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Back in 1985>'87 with my stock '71 340 + .590 sft cam, 850DP, H/Strip dominator int. 727/4200 stall, race hdrs I ran the Cheater N20 kit These...
720ftlbs@4400, 4200stall 10" slicks@16psi, 3800lbs...no probs>:thumbsup:[ATTACH]
Well according to my calcs the same as my 340 made at 3550lbs> 367fwhp@3000lbs 60 Foot E.T. : 1.63 1/8 Mile E.T. : 7.40 1/8 Mile Trap Speed :...
ok so you take a TF240 head that flows 326int@600 and 253ex which is 77% of actual flow and use his maths... 326x.26=84.76x8=678.08hpx77% max...
It wouldn't surprise me if wallace was out more, as I understood it the software was designed/based a long time ago on low 12 sec pontiacs etc.,...
well there's gotta be more than 10hp difference for 4mph faster at that level I would've thought...perhaps the rule has its moments as well and...
Well I'll bite as the TV is crap and this is better> on 165mph=1007hp on ET which would normally be 161mph=940hp around 490cfm and I bet I'm miles...
my approx 10:1 446ci, 324/290@.050 cam, 906's@265cfm = 524fwhp weight/mph =1.96 hp/cfm. I agree calcs are just a tool but Wallace seems to have...
:(
I always thought this was reasonableHP = 0.25714 × CFM × No. of CylindersThis indicates that on a V8, the airflow/power-correlation would be:...
400hp street 318?......really well here's some real world not dyno hp no's>no's match '71 340 Cuda 727, good running motor. stock CR prob 10:1...
My old '71 340 cuda from back in the day with the stock 2.02 iron heads, holley strip Dom intake, 850DP, MP .590 sft cam, 1.3/4" race hdrs,...
If the X heads were stock they prob flowed 225cfm max@.500" being generous..so with your XE268 (COMP Cams Xtreme Energy Camshafts 20-223-3) you'd...
Using Wallace and a .039 gasket and a 4.040 bore?=9.53:1 and 9.79 if you use a .028 steel gskt....4.070=9.66 w/.039, ....9.92:1 w/.028...
A guy over on Moparts posted his build in oz land with them> they were the wolf 220heads 360 +.040 Bloomer 4.25 crank with 11.7 comp 98 Octane...
Eddy sbm head is nowhere near in flow/performance to the TF's, they are only a bit better than a stock iron head.....most think they can bolt a TF...
I managed to get a pair of T/A heads back in my day for the 340, thought they were better, spent a lot of time trying to get W2 rockers to work...
As lead69 said, no need to open up ring gaps for 100>150 shot, I ran stock gaps on up to a 175 big shot on my junk. Most important is a good...
[IMG]I upgraded to the .590 cam with a S/Dom intake, 850DP in my stock CR 1971 340 Cuda with stock 2.02 heads, I used a 2 deg advanced crank key...
I ran the MP .590 solid in my stock 340 with 10.5:1 TRW replacement pistons, no problems with VTP, .039 fel-pro's...from memory only as a long...
119mph/3000 = 415fwhp - 15% drivetrain = 352rwhp..
Nope, think he's done well for what he has...compared to my junk which perhaps should've gone in the high 12's with that set up, It did go 12.4's...
I'm sure driving ability/tuning has a lot to do with those times, to put it in perspective, my street '71 340 Cuda, full interior etc., which...
My stock '71 340 made 375 on track fwhp with .039" gskts so prob only 9.8:1?, stock 2.02 heads, 850DP, HSD intake and the .590 purple solid, so I...
I ran a stock block/headed 340 for 3yrs with a .590" SFT cam which is 270@.050 I believe with no modifications to anything, HV oil pump, no...
At 3200 race weight and 504hp on open hdrs, 3.55's/27" tall tyres? it should go> 60 Foot E.T. : 1.50 1/8 Mile E.T. : 6.81 1/8 Mile Trap Speed :...
Would be helpful if we knew the weight@the line, then we could be more accurate.
Purely out of interest......what was the full spec, cam/heads/carb etc.
What do yours flow now?...wait for the TF190's to be released if you can, 293@.600 I think. Eddy heads are around 255 at best ootb.
I looked at those videos of Tony's before and thought they were high but without knowing exactly whats inside those motors? Anyhow dyno no's are...
