all comes after i just bolt on my turbo on my NT i have to get the ECU right now and injectors and cams then all the needs for turbo. it will cost me about a grand to turbo my NT with a 14b.
__________________
91 Eclipse GS 5-Speed 2.0L DOHC 16 Valve (Black) Stock 93 Eclipse GS-T 5-Speed 2.0L DOHC 16 Valve (Red) Cosmo Racing Air Filter Brembo Rotors 14b turbo Faze Boost Gauge Faze Air/Fuel Gauge Dual Gauge Pod Megan Racing 3" turbo back exhaust 450cc Injectors I am selling my 1993 GS-T eclipse for 3000 obo. it has a new engine with 15,000 on it, brand new 3" turbo back exhaust, Brembo rotors, and NEW Faze A/F gauge and Boost/Vac Gauge. will post pics as soon as I can PM if interested |
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05-05-2005, 01:40 PM
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#7 | |
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AF Enthusiast
Join Date: Sep 2004
Location: mississauga
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Re: difference between NT and Turbo Cams, and Pistons
Good luck w/ your project, let me know how it worked out in the end.
__________________
1993 Eagle Talon ES (4g63NA) 14.6 @ 98 mph (110 octane race fuel) -5 Speed Transmission (From a 4g67) -Stage 2 Crane cams -Ported and polished head -Aggresive valve springs -2.5" Custom made exhaust piping -Custom header -Gutted catalytic converter -Bored 0.5mm -Advanced ignition timing (CAS) aprox. 5 degrees (set @ ~10deg BTDC) -2g valve lifters (Lifter noise returned, now it a true DSM) -K&N w/modified air canister |
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05-05-2005, 04:44 PM
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#8 | |
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AF Enthusiast
Join Date: Feb 2005
Location: Stoughton, Wisconsin
Posts: 565
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Re: difference between NT and Turbo Cams, and Pistons
will do
__________________
91 Eclipse GS 5-Speed 2.0L DOHC 16 Valve (Black) Stock 93 Eclipse GS-T 5-Speed 2.0L DOHC 16 Valve (Red) Cosmo Racing Air Filter Brembo Rotors 14b turbo Faze Boost Gauge Faze Air/Fuel Gauge Dual Gauge Pod Megan Racing 3" turbo back exhaust 450cc Injectors I am selling my 1993 GS-T eclipse for 3000 obo. it has a new engine with 15,000 on it, brand new 3" turbo back exhaust, Brembo rotors, and NEW Faze A/F gauge and Boost/Vac Gauge. will post pics as soon as I can PM if interested |
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