Originally posted by blkfordsedan
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Has any one installed a 4 in 1 header on a b3?
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[QUOTE=mattdickmeyer;333709best gap .028-.030. Just some info.[/QUOTE]
I have a set of ngk bpr5es and tried your gaping setting and it backfired a lot while decelerating, so I went back to stock setting .044. What is the cause of that back fire?:festiva: 1995 Kia Pride, 1.3 EFI, manual. :fred:
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from what i know its 1 7/8ths from the cat back... and i think the downpipe is the same...
Mike, AKA the sasquatch
1990 LX, bp+T/g25mr, 9psi dynoed at 194HP, turbonetics t3/to4e 57trim, haltech E6X standalone, 550cc injectors, turbosmart wastegate, synapse BOV, walbro 255 fuel pump, aeromotive FPR, AEM wideband, 3 inch exhaust, huge FMIC, 9LB flywheel, 6 puck clutch and way more parts that im forgetting i installed lol...
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it's 1.5" ID just so you know.Trees aren't kind to me...
currently: 2 88Ls (Scrappy and Jersey), 88LX, 90L(Pepe), 91L, 91GL (Skippy) 93 GL Sport (the Mighty Favakk), 94 (Bruce) & 95 Aspire SEs, 97 Aspire (The Joker),
94 Justy 4WD, 87 Fiero GT, plus 2 parts cars. That's my fleet.
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ok... i thought it was 1 7/8ths.... shows you what i know... lol
Mike, AKA the sasquatch
1990 LX, bp+T/g25mr, 9psi dynoed at 194HP, turbonetics t3/to4e 57trim, haltech E6X standalone, 550cc injectors, turbosmart wastegate, synapse BOV, walbro 255 fuel pump, aeromotive FPR, AEM wideband, 3 inch exhaust, huge FMIC, 9LB flywheel, 6 puck clutch and way more parts that im forgetting i installed lol...
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hehe, no prob. most replacement pieces will be that 1 7/8" dia. but the factory unit is smaller (DOH). strange thing is, the new civics with the 1.5 use the same size pipe as the festy (1.5").Trees aren't kind to me...
currently: 2 88Ls (Scrappy and Jersey), 88LX, 90L(Pepe), 91L, 91GL (Skippy) 93 GL Sport (the Mighty Favakk), 94 (Bruce) & 95 Aspire SEs, 97 Aspire (The Joker),
94 Justy 4WD, 87 Fiero GT, plus 2 parts cars. That's my fleet.
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mine had 1.5 inch piping for EACH tube comming off the head when i built my headerlol...
Mike, AKA the sasquatch
1990 LX, bp+T/g25mr, 9psi dynoed at 194HP, turbonetics t3/to4e 57trim, haltech E6X standalone, 550cc injectors, turbosmart wastegate, synapse BOV, walbro 255 fuel pump, aeromotive FPR, AEM wideband, 3 inch exhaust, huge FMIC, 9LB flywheel, 6 puck clutch and way more parts that im forgetting i installed lol...
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that's BIG for a B series.Trees aren't kind to me...
currently: 2 88Ls (Scrappy and Jersey), 88LX, 90L(Pepe), 91L, 91GL (Skippy) 93 GL Sport (the Mighty Favakk), 94 (Bruce) & 95 Aspire SEs, 97 Aspire (The Joker),
94 Justy 4WD, 87 Fiero GT, plus 2 parts cars. That's my fleet.
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made alot more top end power tho... and it was still the stock mid pipe in the car so if i went and got a 2 inch mandral bent pipe and took out the cat i bet it would have made even more power...
Mike, AKA the sasquatch
1990 LX, bp+T/g25mr, 9psi dynoed at 194HP, turbonetics t3/to4e 57trim, haltech E6X standalone, 550cc injectors, turbosmart wastegate, synapse BOV, walbro 255 fuel pump, aeromotive FPR, AEM wideband, 3 inch exhaust, huge FMIC, 9LB flywheel, 6 puck clutch and way more parts that im forgetting i installed lol...
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Originally posted by sc72 View PostMatt, what do you have for flow numbers on the B3 head--stock trim, then flowed.Last edited by mattdickmeyer; 05-24-2010, 07:43 PM.PROPOGATE! AND FACILITATE!
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