Category Archive: 1320 Engine Tech, 1320 Tech Story, Apex Engine Tech, Apex Tech Stories, ENGINE, ENGINES, TECH, Tech Stories, Videos, XL Engine Tech, XL Tech Stories

SPARK PLUG HEAT RANGE TEST-JUNKYARD LS. HOT PLUG v COLD PLUG-DOES IT MATTER? TAPERED VS GASKET PLUGS

We recently shared a video from Richard Holdener where he tested spark plug gaps to see if a tight gap vs a normal gap vs a super wide gap made any difference in horsepower in an LS engine. The...

SHOULD YOU RUN YOUR JUNKYARD 5.3L LS HOTTER OR COLDER FOR MAXIMUM POWER? 116 DEGREES VS 180 DEGREES!

Over the past 50 years, automobile manufacturers have made a lot of changes to engines in order to make more power, more efficiently, and with fewer exhaust emissions. There are a lot of physical...

LOW-BUCK, AUTO PART STORE OIL VS VS HIGH $ SYNTHETIC! 0W-10 VS 20W-50. CAN YOU GET POWER FROM AN OIL CHANGE?

Does high-dollar oil make more power? We’re talking power, not longevity, as I am a believer that in certain applications there is an advantage to buying good oil. But I also know that most...

FAST LSXR INTAKE TEST-IS IT WORTH $1000? HOW MUCH HP DOES IT ADD? LSXR VS CHEAP, JUNKYARD TRUCK INTAKE

One thing that sucks about modern EFI engines like the LS, LT, Mod Motors, And HEMIs is that aftermarket intake manifolds for them tend to be really expensive. It’s understandable as there is a...

DO EXPENSIVE SPARK PLUGS REALLY ADD POWER? E3 VS LASER PLATINUM VS CHEAP COPPER

When it comes to spark plugs, there are all kinds of claims as to which ones make more power, get better mileage, and make your engine run cleaner. And while Richard can’t test if they make a...

Polishing Turds: Part 13, Finally Dyno Testing The Polishing Turds Traditional Small Block Build!

In this new episode of the Polishing Turds series from HED you are going to see the assembled engine getting tested! Can you guess how much power it is going to make on the dyno? Pete covered...

JUNKYARD LS MOTOR MYTHS! DOES INDEXING SPARK PLUGS REALLY ADD HORSEPOWER? LOW $ MODS-DOES IT WORK?

Back in the day there was a lot of talk about indexing spark plugs for maximum power, and this came from the fact that cylinder heads weren’t the epic flowing monsters that cylinder heads have...

WILL THE 711CI TWIN-TURBO HEMI FIT INTO FINNEGAN’S 1961 CADILLAC COUPE DEVILLE?

I met up with Mike yesterday at the PRI Show and he was smiling from ear to ear. It’s good to be Finnegan, and it was great getting to catch up to him even if it was just for a few minutes. I...

TOP 5 JUNKYARD TURBO LS QUESTIONS FOR BEGINNERS! BUILDING A TURBO LS? WHAT ARE THE BEST QUESTIONS?

LS Turbo Combos baby! They are awesome, and fun, but man do people have a lot of questions about them. Some are totally good, others not important, but I’ve head a jillion of them. So has...

DO YOU NEED A NITROUS CAM? WILL I MAKE MORE POWER RUNNING NITROUS WITH A DEDICATED NITROUS CAM?

Do you need a nitrous cam? Does it matter how much nitrous you are going to use? Will 100 shot of nitrous work regardless of camshaft? Richard Holdener is going to show you why they do or do not...

Wanna See A New ZZ632 Cranked Up On The Engine Dyno? Watch This!

If you’ve never been to a dyno shop to see an engine being tuned and tested on an engine dyno, you are missing out and should schedule a time to test your next engine build. I love being on the...

Rebeldryver’s Ford 428 FE Project Part 2: Let The Bottom End Assembly Begin!

It’s back for Part 2, where the 428 FE is going to get ready for its crankshaft, but first, some measuring has to happen. No matter how good the machine shop is, it is always a good idea to do...

How Much Does Heat Change Clearances In An Engine? The Answer Is, More Than You Might Think.

In several forms of racing, they preheat the engine oil and coolant so as to preheat the engine and it’s components as well. For many of these applications it is said to be critical to go...

More Chains Than Brains: Pushing A Mod Motor To The Limits. What Goes Into Mark Rogers’ Radial Car.

I first met Mark Rogers at Mooresville Dragway one night when I was in town and came to hang out with Eric Yost (Bigun). Bigun introduced Mark to me and told me how bad ass his Mustang was and that...