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Search found 737 matches

by tenxal
Wed Oct 28, 2020 10:16 am
Forum: Engine Tech
Topic: Stock Eliminator secrets?
Replies: 231
Views: 13839

Re: Stock Eliminator secrets?

4-2-1 stepped headers are the way to go on your setup? Would that apply to a lot of other combos as well? I couldn't say if all combinations would benefit....there's a lot of grey area, there. Due to the engineering, the Elston's opened the door to gains beyond simply bolting a good header on. In o...
by tenxal
Tue Oct 27, 2020 11:11 am
Forum: Engine Tech
Topic: Stock Eliminator secrets?
Replies: 231
Views: 13839

Re: Stock Eliminator secrets?

E.T. is wherever you can find it. And it's not always under the hood. Even with a well worked out chassis, it can be beneficial to go back and revisit some things after you've made gains in other areas. Mid season this year, I went back and worked on this end. Found a little.... https://i.imgur.com/...
by tenxal
Sat Oct 24, 2020 1:09 pm
Forum: Engine Tech
Topic: Stock Eliminator secrets?
Replies: 231
Views: 13839

Re: Stock Eliminator secrets?

...what BBC Blocks are Legal for Stocker Classes like A/SA ?? I have a Chevy OEM 4-bolt main 396/375HP bare block STD bore .... need to get rid of a bunch of stuff in my Shop. Also , we use to hold the NHRA A/SA record many years ago ( 1969 Camaro ) The Dart blocks are the most commonly used after ...
by tenxal
Sat Oct 24, 2020 11:00 am
Forum: Engine Tech
Topic: Stock Eliminator secrets?
Replies: 231
Views: 13839

Re: Stock Eliminator secrets?

When we order pistons for the back-cut 5/64" rings, we specify the groove depth. When using the spacer/ring combo, Total Seal advises that they furnish the dimensions to the piston mfg. for the correct fit. We've seen several cases of bad dynamic ring seal caused by poor fitting spacers/rings in sta...
by tenxal
Fri Oct 23, 2020 4:43 pm
Forum: Engine Tech
Topic: Stock Eliminator secrets?
Replies: 231
Views: 13839

Re: Stock Eliminator secrets?

Really that makes the performance from your 275/327 even more impressive ! Cam must be a very special piece , is it a f/t or roller ? Thanks In Stock, you must run the same style lifter as was O.E. in the engine...no roller lifters if originally a flat tappet. The 327-275's were hydraulic flat tapp...
by tenxal
Fri Oct 23, 2020 7:16 am
Forum: Engine Tech
Topic: Stock Eliminator secrets?
Replies: 231
Views: 13839

Re: Stock Eliminator secrets?

canuc wrote: Thu Oct 22, 2020 11:26 pmI'm I right to guess that stock E can run header crankcase vacs, what about a pump ? Pretty cool to see what performance can be achieved with constant development and I'm sure lots of patience testing.
Per NHRA rules, no header evac. systems or vacuum pump allowed in Stock.
by tenxal
Wed Oct 21, 2020 1:40 pm
Forum: Engine Tech
Topic: Stock Eliminator secrets?
Replies: 231
Views: 13839

Re: Stock Eliminator secrets?

Thanks, I thought you guys would be geared to turn higher than 7400 sounds like more anyway. Each engine has it's limiting factor and on mine, it's the intake manifold. While the cam profiles and spring pressures are certainly capable of more rpm, there's no upside to running it past where the limi...
by tenxal
Wed Oct 21, 2020 1:21 pm
Forum: Engine Tech
Topic: Stock Eliminator secrets?
Replies: 231
Views: 13839

Re: Stock Eliminator secrets?

Tenxal....couple of questions.... 1 - why the plastic spacer under the cap screw/bolts in the water pump/front cover photograph a page or two back? 2 - What's the trick to getting a rotating assembly/short block to spin at 8lbs? 1- The plastic spacers are a Steeley-Eyed-Stocker-Secret. :wink: The c...
by tenxal
Tue Oct 20, 2020 8:00 am
Forum: Engine Tech
Topic: Too late for a half fill?
Replies: 13
Views: 800

Re: Too late for a half fill?

Why not take it back to the machine shop? :?:

They can do the fill with an appropriate product and make the cylinders round again, if need be.
by tenxal
Mon Oct 19, 2020 5:18 pm
Forum: Engine Tech
Topic: Stock Eliminator secrets?
Replies: 231
Views: 13839

Re: Stock Eliminator secrets?

smeg wrote: Fri Oct 16, 2020 7:06 pmThis is a really good thread, keep it going please. How hard are you guys turning these things at the stripe?
My 327-275 (.390/.410 camshaft) will be about 7,400 at the finish line in decent air.
by tenxal
Wed Oct 14, 2020 6:16 pm
Forum: Engine Tech
Topic: Stock Eliminator secrets?
Replies: 231
Views: 13839

Re: Stock Eliminator secrets?

WOW close to 15000.00 in headers... Now that's some creative ciphering..... :roll: ....that is more than I have spent on my whole car and it runs over a second under the index and that’s with a standard set of 2 inch hooker headers with a merge collector.WOW ain’t that something. Looking forward to...
by tenxal
Wed Oct 14, 2020 8:01 am
Forum: Engine Tech
Topic: Stock Eliminator secrets?
Replies: 231
Views: 13839

Re: Stock Eliminator secrets?

As far as the short block, what is a good inch pound number for a stock eliminator engine. Care to comment on the piston and ring package. Thanks for your professional input and practical experience to this thread. With the NHRA mandated stock ring groove widths (5/64, 5/64", 3/16" in my case), bre...
by tenxal
Fri Oct 09, 2020 3:59 pm
Forum: Vintage/Classic/Historical Engine Tech
Topic: Hydraulic roller cam equivalent to Crane hyd FT 274H06
Replies: 11
Views: 415

Re: Hydraulic roller cam equivalent to Crane hyd FT 274H06

.....does anyone have any thoughts on what the old Crane hyd FT 274H06(or Elgin 1785) 218’/218’ @ .050”, .450”/.450”, tight 106’ LSA cam would be EQUIVALENT to when changing over to a hydraulic roller cam & valvetrain INSTEAD of a hyd flat tappet? What's your reasoning for moving to a roller profile?
by tenxal
Fri Oct 09, 2020 3:47 pm
Forum: Engine Tech
Topic: Stock Eliminator secrets?
Replies: 231
Views: 13839

Re: Stock Eliminator secrets?

Possibly related to Stock and Super Stock engines, the LS engines have a trick for increasing the preload on the lifters with longer pushrods. It supposedly makes the lifter act like a short travel lifter, increasing stiffness of the valvetrain and making slightly more power. Is this a trick that c...