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  1. 454GrandPrix

    NEEDED: Olds 307 engine wiring diagram

    I've been helping a friend replace the dead 307 in his 1988 Oldsmobile Custom Cruiser with a Chevy 454. The new engine is in and entirely ready to go. We want to sort through the engine bay wiring so as to attach the few wires we need (for the gauges, etc) and remove ones that serve no purpose...
  2. 454GrandPrix

    How many ground strap connections do I need, anyway?

    My BBC-swapped 1980 Grand Prix has only two ground connections (not counting the interior). One is the negative battery cable connected to the passenger cylinder head (with no smaller wire going to the body), and the second is a small flat braided ground strap connecting the firewall to the...
  3. 454GrandPrix

    Drag Week 2018

    I am happy to see so many G-body cars in the field. Is anybody else watching the live feeds?
  4. 454GrandPrix

    Never meet your heroes? Hogwash! I did, and it was great! (Roadkill Zip-Tie Drags story)

    This weekend my co-worker Mike and I made the 800-mile trek to Tucson to attend the Roadkill Zip-Tie Drags. This is the closest any ZTD event is to our homes, so we decided it was worth the trip. I loaded my 1980 Grand Prix on to my trailer and towed it with my 2001 8.1L Suburban 2500; he...
  5. 454GrandPrix

    Zip Tie Drags - Tucson, AZ Jan 19 & 20, 2018

    My goal is to schlep my Grand Prix down there for this event. Barring any horrible snow storms in southern Utah, I'll be there. Anybody else planning to attend?
  6. 454GrandPrix

    List your personal shop rules here (inspired by fleming442)

    When I saw the title of fleming442's recent post ("Shop Rule #127"), it instantly made me think of a few rules I have tried to always follow over the years. Some of these were picked up from friends; some were learned through personal experience. I'm going to number them below. 1: Do not...
  7. 454GrandPrix

    So you want to install a 4L80E? Learn from my mistakes (and successes!)

    (Prologue: It seems that every time I mention my 4L80E transmission in this forum, somebody asks me for information about how I installed it. As I search around, I can find only one or two old threads with a few scraps of info... but it seems there isn't one all-inclusive thread to discuss the...
  8. 454GrandPrix

    Just completed steering box upgrade, now I'm baffled

    Over the last few days, I removed my leaking 605 power steering gearbox and replaced it with an 800 gearbox (spec'd for an '87 Monte Carlo SS). My pitman arm didn't swap over, of course, so I installed one from Allstar Performance at the same time. For now, I'm still using my stock steering...
  9. 454GrandPrix

    Any difference in G-Body & Grand Cherokee 800 steering boxes?

    My 605 steering box leak has gone from a small drip to nearly a steady stream, so I need to replace it immediately. I've decided to forego the junkyard route and buy a new (reman) 800 unit. Just for kicks, I have been searching the local parts stores for two gear boxes: one for an '87 Monte...
  10. 454GrandPrix

    You can still see Photobucket pix in threads -- plugin for Chrome and Firefox

    I just learned about this on another car forum. Google Chrome has a plugin called, "Photobucket Embed Fix". Make sure to delete your cookies and restart Chrome in order for it to work. https://chrome.google.com/webstore/detail/photobucket-embed-fix/naolkcpnnlofnnghnmfegnfnflicjjgj Firefox has...
  11. 454GrandPrix

    How much backspace on factory G-body 15" aluminum wheels?

    As some of you may have seen in my build thread, I recently completed the Blazer front brake upgrade. I had already been running 15x7 N90 alloy wheels from a 1980 Z28, and I'm very fond of them. But now these front wheels firmly contact the Blazer brake calipers, so I can't run them without...
  12. 454GrandPrix

    Bought a junkyard 300M dual radiator fan -- which wire is which?

    While walking through Pick-N-Pull today, I saw a Chrysler 300M with its core support unbolted and bent up at an angle. It was as if fate were screaming at me, "you need to buy this dual radiator fan setup!" Not wanting to piss off Fate, I decided to go for it. With my prize in hand, I headed...
  13. 454GrandPrix

    Chevy-swapped 1962 Ferrari 250 GTE -- The House of Muscle

    Those of you without an MTOD subscription may not have known about this.
  14. 454GrandPrix

    I want a 20+ gallon gas tank for EFI conversion. Options?

    With the weather getting warmer, I'm starting to think about my forthcoming EFI conversion. My FiTech kit is sitting in its new box in my garage, just waiting for me to install it. The only thing I haven't yet acquired is an in-tank EFI pump, but buying that will be easy enough. The more...
  15. 454GrandPrix

    of Mike Musto and your unfinished project car

    As some of you probably know, there is a newer show on Motor Trend on Demand which is hosted by Mike Musto, called the House of Muscle. In each episode, he selects some random dude's older domestic car and profiles both the car and the owner. He tries to take an authoritative look at the car...
  16. 454GrandPrix

    4L80E w/external NSS -- need wiring help (got a diagram?)

    My 1999 4L80E is installed behind my 454, and I am controlling it with a TCI EZ-TCU and a junkyard floor shifter from a FWD Grand Prix. As far as that stuff goes, it is all working well. However, if you were to crawl under my car and look at the side of the transmission, you'd see something...
  17. 454GrandPrix

    OEM floor shifter--where is the cable routed?

    Like so many G-body cars, mine was built with its (3spd automatic) shifter on the steering column. Now that I've swapped in a 454 and a 4L80E transmission, I can no longer use that shifter; I need to install one that will work with this trans. To that end, a couple months ago I went...
  18. 454GrandPrix

    BBC 454 swap -- need radiator hose help

    I have a 26" drop-in Champion radiator with stock location inlets. I have a 454 bolted to stock SBC motor mounts with a Proform aluminum long-nose water pump (#68241). I am trying to connect the two. I began by purchasing stock hoses for a Monte Carlo SS. The lower hose looks like it might...
  19. 454GrandPrix

    I need different BBC 454 headers for my swap. Help?

    I thought I had this base covered. This morning, I learned otherwise. :( Last Thursday, I spent all afternoon grinding my car and denting my (used, unknown brand, 1 3/4") header tubes in order to make them fit onto my engine. The driver's side now clears by a mile; the passenger side is...
  20. 454GrandPrix

    Anybody up for a group buy? 39 G-bodies for $45,000.

    http://www.ebay.com/itm/1983-1988-39-monte-carlo-ss-ls-aero-project-parts-cars-gbody-g-body-cutlass-/310921314965?hash=item48645ac295%3Ag%3AQ44AAOxyUylTP2ii&vxp=mtr&rmvSB=true From the seller: Selling off 39 yes i said 39 gbodies cutlass monte carlo ss ls cl and aerocoupes some cars have papers...

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