 Engine struggle at 5k & up???, Spark plugs? |
 Dec 17, 2010 - 8:42 AM
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Enthusiast  Joined Dec 11, '07 From Davie, Florida Currently Offline Reputation: 4 (100%)  |
What's up guys?
I asked Culp about this already and he advised me that it is probably the spark plugs, wires, etc. But I thought I'd ask around, even though he is a veteran at Celica problems. I have a 94 GT with a swapped 3rd gen 3SGTE, FMIC, Greddy Boost Controller, HKS BOV, and 3 inch piping with a Apexi exhaust. Not sure if all this is relevant, just thought I'd let you guys know my setup in case any of these things has to do with the problem. I usually don't drive my car hard, but the other day I tried to red line it and when I reached about 5k, the engine started to struggle to get higher. When I punched it, it pulled HARD. But when I reached 5k it wasn't pulling so hard again. Any suggestions on what may be causing this? I didn't check to see if the boost was still hitting hard, but I doubt this is a turbo problem. Thanks in advanced for any help! -Ryan |
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Dec 17, 2010 - 8:52 AM
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 Moderator Joined Oct 1, '02 From fall river, ma Currently Offline Reputation: 13 (100%) |
how much boost are you running?
prolly worn ignition components as stevenson suggested. -------------------- Former Team 5SFTE pro member ;)
 13.6@108MPH, 5SFTE Powered |
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Dec 18, 2010 - 9:54 AM
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Enthusiast Joined Dec 11, '07 From Davie, Florida Currently Offline Reputation: 4 (100%) |
QUOTE (presure2 @ Dec 17, 2010 - 8:52 AM)  how much boost are you running? prolly worn ignition components as stevenson suggested. I'm currently running 10lbs. Axel04 told me that stock boost for a 3S is 13lbs, can anyone confirm this? I guess changing the ignition components is what I'll be doing this weekend then. -Ryan |
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Dec 18, 2010 - 10:31 AM
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 Enthusiast Joined Aug 31, '02 From Philadelphia, PA Currently Offline Reputation: 8 (100%) |
QUOTE (str8thugginit4ya @ Dec 18, 2010 - 9:54 AM) QUOTE (presure2 @ Dec 17, 2010 - 8:52 AM) how much boost are you running? prolly worn ignition components as stevenson suggested. I'm currently running 10lbs. Axel04 told me that stock boost for a 3S is 13lbs, can anyone confirm this? I guess changing the ignition components is what I'll be doing this weekend then. -Ryan Yes 13 is stock. You can even safely set it to 15psi and drive around like that all day long without any problems. -------------------- 15PSI - 30MPG - Megasquirt Tuned
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Dec 18, 2010 - 6:31 PM
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Enthusiast Joined Dec 11, '07 From Davie, Florida Currently Offline Reputation: 4 (100%) |
QUOTE (lagos @ Dec 18, 2010 - 11:31 AM) QUOTE (str8thugginit4ya @ Dec 18, 2010 - 9:54 AM) QUOTE (presure2 @ Dec 17, 2010 - 8:52 AM) how much boost are you running? prolly worn ignition components as stevenson suggested. I'm currently running 10lbs. Axel04 told me that stock boost for a 3S is 13lbs, can anyone confirm this? I guess changing the ignition components is what I'll be doing this weekend then. -Ryan Yes 13 is stock. You can even safely set it to 15psi and drive around like that all day long without any problems. Thanks Lagos. This may be a dumb question but if you have the boost set lower, would it save on the gas mileage? I would think so, but just to know for sure. -Ryan |
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Dec 19, 2010 - 10:35 AM
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Enthusiast Joined Aug 31, '02 From Philadelphia, PA Currently Offline Reputation: 8 (100%) |
depends on how you drive. If you floor it everywhere then yes because your car will be making less power and using less gas.
-------------------- 15PSI - 30MPG - Megasquirt Tuned
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Dec 19, 2010 - 10:43 AM
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 Enthusiast Joined Apr 17, '06 From New Jersey Currently Offline Reputation: 105 (100%) |
as long as you drive responsably you will get good MPG out of this engine, I mean considering the power it has and such.
on a regular week I get pretty close to 30 MPG driving to work ( 90 miles round trip ) I'm currently running 17 psi, I can get as low as 18 MPG when enjoying the car on weekends. so it's all on your driving. --------------------  |
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Dec 19, 2010 - 2:12 PM
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Enthusiast Joined Dec 11, '07 From Davie, Florida Currently Offline Reputation: 4 (100%) |
QUOTE (Culpable04 @ Dec 19, 2010 - 11:43 AM) as long as you drive responsably you will get good MPG out of this engine, I mean considering the power it has and such. on a regular week I get pretty close to 30 MPG driving to work ( 90 miles round trip ) I'm currently running 17 psi, I can get as low as 18 MPG when enjoying the car on weekends. so it's all on your driving. Sounds good! Thanks Culp. Yea, I don't really punch it too much. If I do, it's on the rarest of occasions. Thanks for all the info guys! -Ryan |
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