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Search found 619 matches

by steve316
Tue Jan 26, 2021 12:48 pm
Forum: Engine Tech
Topic: 383 Build input request (E85)
Replies: 39
Views: 1389

Re: 383 Build input request (E85)

CompStar 2.00 rods(csa6000cs2a2ah) have the bolts moved toward the center line, so the bolts clear every where better. Most of your rod manufactures
use 2.1 blanks( 350 journals) so your clearance is no better. I would check bolts center line, before you buy. Speedway has CompStars for $633.
by steve316
Wed Jan 13, 2021 10:22 am
Forum: Engine Tech
Topic: 427 Build And Drag Test
Replies: 33
Views: 2013

Re: 427 Build And Drag Test

very good post; two thumbs-up
by steve316
Mon Jan 04, 2021 9:34 am
Forum: Engine Tech
Topic: Most Power from Stock 400-509 casting?
Replies: 21
Views: 1189

Re: Most Power from Stock 400-509 casting?

Why tie up money in a block like a 509 casting; when you can buy a dart shp ( shp pro better yet) for a few dollars more. You don't have the clearance problems, thin cylinder walls or the mains wanting to walk. Also the wore out lifter bores, sell your block to someone who want a low hp street engin...
by steve316
Fri Jan 01, 2021 9:22 am
Forum: Engine Tech
Topic: Did I chose the wrong heads?
Replies: 34
Views: 2171

Re: Did I chose the wrong heads?

With your heads & compression your combination want to be shifted between 7000 to 7400. I am saying this because peak HP will be above 6600. Run a cam with 268 to 272 intake; with 12 degree more exhaust on 110 lsa. Your heads and compression is what's moving your shift rpm up; the cam you have would...
by steve316
Thu Dec 31, 2020 9:28 am
Forum: Engine Tech
Topic: 327 Build
Replies: 28
Views: 1099

Re: 327 Build

With .040 over bore on a 327 (4.040) a .035 to .040 compress gasket would work. A cam with 224 to 236 intake & run 6 to 8 degrees
spread on exhaust. Run 109 to 112 LSA ; 109 for a lope idle 112 for a smoother idle.
by steve316
Fri Dec 25, 2020 11:07 am
Forum: Engine Tech
Topic: 383 Build input request (E85)
Replies: 39
Views: 1389

Re: 383 Build input request (E85)

On your rotating ass. run small journal rod size ( 283 ) and comp star (csa6000cs2ah) they weigh 591g and clear a standard base circle cam.
I have ran those rods in 700hp engines with no problems. ohio crank are reasonably priced and give them your bob weight and they can balance
for you.
by steve316
Mon Aug 24, 2020 8:11 am
Forum: Engine Tech
Topic: 8 to 900 hp out of a 1st Gen. SBC Block.
Replies: 44
Views: 1903

Re: 8 to 900 hp out of a 1st Gen. SBC Block.

Dart block; shp pro or little M
by steve316
Thu Jul 02, 2020 3:38 pm
Forum: Engine Tech
Topic: Heads for 400 w/Mike Jones HR cam
Replies: 37
Views: 1904

Re: Heads for 400 w/Mike Jones HR cam

On budget valves there are a lot difference in quality between brands; best to find out what alloy they are made out of. Any one piece 21-4n set would stand up to a HR spring. With afr 210 you get good components, not sure what atk is using.
by steve316
Tue Jun 02, 2020 6:32 pm
Forum: Engine Tech
Topic: Expected et change worth the cost of new AFRs in rail
Replies: 22
Views: 1274

Re: Expected et change worth the cost of new AFRs in rail

From post before a .075 angle was going to keep compression the same. That would be part of cylinder head change; and would have very little loss in compression.
by steve316
Tue Jun 02, 2020 3:38 pm
Forum: Engine Tech
Topic: Expected et change worth the cost of new AFRs in rail
Replies: 22
Views: 1274

Re: Expected et change worth the cost of new AFRs in rail

The 40 lbs you lose by going with AFR will lower your et .08 to .1 sec. CamKing's cam spec is close to what I would go with. Also factor in hp gains from gains from cfm & cam you should run 5.0's maybe even better.
by steve316
Tue May 26, 2020 12:40 pm
Forum: Engine Tech
Topic: Plenum volume
Replies: 30
Views: 2254

Re: Plenum volume

smaller runners have less spread larger runners have more spread or carry peak hp to a higher rpm.
by steve316
Tue May 26, 2020 11:10 am
Forum: Engine Tech
Topic: MCSA for Pro Topline 220 cast Iron S C
Replies: 24
Views: 1395

Re: MCSA for Pro Topline 220 cast Iron S C

Smaller csa faster speeds; larger csa slower speeds.
by steve316
Tue May 26, 2020 11:06 am
Forum: Engine Tech
Topic: Plenum volume
Replies: 30
Views: 2254

Re: Plenum volume

Also your spread between peak tq & peak hp ; is a indication on runner taper & plenum volume size.
by steve316
Tue May 26, 2020 10:52 am
Forum: Engine Tech
Topic: MCSA for Pro Topline 220 cast Iron S C
Replies: 24
Views: 1395

Re: MCSA for Pro Topline 220 cast Iron S C

Forget about port volume; csa is what to concentrate on. A constant port velocity or as close to it is more important than the volume.
by steve316
Sat May 16, 2020 8:17 pm
Forum: Engine Tech
Topic: Low hanging fruit.
Replies: 16
Views: 1608

Re: Low hanging fruit.

x2 add 150 hp shot