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    Dynamic compression

    Greetings; I'm a little concerned my dynamic compression will be too high. My calculated DCR is 8.8:1. Is this too high for pumped gas? Here is my specs: Bore 4.03 Stroker 3.75 Deck clearance 0.015 Gasket 4.06 x 0.027 Piston +12 dish 383 64 cc trick flow 23 heads See attached for cam card. I...
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    Stroker oil pan with ORD sbc engine crossmember

    Hey gang; i am looking for an aftermarket oil pan for my 86 k20 that would be compatible with the 383 stroke I am building and as well clears the ORD sbc engine crossmember. I have the stock pan but don't really want the hammered look to make relieves for crank and rod hitting. Anyone out...
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    Powered sub placement

    Hello All; I watched many installs of the retrosound powered sub that fits nicely under the seat. However all those videos were for 2wd squarebodys. Appears tranny/transfer case tunnel doesn't have as much room as a 2wd. I don't have my seats yet so wondering if any of these setups have been...
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    Wire terminal ID

    Hello; I'm wanting to reuse factory radio connector terminals on my 86 k20 but do not know what kind of terminals these are so that I can order some. Please see attached. Much appreciated!
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    Fuel tank brackets

    Hello gang; I'm having issues with getting my new tanks (20 gallon, precision FT538) in my new brackets (LMC 32-5851 RR and 32-5850 FT) . I'm not sure how conforming the bracket should be but don't imagine I'd need a prybar to try to get the bracket on. You can see in my photos where it appears...
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    NP208 reassemnly help

    Hello friends. I'm putting the np208 out of my 86 k20 together. The output shaft (32 in attachment) shows only one thrust washer and one roller bearing (30, 31). However during teardown of mine there were 2 thrust washers that sandwiched the roller bearing. Which is correct? I do not believe...
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    Np208 rebuild

    Hello, I didn't. Notice how the 3 rings on this shaft were spaced prior to needle bearings falling out. Anyone have and idea? Also the sprocket on the shaft looks like there are keyway and in some videos I noticed that these keyway were filled with I inserts however upon dissambly there were...
  8. G

    Np208 oil seal

    Hello gang; I'm rebuilding my np208 and when removing the oil seal for the transmission to transfer case I had two 19236 oil seals in there. Is this factory? Should this just be one thicker oil seal? Thanks
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    Metal work

    Hey all; I am goi g to get my cab corners, inner and outer rockers replaced. They are not bad but want to throw money at it. How many hours would a competent body person spend to replace and perhaps make ready for pri.et? Thanks
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    Hydroboost conversion

    Hello; I am converting my 86 k20 to hydroboost using parts from a 85 k30. My question is if I can still use my k20 stock master cylinder? If not is there a suggested part number which will work with my stock line size and fitting thread? Thank you all
  11. G

    Fuel lines not matching OE routing

    Hello on my 86 k20 the fuel and return line end at the engi e bay on the outside of the frame (see photo) however the inline tube fuel lines I bought appear to run on the inside of the channel. Is this in error or an update? Inline parts are CTF8141 and CTF8143. With the brakes lines and vapor...
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    Help with pressing on rotor hub assembly

    Hello friends; it's been many years since I reinstalled the rotor assembly vack on spindle but I don't remember it being so difficult to seat all the way on the spindle. I just can't muscle it on there and then debating if I am missing something. Are my bearings the correct ones, see pic? I...
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    Rough country front shock mount

    Hello friends; I'm installing RC shocks in front for my k20 2" lift and there is a lot of space to fill in between the mounting ears. I called RC and they sent me the rubber cone spaces which will fill in the gap however no extended metal eyelets are provided and when I called them, they said...
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    Offroad design rear shock bracket

    Hello; I have ORD rear shock mount brace and had a question on order or washers, bracket. For example is the order stud, shock, brace, washer, lock washer, nut or...stud, shock, washer, brace, lock washer, nut? Hoping someone here is familiar to what I am asking. Regards
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    Hydroboost

    Hello everyone. I am interested in changing to hydroboost in my 86 k20 which currently is vacuum booster. I was thinking about using a hydrobooster from a 86 k30. Is it as simple as that besides new plumbing and perhaps corresponding pushrod? I see after market kits fir $800 but thought I could...
    • Gussie
    • Thread
    • hydroboost
    • Replies: 10
    • Forum: Brakes
  16. G

    Rear end advice

    Hello All...looking for opinion on what I should do to my 14 bolt semi float rear-end for my resto. I have no idea about the co dition of it however the former owner said it drove well before he parked in barn for 20 years. I was planning g on changing the wheel bearing/seals and pinion seal but...
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    Rear leaf spring bracket to crossmember support?

    Hello All; first time posting so apologize if not familiar with posting etiquette. My first resto on my 86 K20 is underway and am struggling to identify and locate the crossmember support bracket for the rear forward spring as seen in the photo that has holes due to necrosis. Anyone know if...

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