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Thread: On3 Turbo

  1. #1
    Member magnus77's Avatar
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    Default On3 Turbo

    Hey guys,

    Anyone have any experience with the On3 Turbo's? I have the opportunity to grab a 70mm one in pretty nice condition for a 250$ (CAD). Might consider going down that route in the future so I figured might as well start collecting parts until then. Should I pull the trigger? I can find inter-coolers pretty cheap so the biggest issue would be fabbing the exhaust.

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    Cheers

    1985 LTD Crown Vic, factory hard top, 302 soon to be gt40p headed (lightly ported & blended), summit brand stealth (port matched), stock cam, summit annular 600cfm VS, dual exhaust, 3.55 LSD, AOD, electric fan swap, tan interior.

  2. #2
    I post a lot... pantera77's Avatar
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    Far as I know it's a cheap china man turbo like any old eBay special. No reason it couldn't be made to work. I'd throw it on a JY 4.8/5.3 and enjoy some real power.

  3. #3
    I post a lot... knucklehead0202's Avatar
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    Come on Pantera, did you have to be the "LS Swap It!" guy? Dang. In answer to the OP, ON3 turbos ARE cheap chinaman turbos but have been used to great effect on many things. Talk to the mustang guys on corral for info, but a lot of them run the kits. You could get the piping from ON3 and save yourself a lot of trouble as most of it would fit pretty easily with minimal modification. Depending on what happens in the next couple months with my brother's mustang project, I may be messing with an ON3 kit. If you can piece it together cheap, do it I'd say.

  4. #4
    Do a burnout, pussy. Bobcat's Avatar
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    The 70mm's are typical Ebay, cheap Chinese bullshit. The only thing worth a damn about On3 is their custom in house parts. But many say that their customer service blows too.. I wouldn't know though.

    The 70 specifically has known to be either hit or miss with quality. Functional or complete garbage, one shop said that they've had 15 70mm On3 turbo kits go through them and 9/15 were trash.
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    1985.03 Crown Vic. Coupe "CVGT" Build thread - china whirlybird, burnout machine.
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    It has air ride. I've disabled it since I've been jacking it up and down.

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  5. #5
    Member magnus77's Avatar
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    Yea I decided to pass, i've been reading read similar things. Thanks.

    1985 LTD Crown Vic, factory hard top, 302 soon to be gt40p headed (lightly ported & blended), summit brand stealth (port matched), stock cam, summit annular 600cfm VS, dual exhaust, 3.55 LSD, AOD, electric fan swap, tan interior.

  6. #6
    I post a lot... knucklehead0202's Avatar
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    Hot ticket would be to get pipework and junk from ON3 and buy a good turbo from elsewhere.

  7. #7
    Do a burnout, pussy. Bobcat's Avatar
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    Quote Originally Posted by knucklehead0202 View Post
    Hot ticket would be to get pipework and junk from ON3 and buy a good turbo from elsewhere.
    Yup.

    But the pipes don't fit our cars.
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    1985.03 Crown Vic. Coupe "CVGT" Build thread - china whirlybird, burnout machine.
    The only 6 speed box on a late model frame.

    Quote Originally Posted by SVT98t View Post
    It has air ride. I've disabled it since I've been jacking it up and down.

    That is how you're supposed to jack it.

    Up and down.

    -ryan s.

  8. #8
    Beater gonna beat sly's Avatar
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    I think the point was to get a bunch of straights and bends and patch them together to fit. Use the cheap pipe, but get a good turbo.

    Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
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  9. #9
    I post a lot... knucklehead0202's Avatar
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    Yuppers, that kit at least does some of the work for you. I'm no fabricator so the more shit I can bolt on, the better. Would really love to snag an old DDMI or INCON twin kit. Would be totally awesome on our cars.

  10. #10
    Member magnus77's Avatar
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    Yea, I'm debating on whether I should start saving for a 408w build (proper one) or a junkyard 351w build. I've seen lots of thread with people running a turbo on stock 351's with better hardware on the bottom end, easily making 550+ hp/tq.

    1985 LTD Crown Vic, factory hard top, 302 soon to be gt40p headed (lightly ported & blended), summit brand stealth (port matched), stock cam, summit annular 600cfm VS, dual exhaust, 3.55 LSD, AOD, electric fan swap, tan interior.

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    Magnus77 that is a beautiful car! That's a tough decision... 351 turbo or 408 stroker!?

    I say turbo tho if you have the know how! Make that box run!

  12. #12
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    The kits are not that bad butthe turbos need up grading. Myself would go twin turbos from a Mercury Mercur (sp) or turbo Tbird recoment the later years withthe water cooled turbine housings. Probably have to ditch the AC move the battery to the trunk move the windshield / overflow tank and remove the inner fender wells which would be melted away and possibly catch fire. Set up would be an easy 500 ft lbs of torq. Best not to cfrank it much over 5200 RPM with no more that 10 psi boost without a lot of engine mods. Keep gears like 3.08 these turbos match up well wit ha 302.
    Scars are tatoos of the fearless

  13. #13
    BANNED! sxcpotatoes's Avatar
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    408w turbo!
    ,
    Slicktop '91 GS HO 4.30 rear. '82 Mark VI Tudor HO, '90 F-150 XLT, '62 project Heep, '89 Arizona Waggin' and '88 donor in PA, getting combined.

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    I have researched a turbo 347 a lot and have already started investing,I have read a lot of mustang guys saying that on windsor blocks anything over 500hp/20psi boost its just a matter of time before you split the block right down the middle of the lifter valley.I have seen several pics of this,but again I do not know firsthand,anyone else heard of or experienced this?I might just rebuild my bored e7te block for now(once I get it back that is)and continue to gather parts and try to Aquirea dart block.

  15. #15
    I post a lot... knucklehead0202's Avatar
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    351 blocks are much stronger so that's something to think about. If you're going 8.2 deck block, either run low boost or an aftermarket block. Your experience may vary but boost + stock block generally = kablooey!

  16. #16
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    I've always been a fan of high torque low rpm stump pullers which can be done on a stock 302 block under boost within reason. Keep the rpm down and boost reasonable and it'll live. Think more like making the 302 act like a mild big block and not a race machine. Just my two cents

  17. #17
    I post a lot... turbo2256b's Avatar
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    10 psi of boost will make power more like a stockish engine twice its size a 302 would run like a 604. At Schwitzer were i WAS DESIGNING TURBOS we built several engines for ford we usally dropped the compression to 7.5 ish a high lift low duration cam different rate valve springs on inatke compaired to exhaust. Kept the rpm down to around 5200 and used low gearing like 3.08.
    Scars are tatoos of the fearless

  18. #18
    GMN Regular merc91's Avatar
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    Heard nothing but good things about all their recent offerings (5yrs or so). China makes just about everything for everything we have these days and made in china doesn't mean anything any more. We own the company, tooling, designs and quality standards... We just get them to do the labour and they have a higher IQ than north americans so that don't hurt. Cheep vs expensive generally still means something but only generally any more.

    For what it's worth when I get the dart 408 done it will likely see a pair of the ON3 70mm's or a big single. Frozenboost makes really nice intercoolers at a still decent price. What I would do for the stock blocks to be able to hold more power...

  19. #19
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    C'mon turbo2256b, we've already been though this, please stop posting incorrect information and outright lies as fact. You know not of what you speak and you have claimed to be Bob Natkin, which you're not, everyone here knows you as "David"...and no, that's not the real Bob Natkin's middle name or anything of that sort...oh yeah, the Bob Natkin you claim to be, he NEVER worked for schwitzer...the worst thing you can do is give me false information about yourself then tell me to "look you up". Across every forum you are on, people have the exact same problem with your nonsense...even in boating forums! C'mon guy, you can drop the act and stop the tall tales.

    Before this gets deleted or I get banned, isn't what he's doing the real problem? I'm just calling out the nonsense in an effort to better the forums and hopefully have the flow of false information and, at times, outright lies reduced.
    '85 CV coupe- 351W, T5-Z, FAST Ez-Efi, shorty headers, 2.5" duals with knock off flowmasters, 2.5" Impala tails, seriously worked GT-40 irons, Comp 265DEH cam, 1.7rr's, Mallory HyFire 6A, Taylor ThunderVolt 50 10.4mm wires, 75mm t/b, 3G alt swap, 140mph PI speedo, PI rear sway bar, '00 PI booster/MC, 95-97 front spindles, '99 front hub bearings/brakes, '92-'94 front upper control arms/ball-joints, 3.73's with rebuilt traction-lok, '09 PI rear disc swap, '96 Mustang GT wheels with 235/55R17's.

  20. #20
    I post a lot... turbo2256b's Avatar
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    Never claimed to be Bob Natkin but I was the one who tried to direct him to using direct injection instead of using an injector to blow air directly into the cylinder. He told me direct injection was a stupid idea. I also tried to promote the use of turbos at Ford but with all the issues that were resolved near the end of turbo tbird production the warrantys paid out on the early ones they became politically incorrect in the minds of Ford management.
    Possibly its you for some unknown reason poising my reputation. You are sounding like the bad one. Sorry if your life is about bashing bulling and trying to ruin my life.
    Did I WORK FOR sCHWITZER yes twice before my military service then afterwards.
    Scars are tatoos of the fearless

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