I'd set it at 6500-6800 or so, it should pull way past 5500 if everything is build right.

 

I agree. With RPM heads, cam and intake it will like way more than 5500rpm. With a complete arftermarket rotating assembly you've got no worries. 6500rpm easy.

 

Yeah, I'd say set it at 6500. Set the rev limiter where it will be a safety net, not something you're going to bump into every time you're about ready to shift. That bottom end should be good for 6500 no prob.

 

That rpm cam should sign off before your spinning high enough to damage that rotating assembly.

 

Many thanks, that's great. Ill go for that then.

Pic of finished motor attached.

Cheers

 

Great looking MOTOR...!!!


Maybe that is a fancy kind of distrubutor I have not seen before, but I have never seen plug wires that are all in a row like the way your plugs are wired.....

Did you do that just for the sake of the photo...?

 

The Dyno will let you know. Where ever you hp and/pr torque drops off go 500 rpm above that. Cause if you are peaking at 5200 or so, you have no business at 6200. (just using these numbers for an example)

 

^^^ What he said, 500 rpm above peak power.

 

Is it just me or is the firing order having 8 6 5 and 7 in that order on the cap kind of odd...?

Maybe it's just a mockup fot the picture...

Chrysler 3.0 V6 has a firing order on the cap of 1 2 3 4 5 6, so I suppose anything is cool...

 

your on to something FE, Something doesn't look right.....

 

I'd go 1000rpm above peak power... or at least where the power starts to fall off quite a bit. My 289 makes peak power at about 6200rpm, but drops less than 10hp at 7000rpm. If I shift at 7000, I pretty much have constant power to the wheels before and after the shift. If I shifted at 6700, I'd be down on power for the first couple hundred RPM in the next gear.

 

Something else you may have to consider is the accuracy of the setting on the rev limiter...at least I did.

I bought a pertronix rev limiter (can't remember the name of it right now). I want it to kick in around 6800 or so. I had to set it at 7300. Setting it to 6800 caused the limiter to kick in at something like 6300 or 6400. I even checked my tach with another one...they were within 100 or so of each other.

Yes...I have the limiter set to 6...I mean 8 cylinders.

My peak power is in the 6400 - 6500 range so I could probably set the limiter to 7000+ if I dare, but according to a simulation I ran with EA Pro, my intake valve will begin to float at about 7200. I figure 6800 is high enough.

 

Thanks for the comments guys, Ive certainly got what I needed and that was a safe figure. Ill see how it pans out on the dyno I just wanted to make sure I wouldnt kill it 1st run out!

this motors for a Cobra rep so I think Ill probably scare myself before I hit max bhp on the road!

The eagle eyed amongst you are correct, when I first wired up the plug leads I followed the wrong picture in Tom Monroes book, this is for one of those electronic distributors, Now Ive wired them up with right firing order it dont look so pretty! Luckily I only had to move four leads.

 

I love your pulley setup..Is it a march system?

 

Hi Frdnut,

Yes its a March bracket and pulley set with additional waterpump nose cover and alternator fan. The bracket is 30025, pulley set 1675, nose cone 312 and fan 221. The march supplied hardware was a bit naff so I sourced my own locally and from the US as you cant buy long bolts in imperial sizes in the UK (well not in cap head anyway) So all in all it was a bit of a fiddle getting it to fit what with cutting the spacers down to suit the Flowkooler pump Ive fitted but Im happy with it.

Cheers

Andy

 

Eedel web page says you should get 367hp & 347 tq. According to their graff it should pull to 6500 to get the 367 and peak tq should be at 4500rpm.
Please post your results, Ive heard their numbers are hard to duplicate

 

Will do, Ive heard similar comments about Edel's claims. Will be interesting to see what I get.

Cheers