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  • 78HZSBC's Avatar
    18-10-2021, 08:07 AM
    78HZSBC replied to a thread Zink oil additive in Chevrolet
    So what I'm reading there is a level of 1100 -1200 ppm of zink is recommended and even down to a little less than 1000 is ok, the HPR30 has a level...
    10 replies | 291 view(s)
  • 78HZSBC's Avatar
    17-10-2021, 10:41 PM
    78HZSBC started a thread Zink oil additive in Chevrolet
    I'm sure we have discussed this subject here before but thought I'd bring it up anyway. Once my sbc is run in im most likely going to use Penrite...
    10 replies | 291 view(s)
  • 78HZSBC's Avatar
    14-10-2021, 08:40 PM
    78HZSBC replied to a thread Rev range in Chevrolet
    Thing is i havnt had a chance to really run with this yet to see how the different springs perform or notice any bogging when the secondary's open,...
    59 replies | 2368 view(s)
  • 78HZSBC's Avatar
    13-10-2021, 07:15 PM
    78HZSBC replied to a thread Rev range in Chevrolet
    I dont know much about the air bleeds but just know that i can adjust it if i need to, most likely will just run the carbi straight out of the box...
    59 replies | 2368 view(s)
  • 78HZSBC's Avatar
    13-10-2021, 06:33 PM
    78HZSBC replied to a thread Rev range in Chevrolet
    Would 77 likely be too big for my application? Reading the specs on the one i have now from memory is around 63. Obviously jets can be changed....
    59 replies | 2368 view(s)
  • 78HZSBC's Avatar
    12-10-2021, 06:40 PM
    78HZSBC replied to a thread Rev range in Chevrolet
    By the way im looking to buy a new carbi for this 350 as i have a 600vac at the moment, i was looking at the Holley Street HP 750 Vac but i notice...
    59 replies | 2368 view(s)
  • 78HZSBC's Avatar
    12-10-2021, 04:43 PM
    78HZSBC replied to a thread Rev range in Chevrolet
    Sorry GTO i miss read the post, all good. One thing i guess a rev limiter would be good for is you could set it low when leaving the car at a...
    59 replies | 2368 view(s)
  • 78HZSBC's Avatar
    10-10-2021, 07:58 PM
    78HZSBC replied to a thread Rev range in Chevrolet
    So will the SUM-850730 work? And what the difference with that and the 83647? I just ordered the 850730 today from Summit and dont know if i can...
    59 replies | 2368 view(s)
  • 78HZSBC's Avatar
    10-10-2021, 11:48 AM
    78HZSBC replied to a thread Rev range in Chevrolet
    Ah looks like ive found the problem, when i recall the memory on my tacho it reads 6500rpm but really its only around 5000-5500rpm so the memory...
    59 replies | 2368 view(s)
  • 78HZSBC's Avatar
    09-10-2021, 07:50 PM
    78HZSBC replied to a thread Rev range in Chevrolet
    Oh ok, i read your previous post and assumed you were talking about the MSD 83547. Well ill take your advice on that as ive never used one so...
    59 replies | 2368 view(s)
  • 78HZSBC's Avatar
    08-10-2021, 10:47 PM
    78HZSBC replied to a thread Rev range in Chevrolet
    Does anyone know if MSD and Mallory Hei distributors are similar or the same manufacture? Apparently the 75 series Mallory has an inbuilt rev...
    59 replies | 2368 view(s)
  • 78HZSBC's Avatar
    07-10-2021, 07:01 PM
    78HZSBC replied to a thread Rev range in Chevrolet
    Hopefully an auto with highway gears
    59 replies | 2368 view(s)
  • 78HZSBC's Avatar
    06-10-2021, 11:58 PM
    78HZSBC replied to a thread Rev range in Chevrolet
    https://www.summitracing.com/parts/msd-83647 Ok looks like this one would be suitable for my set up but ive heard international shipping from the US...
    59 replies | 2368 view(s)
  • 78HZSBC's Avatar
    06-10-2021, 03:46 PM
    78HZSBC replied to a thread Rev range in Chevrolet
    Exactly, with the gear ratio im at 6500 before you know it. And yes i have a VT V8 Getrag 290 5 speed so im happy with the gear ratios. ...
    59 replies | 2368 view(s)
  • 78HZSBC's Avatar
    06-10-2021, 10:00 AM
    78HZSBC replied to a thread Rev range in Chevrolet
    Great, i will have a look at these parts. Thanks I agree, thats why i upgraded the rods
    59 replies | 2368 view(s)
  • 78HZSBC's Avatar
    05-10-2021, 05:51 PM
    78HZSBC replied to a thread Rev range in Chevrolet
    Its not so much as keeping my foot into it but just reading the memory on the tacho, 6500rpm would have been only brief at first/ second gear as im...
    59 replies | 2368 view(s)
  • 78HZSBC's Avatar
    05-10-2021, 08:05 AM
    78HZSBC replied to a thread Rev range in Chevrolet
    Cam is Comp Xtreme Energy 230/236 Hyd. I was looking to put it on the dyno but after run in as i was going to replace the carbi at that point and...
    59 replies | 2368 view(s)
  • 78HZSBC's Avatar
    04-10-2021, 10:59 PM
    78HZSBC started a thread Rev range in Chevrolet
    Hi all, might be a stupid question but how would i know what a safe rev range would be for my engine? EFI engine's have limiters but what about a...
    59 replies | 2368 view(s)
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About 78HZSBC
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