It’s a pretty simple cam swap. If it looks bad on the dyno we can change the cam again.
That’s why we test.
70 dart 470 ci drag car build.
- Thread starter MOPARMAGA
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It’s a pretty simple cam swap. If it looks bad on the dyno we can change the cam again.
That’s why we test.
PRH
Well-Known Member
I look at it as a learning experience………and I’m looking forward to the results.
Especially since I don’t have to do any of the work.
Especially since I don’t have to do any of the work.
lol that’s funny. But true.
That’s why I’m watching the results of Eric Winegartners cam testing.
I have no money or effort in it but I’m interested in the results.
And of course you gave the “wine and cheese” types who think if the testing isn’t done to F1 standards he’s just pissing into the fan.
I’m thankful those types do more typing than testing.
I do agree with you 100%
Even though the engine is done I do like testing and don't like the "what if" feelings that keep me up at night, if you know what I mean.
ValiantS
Well-Known Member
That's specifically what I was speaking to when I said something to the effect 'nothing is perfect' ...you will never, in my experience, not wonder 'what if' The time, testing facility and materials needed are not free. That said if you just want to regardless and it helps YOU in some way then by all means ...do it! I haven't look close enough to gage what I'd speculate the change will do. But while you're on dyno I would highly recommend moving the cam around, assuming you have adequate p2v.
Yes, we will be starting advanced 4° and see where it is. Definitely will be checking p/v clearance as it could have nearly 20 more degrees of duration , possibly 283 @ .050. but we need to measure it first.
The sft I have in now is 264-268 and .660-.674 lift. Also running 240 trickflows.
It's peak torque is around 4900 and peak power is around 5800.
The goal is to raise my peak torque to around 5500 and hopefully not lose much on the way up.
If it sucks, I'll put my Hughes cam back in and start getting solid roller parts ASAP
I have not posted anything because I haven't done anything lol.
I finally got all the parts to install a solid roller cam I bought used a few years ago from a fellow fabo member. Cam is 272-284 @.050 110 lsa & .704 lift.
I pulled my tunnel ram and heads.
I don't plan on doing any further porting at the moment, except to get rid of the CNC step over and burr finish the intake ports, check the valve job and install the new springs, locators and retainers. I might change to a 50° seat too.
I'll pull the short block apart also and clean it up and put it back together.
There's a stupid little oil leak I need to fix that is caused by a large washer under the fitting raised by a rib on my milodon pan.
Also, here's some pictures of why you should fog the engine before storage, because I forgot.
I finally got all the parts to install a solid roller cam I bought used a few years ago from a fellow fabo member. Cam is 272-284 @.050 110 lsa & .704 lift.
I pulled my tunnel ram and heads.
I don't plan on doing any further porting at the moment, except to get rid of the CNC step over and burr finish the intake ports, check the valve job and install the new springs, locators and retainers. I might change to a 50° seat too.
I'll pull the short block apart also and clean it up and put it back together.
There's a stupid little oil leak I need to fix that is caused by a large washer under the fitting raised by a rib on my milodon pan.
Also, here's some pictures of why you should fog the engine before storage, because I forgot.
I also wanted to thank @rslscobra for hooking me up with a converter, I'm very sure will do well behind my 470. The converter was in Fred , formally owned by @-Boosted-
Fabo is full of very good quality people.
Fabo is full of very good quality people.
Peaks were 685 HP @5800 & tq 670 at 4900 .
Id like to raise my peak torque into the 54-5500 range and maybe eek out another 20 HP.
dusterbing the peace
FABO pyrite member
I'll keep my fingers crossed that you hit 717 so you can say you've got Housecat power!!!
That's what I need another cat lol
TT5.9mag
Two atmospheres are better than one
It’s going back on the pump after the cam swap right?
Yes, definitely.
mopowers
Well-Known Member
What was the previous cam?
264-268 .660-.674 lift solid flat tappet
mopowers
Well-Known Member
What are you doing with that cam? Those are about the specs I plan on using for my 470/512 (haven't decided yet).
I think I have it sold. I still have a 260-264 for sale though. I'll let you know.
mopowers
Well-Known Member
Thank you!
I did a little work on my heads.
Touched up my intake seats, trying a little steeper 35° top cut on my exhaust seats
Paper rolled the shrouding away from the intake valves and burr finished the exhaust ports, I just knocked the CNC step over off.
I'm waiting on some intake gaskets to port my heads to, I'm going up and out just a bit.
New port size will be 2.62ish by 1.380.
Also going to get some splash zone and make a little more room to further port my intake.
hopefully when they're finished I can take them and get them on the flow bench and see if I make good heads or **** heads.
Touched up my intake seats, trying a little steeper 35° top cut on my exhaust seats
Paper rolled the shrouding away from the intake valves and burr finished the exhaust ports, I just knocked the CNC step over off.
I'm waiting on some intake gaskets to port my heads to, I'm going up and out just a bit.
New port size will be 2.62ish by 1.380.
Also going to get some splash zone and make a little more room to further port my intake.
TT5.9mag
Two atmospheres are better than one
That’s always been my worry and why I don’t port. I’m definitely in the “make **** heads” category. I’ll leave that to the professionals.
Yeah, I've learned just enough to get me in trouble over the last few years. I'm a rookie that's a fact but in my eyes the only way to really learn is to give it a shot.
TT5.9mag
Two atmospheres are better than one
I agree. I’m just not willing to ruin anything nice. I learned so much about fluid dynamics working on the bottom of my boat and it opened my mind to how much I don’t understand about how fluid (air is considered a fluid) moves.
I have a simple theory with this set of heads since the started out good. Measure them, keep the shape & enlarge that shape where necessary.
I'm not going bigger on valve size, however I'm tempted to use a 2.250 intake (cost says nope)
So I won't be doing much in the bowl area except sanding out the CNC and adding burr finish boundary layer.
I think about that fluid dynamics stuff myself, I used to a lot since a river almost killed me and the ocean did the same.
1 thing I know for certain...gender is not fluid lol
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