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Gollum last won the day on October 11 2013

Gollum had the most liked content!

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23 Excellent

About Gollum

  • Rank
    Tree Killer
  • Birthday 07/07/87

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  • Gender
  • Location
    Vacaville, CA
  • Interests
    Cars, Computers, Guitars, anything that makes music, or goes fast, or goes fast while making music!
  1. Yes, the "high 10's" was in reference to 1/4 mile times. Not sure we ever put it on the dyno. Best guess was it was making about 350-400hp without the nitrous. Quite a lot of HP for an OEM longblock, with a fairly decent compression ratio, and not even basic port work. I'd imagine we were giving up a lot of power, if only just under the curve, in system optimization. But landing in the 10's NA is a good safe spot. Not leaving piles of power on the table for pump gas, and leaves room to go either way down the road (force induction or higher compression pistons).
  2. Word. I cut my teeth on a turbo B16 with nitrous for good measure. Ran high 10's in a del-sol on a good day (slicks, no street rubber). Was running stock pistons and head.
  3. The Primadonna Z Story - 56K

    I'll give you my address
  4. The Primadonna Z Story - 56K

    BTW, if the ad is accurate (and the pictures match imo) then I'm not far from the area. Would gladly go look and talk to the owner for anyone. About a 30 minute drive and a bridge toll, but in the area I grew up, so I know it well.
  5. The Primadonna Z Story - 56K

    $6k isn't bad for that little piece of history.
  6. Gollum's DD L28ET 75'

    Been working on the car in tiny bite size bits, and it's coming along. Both headlights are wired up now, I have some interior lights wired in, but I don't have them on a switch yet, but I'm getting close to done for the chassis wiring. I didn't like the OEM horns much, so I picked up some new ones yesterday. I really like how well this worked out with such ease.
  7. Gollum's DD L28ET 75'

    More wiring: https://youtu.be/y8IMRUvtMGY
  8. Gollum's DD L28ET 75'

    Switch panel got wired a while ago now, just hadn't posted: And then tested a thing: https://youtu.be/GKPC6T2eQQE
  9. Gollum's DD L28ET 75'

    Right, point taken. The REALLY expensive route is to just buy a case of 190 proof everclear. You can also get tax-paid 190 proof for about $500 for 4 gallons.
  10. Gollum's DD L28ET 75'

    Isopropyl is much closer to ethanol than methanol, but you're right, it's not "the same". This actually prompted me to do some extra research since it'd been a while that I'd looked at stuff, so thank you. The "90%" rubbing alcohol tends to be about 65-75% ethanol combined with a healthy 20% methanol and some other stuff. The "99%" isopropyl is as it sounds, nearly pure alcohol that's non-consumable by nature. The stoichiometric ratio of isopropyl is 11.4 as it turns out. It does have nearly identical latent energy of evaporation of ethanol though, which means it's likely to burn very similarly in use. Stoichiometric of methanol is way down at 6.4 though, compared to ethanol (pure) at 9.0. So either I need to just tune with what I can find at the pump, or maybe mix 90% rubbing alcohol with isopropyl and see what the meter reads on the ethanol sensor. As long as I'm tuning in the peak of summer the pump mix should be fairly heavy on the ethanol mix.
  11. Gollum's DD L28ET 75'

    Just a few gallons to get a base fuel and spark table set. By having these baselines to go all the way from E10 87RON to E100 I'll have the extreme windows that will never be touched. And having the flex fuel sensor I'll be able to get a readout of current EXX mix, so once I like my E100 table I can develop a E50 table my mixing it down. In either case it won't matter a TON as I'll only be running ethanol under boosted conditions and will be shooting for fairly rich AFRs. A ballpark tune should happen quickly when I get to that point. Going to see if I can get my switches wired tonight, as the weekend is filling up with family activities.
  12. Gollum's DD L28ET 75'

    Not sure if the image is fixed, but it seems to be a public link on my end. For E100 (or E99.5) you can use isopropyl alcohol for about $20/gal. A bit pricey, but still cheaper than some of the fancier race gases. And the ever-ranging pump mix of E"85" is exactly why one should employ the flex fuel sensor into any eXX build. Got my switch panel cleaned up a bit last night. Ready to start wiring it.
  13. Gollum's DD L28ET 75'

    The switch plate (I really just grab things and toss them at problems sometimes. That was a macbook pro bottom case cover).
  14. Gollum's DD L28ET 75'

    Yup. You can drop in one of the Ford or GM ethanol sensors and run any mix you want provided you've tuned the range of course. You can also run staged injection between any two fuels with table switching/blending. The only caveat is that switching is always done from ms3x to ms3 injector outputs so obvious have to be batch injection on one set of injectors. I plan to tune on 87 octane if I can, and once I've got the secondaries installed I'll tune using e100 with the GM sensor installed, then table blending back down to e85 watching any minor adjustments needed. Then I'm not too worried about the mix I get throughout the year. I got my "switch plate"... Ummm... "Fabbed" up tonight. Will post pics from desktop machine later.
  15. Gollum's DD L28ET 75'

    Don't you know it! Will eventually be dual-fueled with e85, so it's in the ballpark in all reality.