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You know what’s really odd is the fact that it knocked the ring lands off 7 of the 8 pistons in the exact same place on the pistons, but the top ring gaps where in various positions and not where the chunks broke out. I think the #6 was the only one that didn’t. But all the others in the exact...

Yes, as a matter of fact the pistons knocked all the ring lands off due to too tight of clearance on the factory ring gaps. That was a junk motor with 200k miles I used to experiment with and learned a lot from it. Now running .040” on top, .035” on 2nd ring on a rebuilt 5.3 with new factory...

I was originally building it for the salt flats when the SCTA informed me there is no “Trike” class and that any “motorcycle” class engine had to be built using 90% motorcycle parts. The Arizona Timing Association does have a run what you bring class with a $5000 prize for fastest time and $5000...

This is a result of 24 psi and the wrong timing.

Inside the plenum. I added a “priority valve” by using some carbon fiber reed valves. This is so it does not bog down when you floor it. This was done by the factory many years later as the technology progressed in n the early 70’s.

Thanks, that’s 5 years of not wasting time in front of the TV. All built in the garage.

Boost is controlled by the A/R ratio of the turbine housing size and it has a small bypass hole the housing that can be adjusted. Also ignition timing has a part of it. Correct A/R housing (mine are 1.0), hole is plugged, timing under boost is 21 degrees. Starts making 5 psi boost at 3000 rpm...

Update from 2013. Got the trike up and finished, tagged and legal. For all the nay sayers, 5.3 chevy with twin Gale Banks draw through turbos through a 650 Holley 4150. I’ve made upwards of 24 psi a few times at the cost of engines ($250 junkyard motors) experimenting to get it right. Running...

Trike is still a work in progress. Hope to fire it up in the next month.

If you're burning Pistons with a 1050 carb, your intake or turbo to intake piping was bad and caused centrifugal force to sling out the fuel before it made it to the cylinder. That's all explained in the 1971 book as to the do's and do not's of the intake system from the pressure side of the...

Rolls Royce Merlin Supercharger and carb from late 1940's 9" inducer, vain plate is upside down to show vains, 50 psi on a 1700 cid engine turning 3000 rpm at the engine and 3500 horsepower.

This is the main book you'll want to get and is a must have for an old school draw thru turbo set up. 1971 edition wrote by Huge MacInnes. That guy was the MASTER turbo guy of his day, and in fact turbos today are using HIS designs. Rajay turbos are almost indestructible and that's why the FAA...

Thanks, I had a 1974 Charger with a perfect body I was going to put the 440 in but sold it as I didn't have time for it. Was debating on putting it in the Challenger or my Miata. The Miata would be an awesome street car tubbed and a 440 coming thru the hood. Believe it or not, the Miata frame...

So I guess to you, building a 40 year old car with 10 day old parts is better than actually trying to build a 40 year old car with 40 year old hot rod parts. hhmmm. Where is the challenge in that. Finding a 40 year old draw thur turbo set up and making it work correctly seems more of a hot rod...

A draw thru turbo NEEDS the dog leg to break up the swirl produced by the turbo and induces turbulence to keep the fuel in suspension, if it did not have the 90 degree bend, it would sling the fuel out of the air and onto the walls in the intake tract and then lean destruct by melting the...

On the bay now for $14, don't see the other one from 74

Find the Huge MacInnes books from H.P. Books from the 70's on ebay. READ THEM as to the intake designs needed and why. You can fry an engine if the intake is not done correctly on a draw thru set up. You will know more about turbos than most people that have been using them for 20 years. Those...

Hello guys, joined you here to get some information. I don't have an A body, but I do have a 2011 Challenger and a 07 Charger. OH and a 440 and 727 sitting in the barn.

I chose to do this due to the simplicity of the system. Yea todays tech is great but a simple twin turbo draw thru set up is just as good as todays new tech. IN FACT most of the "new tech" is based off of 1950's and 60's performance that was too expensive back then to mass produce. Fat shaft...