Junkyard Find: Small Block Chevy-swapped 1969 Jaguar XJ6

Murilee Martin
by Murilee Martin
The Series 1 Jaguar XJ, built for the 1968 through 1973 model years, sold fairly well in the United States but became a rare sight in self-service wrecking yards well before the 20th century was through. I photographed this ’69 in a Northern California yard all the way back in 2007, when I was busy harvesting clocks for my collection and gauges in general for my team’s 24 Hours of Lemons Volvo, and I think it’s time to share them.
Jaguar straight-sixes weren’t horribly unreliable, at least by the standards of the 1960s, but the good old Chevy 350 has always been tantalizingly affordable when the Jag’s original engine gives up. This was a very, very common swap, given the Jaguar’s spacious engine compartment and the overabundance of cheap small-block Chevrolet engines going back to the 1950s.
The shadow of the yellow-on-blue California plate, drawn in road dust, remains visible. The first year for the blue plates was 1969, so this may have been the car’s original license plate.
Would you trust any of the Lucas– or Smiths- built electrical components you see here? As I recall, I bought the clock and voltmeter, neither of which worked.
It was beat-up and showed ample evidence of liberal application of body filler, but it didn’t seem rusty. Worth restoring in 2007, with the Great Recession just getting into gear? Probably not.
It’s better to imagine a car like this when it was a very luxurious status symbol, not what it became during its decline-and-fall years.
Murilee Martin
Murilee Martin

Murilee Martin is the pen name of Phil Greden, a writer who has lived in Minnesota, California, Georgia and (now) Colorado. He has toiled at copywriting, technical writing, junkmail writing, fiction writing and now automotive writing. He has owned many terrible vehicles and some good ones. He spends a great deal of time in self-service junkyards. These days, he writes for publications including Autoweek, Autoblog, Hagerty, The Truth About Cars and Capital One.

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  • Dukeisduke Dukeisduke on Apr 02, 2018

    A lot of the transplanted XJs I've seen over the years, going back to the '80s, ran Buick 400s rather than SBCs. Was this because of the displacement versus physical dimensions?

  • Greg Greg on Jan 23, 2023

    Yes, here in Australia too in times gone by there were people in the Jag club who had fitted Buick 400's & 454's to both series 1 xj6's & also to the bigger mk10/420G's as there is plenty of room and the big block Buick v8's are still lighter than the Jag 6 cylinder!!

  • Fred Do what GM wants, cut costs. Pull out of racing hyper cars, defund the F1 program. Finally make more SUVs.
  • Cprescott I would do the following for Cadihack:[list=1][*] Make the V-Series as the base model and then add hybrid to the upgrade;[/*][*]Can the hideous Arts and Scientology (!) design disaster and bring out smoother yet crisp and sleek styling - no more boxes or tacky lighting. Let the body sculpturing win the day. I'd say take Audi and cross it with Genesis to give the vehicles stance and easily identifiable brand cues.[/*][*]Come up with interiors that are unique with quality materials and not something that looks like you ripped off Hyundai and Kia. The car must have four bucket seats that are all adjustable. [/*][*]Build to order. Get rid of this buying a Cadihack off the lot and sell at retail for a car built specifically for the client. Nothing makes a premium statement than a car built specifically for the customer - dealer will like because car will be sold at sticker.[/*][*]Expand exterior and interior colors and combinations.[/*][*]Share nothing with any other GM product. Each car / vehicle has to be a standout model even if the basis is common platform - if Hyundai/Kia/Genesis can pull this off, GM must be able to do.[/*][*]Do not mistake sticker price for luxury. The car's design and material integration will do that for you. If it does not feel, look, and smell premium, it is a Chevrolet.[/*][*]Special customer service - at the time of delivery, client gets to meet the service team that will deliver five years of complimentary service PLUS free tires for the first 50k. Special appointments and pick up car from customer and then bring it back. [/*][*]Loaner car delivered if vehicle is in the shop more than routine maintenance and picked up free of charge for first five years.[/*][*]Thoughtful design trumps technology. Vehicle should be intuitive to use and built to coddle the customer beyond his/her expectations. Vehicle must have "Wow!" - not just good enough.[/*][/list=1]
  • KOKing Kinda hate to say this but they need to be an American Land Rover sans the offroad image (and capability). Leave the Escalade alone and do a shrunken Escalade-esque lineup (the first time I saw a Hyundai Palisade I thought that was the XT6 that Cadillac shoulda made) and dump the alphabet soup models and trims.
  • Theflyersfan How to fix Cadillac? Blackwing.Now I know (because I've asked) dealers are still thinking they are selling Demons with the kinds of markups on Blackwings, but for enthusiast drivers in the know, those cars are legit. They get lost in the shuffle of M-this and AMG-that, but they hold their own. However, with rising CAFE standards and upcoming emissions requirements, along with European CO2 limits, they all can't be turbo V8s with no hybrid propulsion. So at least mild hybrid them to try to eke out another 8-10 mpg average. That's a good start. Do something with the Escalade. These aren't the early 2000s when they had the hip hop image and every corner had a jet black Escalade with chrome rims. In my area, you just don't see them any longer as money has moved to the Germans. If they want to compete with the Germans, they have to downsize it and crank the engine up to 11. It's still way too truckish to compete with the Q8, X7, and GLS. Even though they probably don't want to, keep the sedans. Don't give those up to the Germans, Japanese, and Koreans as well. And with all that, go all in with performance. Become what BMW was over 15 years ago. They tried that before and half assed it, but they have the tools to make it happen now. Try to appeal to the audience that BMW and Mercedes left behind and that Genesis and Acura are trying to claim (or reclaim). Good luck Cadillac...you'll need it.
  • SCE to AUX Introduce a modern V-16 and put it into a Celestiq-like vehicle instead of electric.
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