TheSamba.com :: View topic

Tue May 15, 2012 10:28 pm

I finally took a short video of my turbo buggy doing a pretty firm launch and a run up through third gear.
It is running slightly lean around 4500 rpms in third so it sags a bit and loses some acceleration there.

This is a 1679 cc engine with stock crank, rods heads and upper valve train.
It has an Engle W-100 cam in it with 420 lift at the valves.
It's running crank fired ignition controlled by Megasquirt 1 Extra with Edis wasted spark.
I'm blowing through a stock Bocar 34pict-3 with the throttle shaft o-ringed and a stock fuel pump with boost reference hose to the bottom of the diaphragm and an o-ringed fuel pump shaft.

Homebuilt up-pipe from a sedan header and an IHI turbo putting out 10-11 lbs. boost with no intercooler.

Tue May 15, 2012 11:53 pm

That's quick!

Wed May 16, 2012 3:12 am

Very nice! It sounds great too! do you have an idea of 0-60? perhaps a power estimate?

Wed May 16, 2012 4:57 am

Very nice! It looks like it's pretty hard on gas though - Video shows you burning through 1/4 tank... ;-) j/k

Wed May 16, 2012 4:52 pm

Thanks for sharing for those that don't wander over to the other site. (Which I feel is a bit more technical in nature.)

I have read it through multiple times, and is a great journal to help understand the challenges of tuning a turbo...

but the best thing about it shows how simple a turbo system can really be. It takes a lot of the "black magic" mentality out of a simple turbo system.

Thu May 17, 2012 3:33 pm

Based on video, it looks like a 6.5 to 7 second 0-60 time?

bnc

Thu May 17, 2012 7:04 pm

didget69 wrote: Based on video, it looks like a 6.5 to 7 second 0-60 time?

bnc

Without a timer on it I would say it probably is 6.0-6.5 seconds.
It looks like my start was at the 2 second mark and it is passing through 60 mph at the 8 second mark.
I have no idea how that compares to any other car though.

Fri May 18, 2012 9:10 pm

clonebug wrote: didget69 wrote: Based on video, it looks like a 6.5 to 7 second 0-60 time?

bnc

Without a timer on it I would say it probably is 6.0-6.5 seconds.
It looks like my start was at the 2 second mark and it is passing through 60 mph at the 8 second mark.
I have no idea how that compares to any other car though.

I get to about 87 mph in 6.4 seconds,, Mr. clonebug. :wink:

nice set-up.

Sat May 19, 2012 4:11 pm

Jes67 wrote: clonebug wrote: didget69 wrote: Based on video, it looks like a 6.5 to 7 second 0-60 time?

bnc

Without a timer on it I would say it probably is 6.0-6.5 seconds.
It looks like my start was at the 2 second mark and it is passing through 60 mph at the 8 second mark.
I have no idea how that compares to any other car though.

I get to about 87 mph in 6.4 seconds,, Mr. clonebug. :wink:

nice set-up.

Thanks Jes,

I happened to get a chance to view your Skyway Flyer today.... :wink:

It seems to be in a few pieces......

Going partly to the dark side I see....but you need to add a little boost to the Modification.

You will then be able to SPANK Mario for a while..... :lol: :lol: 8) :wink:

Sat May 19, 2012 8:07 pm

clonebug wrote: Jes67 wrote: clonebug wrote: didget69 wrote: Based on video, it looks like a 6.5 to 7 second 0-60 time?

bnc

Without a timer on it I would say it probably is 6.0-6.5 seconds.
It looks like my start was at the 2 second mark and it is passing through 60 mph at the 8 second mark.
I have no idea how that compares to any other car though.

I get to about 87 mph in 6.4 seconds,, Mr. clonebug. :wink:

nice set-up.

Thanks Jes,

I happened to get a chance to view your Skyway Flyer today.... :wink:

It seems to be in a few pieces......

Going partly to the dark side I see....but you need to add a little boost to the Modification.

You will then be able to SPANK Mario for a while..... :lol: :lol: 8) :wink:

no mario spank I for see,, but as $$$ allows I WILL up grade,, to simply stay ahead of the V8's,,, seems turbo and EFI are on the/my horizon. :wink: