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Re: Full boogie Indy-SR heads for street/strip... [Re: ZIPPY] #10512 05/01/04 09:51 PM 05/01/04 09:51 PM
Joined: Jan 2003 Posts: 10,022 MN J JERICOGTX I Live Here
JERICOGTX I Live Here J Joined: Jan 2003 Posts: 10,022 MN	Here is the flow numbers from my SR's. These numbers are from fast68 when he repaired them last year. lift--------in/ex .100--70.0/61.8 .200-144.6/107.7 .300-209.7/160.9 .400-254.7/196.4 .500-291.9/229.1 .550-309.9/240.4 .600-324.2/248.3 .650-326.0/254.7 .700-322.4/256.3 The heads have the STD 2.19 valves. I had Dwayne install Ferrea valves last time. The heads have just been opened up to maxWedge port size, and INDY's crappy bowl blend work. Nothing radical at all. With one of Scott Brown's solid lifter cams (.630I/.610E, 112LSA) my 499 made 732hp/635trq. 69 GTX 68 Road Runner

Re: Full boogie Indy-SR heads for street/strip... #10513 05/01/04 10:01 PM 05/01/04 10:01 PM
Joined: Jan 2003 Posts: 17,844 S.E. Michigan ZIPPY I Live Here
ZIPPY I Live Here Joined: Jan 2003 Posts: 17,844 S.E. Michigan	Guess I need a new comp calculator Rich H. Esse Quam Videri

Re: Full boogie Indy-SR heads for street/strip... [Re: JERICOGTX] #10514 05/01/04 10:02 PM 05/01/04 10:02 PM
A Anonymous OP Unregistered
Anonymous OP Unregistered A	Jeff, I have a few things figured out.. I want this to remain a street car so I want lots of power down low and maybe a hp peak about 6500-6700 with a max of 7000 in the traps. With my tires, gears and a converter at about 6% slippage, 7000 rpm's is 134 mph. For a 3625 lb car to go 134 mph I need 745 hp. With 11:1 I wont see that kind of number. A more realistic goal on pump gas would be about 675 hp which would be good for 130 mph on paper but then to hit it with 150-200 hp would be interesting. Lots of thinking, lots of planning at this point.

Re: Full boogie Indy-SR heads for street/strip... #10515 05/01/04 10:14 PM 05/01/04 10:14 PM
Joined: Jan 2003 Posts: 10,022 MN J JERICOGTX I Live Here
JERICOGTX I Live Here J Joined: Jan 2003 Posts: 10,022 MN	Gary, send me a PM with your address, and I'll mail off a copy of my dyno sheet. My 499 made a very flat torque curve, and made peak hp around 6500. I think with a roller cam, and fully ported SR's it will make the same HP on pump gas. 69 GTX 68 Road Runner

Re: Full boogie Indy-SR heads for street/strip... #10516 05/01/04 10:15 PM 05/01/04 10:15 PM
Joined: Jan 2003 Posts: 2,915 USA F FY1CUDA master
FY1CUDA master F Joined: Jan 2003 Posts: 2,915 USA	Juice....little juice does a man good! (or Women!) Lol!

Re: Full boogie Indy-SR heads for street/strip... #10517 05/01/04 11:31 PM 05/01/04 11:31 PM
Joined: Jan 2003 Posts: 16,925 NC 440Jim I Live Here
440Jim I Live Here Joined: Jan 2003 Posts: 16,925 NC	Quote: Deck Height 0.0 (inches) Compression Ratio: 11.449 : 1 Put the piston down 0.002" and run the CR. It will work with pump gas and the added CR will help everywhere in the power range. The worst case senario is that you have to tailor the ignition advance to come in around 3000-3500 instead of the typically desired 2000-2500. 1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1

Re: Full boogie Indy-SR heads for street/strip... [Re: 440Jim] #10518 05/01/04 11:47 PM 05/01/04 11:47 PM
Joined: Mar 2003 Posts: 6,334 Heaven EvilB1Dart master
EvilB1Dart master Joined: Mar 2003 Posts: 6,334 Heaven	Either way its going to flyyyyyyyyy. When you get ready for the JUICE just holler and we'll get you taken care of..........I have the perfect kit in mind for you on the level of spray you are looking to squeeze. Wes "Any fool can know. The point is to understand" - A. Einstein

Re: Full boogie Indy-SR heads for street/strip... [Re: Dabee] #10519 05/02/04 01:06 AM 05/02/04 01:06 AM
Joined: Jan 2003 Posts: 75,008 U.S.S.A. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 75,008 U.S.S.A.	Quote: The biggist difference between the SR and 440-1 head is the dog leg in the intake runner on the SR. The dog leg is elliminated on the 440-1 by using the off set rocker. Indy dosen't tell you this up front. How do I know this? A friend went with the SR heads last year and learned the hard way. He was a very unhappy camper. if you say the correct words and know the secert handshake you can get an SR from indy without the pushrod divot machined in the head , requires off set rockers . the SR is the same basic casting as the 440-1 . running up my post count some more .

Re: Full boogie Indy-SR heads for street/strip... [Re: JohnRR] #10520 05/02/04 08:37 AM 05/02/04 08:37 AM
Joined: Jan 2003 Posts: 6,142 Melbourne , Australia LA360 master
LA360 master Joined: Jan 2003 Posts: 6,142 Melbourne , Australia	Gary, I personally wouldn't be affraid to run about 12:1 atleast in this engine with the right camshaft, but if you want to be conservative, keeping it at around 11.5-12:1 should be a happy medium. I have seen flat tappet engines with close to 13:1 run quite well on pump gas without reducing the ignition timing by a dramatic amount. Another tip would be to have your ignition curve done by someone knowledgable with what you are trying to acheive. AL... Alan Jones

Re: Full boogie Indy-SR heads for street/strip... [Re: nhramark] #10521 05/02/04 09:39 AM 05/02/04 09:39 AM
Joined: Jan 2003 Posts: 7,906 Lower AZ AZ-Nick Here Since 1996!
AZ-Nick Here Since 1996! Joined: Jan 2003 Posts: 7,906 Lower AZ	Quote: Quote: Thanks.. I'll check my mag. Don. I guess Scottys CNC'd SR's have 84cc chambers. Trying to science it out for 11:1 with a .030 over 400 block. I'd like to see 350+ at about .650 or so with maybe 270 at the .400 number. here are the numbers straight out of Indy's catalog: .400 = 265 .600 = 337 .700 = 362 These numbers are for Indy's 'full porting and polish.' combustion chamber is 75cc, can be milled down to 62cc. I doubt you would want to mill them that far though, 65cc is a more realistic limit. My car ran deep into the 9's with ported SR's and roller 440. I sold them to Nick (65belved). He is putting them on a 511" for his car. He should have a real nice running piece soon. (Sorry Nick if I gave away any secrets) That would be me, mine is a 705 roller with 13.75cr. 71 GTX 4sp Dana GY9 HD Road King

Re: Full boogie Indy-SR heads for street/strip... #10522 05/02/04 10:06 AM 05/02/04 10:06 AM
Joined: Jan 2003 Posts: 12,120 City of Champions P Prostock I Live Here
Prostock I Live Here P Joined: Jan 2003 Posts: 12,120 City of Champions	Quote: Joe, the SR's chambers come out to 84cc AFTER the CNC work. 75 as delivered. Those Pump Gas drags are still darned impressive considering the cars have to drive 30 miles one way, race and return 30 miles on the supplied gas. You had to drive 34 miles to the track, that was it. They said there were about 4 red lights. It was more like 25 at least. There may be a similar head change for my motor this winter. We talked about it on the way back from Memphis. Anyone wanna trade a stratus for a set of heads???? LOL!

Post deleted by Defbob [Re: AZ-Nick] #10523 05/02/04 10:09 AM 05/02/04 10:09 AM
A Anonymous OP Unregistered
Anonymous OP Unregistered A

Re: Full boogie Indy-SR heads for street/strip... #10524 05/02/04 11:22 AM 05/02/04 11:22 AM
Joined: Jan 2003 Posts: 9,875 Weddington, N.C. Streetwize master
Streetwize master Joined: Jan 2003 Posts: 9,875 Weddington, N.C.	DD nailed it, Straightline Roller is IMO the only way to go! WIZE World's Quickest Diahatsu Rocky (??) 414" Stroker Small block Mopar Powered. 10.84 @ 123...and gettin' quicker! https://www.youtube.com/watch?v=-mWzLma3YGI In Car: https://www.youtube.com/watch?v=PjXcf95e6v0

Re: Full boogie Indy-SR heads for street/strip... [Re: Streetwize] #10525 05/02/04 01:35 PM 05/02/04 01:35 PM
Joined: Jan 2003 Posts: 9,999 Frostbitefalls MN (Rocky&Bullw... gregsdart master
gregsdart master Joined: Jan 2003 Posts: 9,999 Frostbitefalls MN (Rocky&Bullw...	Un, a move right to 440-1s will get you these flow numbers or better if you get the SR without the dogleg, or the 440-1s,either with a 2.25 intake. I have heard that the SRs may have a little more short side to work with, so they might even outdo the 440-1s if ordered without the pushrod problem. My 440-1s; int .100 74 - 76 ex 50 - 58 int .200 149 - 154 ex 104 - 117 int .300 210 - 223 ex 145 - 170 int .400 263 - 278 ex 180 - 209 int .500 301 - 328 ex 210 - 245 int .600 311 - 363 ex 237 - 270 int .700 313 - 368 ex 250 - 287 int .800 306 - 378 ex 257 - 301 First set of numbers is before with 2.19 intake, second after porting ,2.25 intake. The biggest shortblock you can build is the way to go, and in my estimation that is a set of wiseco 4.375 pistons with 1.300 compression hieght, with a 4.25 crank from ohio or eagle. 6.635 rods,all in a 400 block, and don't forget to figure in the 9cc for valve reliefs (yep, 9cc) for a big roller of up to 284@ .050 if you ever choose to go that big. This motor should be capable of running 10.00 to high 9s if you build it with a roller, even staying under 7000 rpm and having a somewhat streetable converter in it. The power i estimate is about 725 hp, probably at about 6600 to 6800 rpm. Last edited by gregsdart; 05/02/04 01:45 PM. 8..603 156 mph best, 2905 lbs 549, indy 572-13, alky

Re: Full boogie Indy-SR heads for street/strip... [Re: gregsdart] #10526 05/02/04 02:03 PM 05/02/04 02:03 PM
Joined: Jan 2003 Posts: 1,491 S.L . MI clutch pro stock
clutch pro stock Joined: Jan 2003 Posts: 1,491 S.L . MI	Unlawfl these are the flow #s from a set of Scotty's CNC'd 440-1 with the smaller port window program on them.See attachment 870460-SLP 440-1.jpg (462 downloads)

Re: Full boogie Indy-SR heads for street/strip... [Re: clutch] #10527 05/02/04 03:11 PM 05/02/04 03:11 PM
Joined: Jan 2003 Posts: 9,999 Frostbitefalls MN (Rocky&Bullw... gregsdart master
gregsdart master Joined: Jan 2003 Posts: 9,999 Frostbitefalls MN (Rocky&Bullw...	One other thing to consider is an oil pan improvement to handle the stroker. A lot of us running strokers have had oil issues with the rear main seal etc. and blowby, and i can't help but think it is related to severe windage problems in the block on long stroke motors. I have just ordered a 7 inch deep full to the pan rail sidebucket oil pan from RBRE, and am going to run a scraper as well to keep the oil in the pan. If what i suspect is right, my problems with too much oil in the blowby coming out of the vacuum pump will deminish, and my ET should show a very nice improvement. I will post results in about two to three weeks when all the parts are in place and i get a chance to test!! 8..603 156 mph best, 2905 lbs 549, indy 572-13, alky

Re: Full boogie Indy-SR heads for street/strip... [Re: gregsdart] #10528 05/02/04 05:47 PM 05/02/04 05:47 PM
A Anonymous OP Unregistered
Anonymous OP Unregistered A	Thanks for all the info. guys!! Wes, thanks for the encouraging words and yes, when its time for picking out the spray, I'll talk with you all about it. Very limited experience dabbling in the spray, but I'm looking forward to learning all about it. I want to do it right.. Timing retard, remote bottle activator, and dedicated fuel system. DusterDave, OFCOURSE its gonna have a Scotty Brown roller cam in it. As far as big compression goes, I just cant do it. If you guys knew how often I drive my car and the distances I go sometimes, its really out of the question. A good night out in my car is $25.. At $50 for the good stuff it would have me driving the car shorter distances or even less and I'm not willing to do that.

Re: Full boogie Indy-SR heads for street/strip... [Re: gregsdart] #10529 05/02/04 08:33 PM 05/02/04 08:33 PM
Joined: Jan 2003 Posts: 16,925 NC 440Jim I Live Here
440Jim I Live Here Joined: Jan 2003 Posts: 16,925 NC	Greg, I think you mean 6.535" rod: +9.980" Deck height before milling (400 block) -2.125" Stroke divided by 2 (4.25/2) -1.300" Wiseco piston compression height -6.535" ------- +0.020" in the hole before milling the deck My current motor happens to be milled to 9.960" deck height, so that would fit perfect if the pistons and rods were exactly spec. 1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1

Re: Full boogie Indy-SR heads for street/strip... #10530 05/02/04 09:11 PM 05/02/04 09:11 PM
Joined: Jan 2003 Posts: 14,498 So. Burlington, Vt. F fast68plymouth I Live Here
fast68plymouth I Live Here F Joined: Jan 2003 Posts: 14,498 So. Burlington, Vt.	i think Jeff D's dyno numbers and track performance prove that you dont need killer airflow numbers from the SR's on a 500" combo to make good power and run quick. 68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads

Re: Full boogie Indy-SR heads for street/strip... [Re: fast68plymouth] #10531 05/05/04 07:59 PM 05/05/04 07:59 PM
Joined: Jan 2003 Posts: 4,270 Morrow, OH markz528 master
markz528 master Joined: Jan 2003 Posts: 4,270 Morrow, OH	These are my SR's: Opening Intake Exhaust .200 158.7 120.1 .300 220.8 170.5 .400 271.3 203.2 .500 301.4 225.7 .600 326.0 247.6 .700 345.4 262.3 .800 354.9 269.0 First run spinning the tires and heading for the wall went 9.88 @ 136.54 mph in my 3525 Coronet. 12.5:1 compression with Comp Cams .650 lift flat tappet cam. 67 Coronet 500 9.610 @ 139.20 mph 67 Coronet 500 (street car) 14.82 @ 94 mph 69 GTX (clone) - build in progress......

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