what motor mounts are you using?
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R1cefed's turbo build.
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I am using stock motor mounts....I didn't want to risk transfering any vibration to the car with poly or solid.
About the elbow though that ***** will be a tight fit. I am really doubting even the edelbrock ultra low profile elbow I have on order will fit. ( I know it sucks but it wont be so bad pressurized I hope. Either way it is not max effort by anymeans if it costs me a couple hp to save hacking my car to death I guess I will live with it unless it is really horrible.
I am impressed how well my STS system is going on the car....literally no hacking....every part/bent fits like a glove and assures me that its sealing properly. I really thought it would be a nightmare but its very smooth so far .... I will post pictures tomorrow when I get the car a little higher in the air.99ws6 - Huron Speed Turbo - PT67
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The problem with those low profile elbows isn't the fact it might cost you a few HP. Its about air distribution. Just because the AFR reading in your exhaust says 12:1 doesn't mean the front 4 arent 8:1 and the back 4 arent 15:1. Last thing you want to do is have a few holes go lean. Tolerances are tighter with a boosted motor than anything when your trying to keep stock parts alive.
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did you buy an ls1 STS kit? i bought an lt1 kit, and tried to make it work for my ls1. took a lot of fabrication (which i'm not good at). my car is lowerd. i had to raise rear to stock ride height to not scrape all over the place.98 z28, m6, monster clutch, eibach pro kit, custom twin turbo setup, 317 heads, z06 valve springs, arp rod bolts, 512rwhp at 10lbs. cobra eater
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After doing some research I have learned that an elbow on a boosted setup is not the cause of distribution problems, on a n/a or nitrous setup I would never run one but you should be fine on a turbo car. I am willing to bet an elbow to fit under that area is going to rob a good bit of horsepower in itself I'd say at least 50rwhp.Doing less with more

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Damn you jeff don't tell me 50hp...ur going to make me chop my car apart.....if it is that bad I will have to weld one up over winter and just send this shit back.
I have a ls1 sts kit with the "750 "upgrade. .96 a/r and. 60 compressor. I will see how it does I am sure it will spool fast as hell. Just hoping I can get some rpm out of it.99ws6 - Huron Speed Turbo - PT67
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I'm still just not getting why you didn't use a stock manifold guys have gone 8s on them they arent a restriction at that power level at all. Do some good research on low pro elbows they can be a huge restriction on the intake tract, buy one that is proven do not buy an ebay specialDoing less with more

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