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Old 09-07-2010, 01:14 PM
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Injector Sizing?

Ok guys, some of you know that I'm doing some major upgrading now, and I'm stoked. But coming down to the fine details now, I need actual opinions from people who have ran like set-ups. I am getting my BTS trans in the next 2 weeks, I am running a 38r with 1.00 A/R housing, IH bellowed up-pipes, and the other mods in my sig, prolly others too lol. Probably going with Jim's Rosewood injectors. Definitely gonna do a hybrid injector, my question is with this turbo setup how are my egt's going to be with 200/30%'s vs. some 238/80%'s. Can the 238/80%'s be tuned down enough for towing duties? Not planning on racing, or sled pulling, just want some fun power, and tow power. I frequently tow 5-12k lbs in boats, tractors, etc. While swapping inj's I am going to do comp 910 valve springs and chromoly push rods. I do run a 2 stage W/M setup which I can basically put my EGT's wherever I want, but I do not want to be tied to spraying all the time.

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Old 09-07-2010, 05:00 PM
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Any ideas??
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Old 09-08-2010, 04:09 AM
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I run 250/30% with a 38r with 1.00 and u will peg 1600 on ur egt's no problem at WOT, 45-55 miles an hour and it's pegged. I also have 40's but I have 4:56 gears I don't know how much that is hurting me. I already had my 38r on the truck before I did all my mods so I went ahead and kept it to see how it would work and it sucks. Talked to swamps and couple others and 42r is way to go and with a 42r it will still do good if I want to put 200% nozzles on the 250's..... U r running water/meth but u will probably be constantly spraying it I would think. I know when I run the 1/4 mile track I hit 1600 by 1/8 mile part. I prob hit 1800 or so by the end. I see u pull 5-12k, u will hate ur egt gauge, I pull 10k travel trailer sometimes and at about 70 mph I sit at 1200 flat land and 1500ish on a little hill driving to the coast, IMO I would do a h2e turbo or 42r. Hope that helps, others mite have a diff opinion just makes sense to me.

Last edited by jmiller3104; 09-08-2010 at 04:16 AM.
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Old 09-08-2010, 04:18 AM
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So I just re-read ur post and u said 200/30% not 250, ummm..... Maybe my post will still help. Haha my bad man.
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Old 09-08-2010, 06:46 AM
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I'd keep the 2's and have TW adjust your tunes so you don't have to spray. How old are your 2's..could have old style nozzles..very smokey and hot.
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Old 09-08-2010, 12:13 PM
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Nope, I have stock inj's currently, looking to go to a small hybrid
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Old 09-08-2010, 01:46 PM
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Missread your post....38r I'd stick with 2's, go Hybrids and try for 500HP modded H2e or ...
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Old 09-08-2010, 02:18 PM
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Yah, so some small hybrids 200/30% are going to run hotter than a "stage 2" 160/80%? As far as efficiency, wouldnt a hybrid use less oil?

And h2e? Could I get out the door for under 2g's?
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