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  1. 69427

    Brake rotor general "catalog"?

    Just curious if anyone knows of a site or source for brake rotors that could be ordered by size (and offset), not by make or model of car. Working on a project, and I can save some time and labor by finding a specific rotor for the application, instead of modifying the caliper mounts and...
  2. 69427

    SBC intake manifold question.

    Help a BB guy out here, please. On several sbc intake manifolds I see a couple vertical threaded holes (3/8" thread) on the center left side of the manifold. I'm drawing a blank regarding the reason they're there. Anybody have an answer for me? Thanks, Mike
  3. 69427

    PCV ideas?

    I need to plumb up a PCV system for my street rod '51 truck. My present selection of parts on the engine doesn't accomodate that, so I expect I'll have to get fancy here. I'm using 60s vintage finned Corvette valve covers (with no oil cap or PCV hole) and a late vintage Edelbrock manifold (which...
  4. 69427

    SBC fuel pump plate thickness?

    Jumping back and forth between the '84 intake fabrication and getting my '51 Chevy P/U on the road (after too many decades). I've got the original '84 engine sitting in the pickup, and I'm about to put a mechanical fuel pump on it. This engine didn't have an old style fuel pump plate on the...
  5. 69427

    Safety wire bolts/screws

    Before I go to all the trouble of drilling the heads on some 10-24 machine screws I thought I'd ask for some input. I'm fabricating a lower height intake manifold upper section to allow me to reinstall the stock hood on my '84. Years ago I had to put a raised cowl hood on it to clear the turbo...
  6. 69427

    C4 suspension LCA mounting method change?

    I've had my (lighter replacement) aluminum LCA crossmember 90% finished for quite some time, but I'm not comfortable with the regular method of attaching the lower control arms (clamping/bending the crossmember tabs/flanges to prevent the steel bushing from rotating around the attachment bolts)...
  7. 69427

    P/S rack in a manual mode?

    A poster (elsewhere) asked me if I still have power steering on my car, given its lighter weight compared to its original factory bulk. I said yes, but a manual rack (no pump weight) fitting my car is out of my budget. But that got me thinking. What is the steering response like (and any...
  8. 69427

    Bending tubular sway bar.

    I'm trying to modify a junkyard rear swaybar (off an old Oldsmobile FWD car) to fit my '69. I need to bend the arms inward a bit more (they're about 15* outward from a right angle, and I need to bend them so they're about 15* inward), but it's a tubular bar (metric, about .600" diameter and...
  9. 69427

    Rubber fuel line temperature "rating"?

    Am kicking around swapping out the heater hose section from the water pump to the expansion tank, and replacing that piece with some 3/8" rubber fuel line. (This reduces the amount and weight of minimally productive coolant just sitting in that connection.) I was going to use high pressure (fuel...
  10. 69427

    Stupid question: C4 hatch manual release method?

    Just curious. Is it possible to open the rear window hatch manually? I've got the battery out, and I'm too damn lazy to put it in just to pop the rear window/hatch open. Or do I need to just quit bitching and temporarily hook the battery up with some jumper cables? Thanks!
  11. 69427

    Underhood signal voltage tap-off?

    After years of avoiding the weight of an electric fan and heavier alternator, I've got a combo I think I can live with. (I prefer a lightweight mechanical fan setup for the simplicity, low weight, reliability, and stock look, but with my front mounted steering rack, the mechanical fan location...
  12. 69427

    Distributor endplay shims

    Putting my distributor back together, and I noticed an item (most probably the result of the stupidity or carelessness of my youth) that I'm trying to fix. I have too much shaft endplay, so I need to find/make an appropriate thickness shim, but what I'm "scratching" my head about is if I lost a...
  13. 69427

    Radiator trans cooler: Any other uses?

    The lightweight radiator I put in the '69 has a cooler for an automatic transmission. Right now I've just got it capped off. Is there anything I could use that for? It seems too hot for a p/s cooler application, and using it for an engine oil cooler seems risky/complex and inefficient. Not a...
  14. 69427

    Cold air intake plumbing/routing: Fit a BB?

    I currently have a homemade air box that seals up to the L88 hood rear opening. The concept works (efficiency = ?), and with some string lengths hanging down over the hood rear opening I can see the strings being pushed inward at speeds above about 15 mph. I'd sure like to do some efficiency...
  15. 69427

    I'm a dumbass.

    I've had the original (long block) engine wrapped up in storage for several years while I put track mileage on some non-numbers matching engines. I occasionally unwrap it (every couple years), squirt some more oil in the cylinders and turn the crank over a bit. I unwrapped it today, took a peek...
  16. 69427

    Running coilovers "upside down"?

    I'm currently modifying the UCA mounts to allow a bit more dynamic caster and camber. While I've got things apart I'm kicking around running the coilovers upside down (if it will package worth a darn). They're gas shocks, so the position shouldn't be an issue (correct me if I'm wrong), and there...
  17. 69427

    Measuring my starter cranking current?

    While I'm tied up with some mechanical/fabrication stuff in the garage, I've been kicking around some future projects. I want to pull out some more battery weight this year (I'm currently running a 16# 360 CA battery), but I'd like to do it a smarter way rather than just putting in something...
  18. 69427

    Cutting aluminum.

    Guys, I need some advice. I need to cut some decent size pieces of aluminum (3-5" sizings of square tubing and channel) for a future project, and I'd like to do it with some reasonably straight cuts. I don't have a bandsaw anymore (and would prefer not to have to spend the money for another one...
  19. 69427

    Aluminum clutch Z-bracket replacement

    I've rounded up most all the material I need to fabricate the new Z-bracket, along with steel material to make a jig for the welding process. I'll be putting short steel sleeves in the ends of the aluminum tube where the assembly rotates on the ball studs. I have two unanswered questions/issues...
  20. 69427

    Power steering cooler plumbing questions.

    I'm planning on finally putting a cooler in the system over the winter. I'm not a big fan of the normal cooler placement (downstream of the rack), as it just seems like the fluid gets all heated up in the pump while driving down the straights, and then the hot fluid gets sent straight to the...
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