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Forum: Small Blocks
Yesterday, 04:19 PM
Replies: 7
Views: 270
Posted By cutlassefi

What rear gear is in it? Did you jet the carb...

What rear gear is in it? Did you jet the carb accordingly, they’re seldom correct right out of the box.
Forum: Small Blocks
June 15th, 2019, 04:36 AM
Replies: 51
Views: 3,511
Posted By cutlassefi

90% of the throttle bodies out there use a...

90% of the throttle bodies out there use a GM/Chrysler IAC. It’s a flat 4 pin style, available just about anywhere.
As far as the O2 goes, using just any brand leaves you open for discrepancy....
Forum: Big Blocks
June 14th, 2019, 01:14 PM
Replies: 20
Views: 772
Posted By cutlassefi

X2, 4.190 is very popular bore size, essentially...

X2, 4.190 is very popular bore size, essentially a .040 over 455 Pontiac.
Forum: Big Blocks
June 14th, 2019, 04:47 AM
Replies: 4
Views: 388
Posted By cutlassefi

X2. Check em before you go any further.

X2. Check em before you go any further.
Forum: Big Blocks
June 13th, 2019, 04:45 PM
Replies: 20
Views: 772
Posted By cutlassefi

My first guess would be piston slap, those aren’t...

My first guess would be piston slap, those aren’t the best ones out there by any stretch.
Second part would be the Comp cam. They can be noisy sometimes. Running a stock valvetrain with it doesn’t...
June 11th, 2019, 04:31 AM
Replies: 22
Views: 2,422
Posted By cutlassefi

Really?! He might be a good machinist but...

Really?! He might be a good machinist but otherwise he’s done nothing but bash me on here and ROP for no reason since day one. I’ve helped dozens and dozens of people on here and elsewhere for...
June 8th, 2019, 10:34 AM
Replies: 3
Views: 768
Posted By cutlassefi

4.00” billet stroker. I make mention of it on my...

4.00” billet stroker. I make mention of it on my website, newoldsperformance.com but most of the info on it is here on CO. I’ve done a few builds with them already, the last one made 528hp and over...
June 8th, 2019, 09:35 AM
Replies: 3
Views: 768
Posted By cutlassefi

The weight and strength of the rotating mass is...

The weight and strength of the rotating mass is your first priority. You can make mid-500s without a blower using one of my stroker Cranks, it’s not that hard to do. And I can tell you that Crank is...
June 7th, 2019, 11:40 AM
Replies: 22
Views: 2,422
Posted By cutlassefi

Why you continue to chastise me for what my...

Why you continue to chastise me for what my customers do or don't do is beyond me. You obviously have a problem.

"I would also add Bill's engines generally do not peak @ 5100-5300 RPM, driving the...
June 6th, 2019, 07:03 PM
Replies: 22
Views: 2,422
Posted By cutlassefi

You mean measuring piston to wall and bearing...

You mean measuring piston to wall and bearing clearances with a snap gauge and ruler isn’t the way it’s done?😳
And a borrowed dingleberry brush doesn’t give you the right wall finish? WOW. THANK YOU...
June 6th, 2019, 05:19 PM
Replies: 22
Views: 2,422
Posted By cutlassefi

Who’s asking who for what they’re doing? Kinda...

Who’s asking who for what they’re doing? Kinda says it all right there doesn’t it?
June 6th, 2019, 10:49 AM
Replies: 22
Views: 2,422
Posted By cutlassefi

If the machine work is suspect, you're likely to...

If the machine work is suspect, you're likely to have problems no mater what pieces you use.

Vortecpro - "Most engine builders use the newer ring technology along with other HP helping features....
June 3rd, 2019, 04:01 AM
Replies: 22
Views: 2,422
Posted By cutlassefi

I hear ya. But I can tell you that since I’ve...

I hear ya. But I can tell you that since I’ve changed to a similar piston ring pack in these last few builds, they’re all making more power, all else being equal.
Forum: Big Blocks
June 1st, 2019, 07:43 AM
Replies: 9
Views: 1,407
Posted By cutlassefi

A few other points; I’d rather have a smart...

A few other points;
I’d rather have a smart “Chevy” guy than a dumb “Olds” guy.
Let me explain. The guy I’ve been using for over ten years now was by no means an “Olds” guy prior to me going to...
May 31st, 2019, 02:41 PM
Replies: 22
Views: 2,422
Posted By cutlassefi

Ring Tech

Some good reading.
Add to that a stroke of much longer than 3.400 (i.e. Olds 400E or 425) and going from a 5/64 ring pack instead of a 1/16 and I think gains of 15hp or better are not out of the...
Forum: Small Blocks
May 31st, 2019, 05:24 AM
Replies: 203
Views: 8,434
Posted By cutlassefi

NGK XR5’s.

NGK XR5’s.
Forum: Big Blocks
May 29th, 2019, 01:43 PM
Replies: 7
Views: 1,570
Posted By cutlassefi

As mentioned you need to answer the questions at...

As mentioned you need to answer the questions at hand before you go any further imo.
Thanks.
Forum: Small Blocks
May 29th, 2019, 01:31 PM
Replies: 19
Views: 3,093
Posted By cutlassefi

Sorry but I have to disagree on some of this. ...

Sorry but I have to disagree on some of this.



Sorry to disagree but some of this is unfounded, plain and simple.
Forum: Big Blocks
May 27th, 2019, 10:38 PM
Replies: 77
Views: 4,583
Posted By cutlassefi

Shoot for 11.0:1 or so if you’re going EFI and...

Shoot for 11.0:1 or so if you’re going EFI and just do this once.
With a better EFI (Holley Terminator etc) it will enable you to pull timing as the baro and/or temps go up, giving you the best of...
Forum: Small Blocks
May 27th, 2019, 10:17 AM
Replies: 6
Views: 1,283
Posted By cutlassefi

Make sure it’s a ‘67 first. Then run the other...

Make sure it’s a ‘67 first. Then run the other way from from Mondello in Paso Robles.
I can get you anything you need to do the swap, happy to help.
Forum: Big Blocks
May 27th, 2019, 05:53 AM
Replies: 77
Views: 4,583
Posted By cutlassefi

Given the info presented I'll stay with my...

Given the info presented I'll stay with my original comp ratio calculation, 8.75:1.
That's your first problem by far, especially being at 10,000'.
Forum: Big Blocks
May 27th, 2019, 05:12 AM
Replies: 18
Views: 1,427
Posted By cutlassefi

They’re normally pretty cheap. I’d consider that...

They’re normally pretty cheap. I’d consider that first if time and money permit.
Forum: Small Blocks
May 26th, 2019, 12:32 PM
Replies: 19
Views: 3,093
Posted By cutlassefi

That’s why I pushed to get the Stroker crank done...

That’s why I pushed to get the Stroker crank done for the Small Block Olds.
Granted not everyone can afford them but after dumping a bunch of money into a small block like you did originally Edin,...
Forum: Big Blocks
May 26th, 2019, 05:16 AM
Replies: 77
Views: 4,583
Posted By cutlassefi

Ironically at 4000’ you could run those types of...

Ironically at 4000’ you could run those types of compression ratio numbers with little to no problems. We need better info in order to move forward.
Forum: Big Blocks
May 25th, 2019, 06:27 PM
Replies: 77
Views: 4,583
Posted By cutlassefi

Simple, just verify two things, the part number...

Simple, just verify two things, the part number of the piston used and whether or not the block was decked. I’ll take it from there.
Forum: Big Blocks
May 25th, 2019, 05:19 PM
Replies: 77
Views: 4,583
Posted By cutlassefi

Once you verify the piston and deck height then...

Once you verify the piston and deck height then we can see what the comp ratio really is.
Forum: Big Blocks
May 25th, 2019, 09:04 AM
Replies: 18
Views: 1,427
Posted By cutlassefi

Use an 850 Quick Fuel. With that I’d do...

Use an 850 Quick Fuel.
With that I’d do something in a 231/237 on a 112 unless you get a better converter. Then I’d do it on a 110.
The 3.73 gear is fine but I’m sure you won’t be spinning it up...
Forum: Big Blocks
May 25th, 2019, 06:01 AM
Replies: 18
Views: 1,427
Posted By cutlassefi

Compression, carb, converter?

Compression, carb, converter?
Forum: Big Blocks
May 25th, 2019, 05:53 AM
Replies: 77
Views: 4,583
Posted By cutlassefi

For all, IT HAS NOTHING TO DO WITH LINING UP THE...

For all, IT HAS NOTHING TO DO WITH LINING UP THE FREAKIN DOTS OK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Technically speaking, if a cam is installed straight up it was installed at the same intake...
Forum: Big Blocks
May 24th, 2019, 06:41 PM
Replies: 77
Views: 4,583
Posted By cutlassefi

For all, can someone, besides me, step up and...

For all, can someone, besides me, step up and explain what “straight up” really means?
Thanks.
Forum: Big Blocks
May 24th, 2019, 06:36 PM
Replies: 77
Views: 4,583
Posted By cutlassefi

Would all of you please quit calling “lining up...

Would all of you please quit calling “lining up the timing marks” “straight up”? Please!
Forum: Big Blocks
May 24th, 2019, 05:59 PM
Replies: 77
Views: 4,583
Posted By cutlassefi

Engine specific multiport EFI. Small block...

Engine specific multiport EFI. Small block Stroker cranks, more parts from Mahle Motorsports and others.
Forum: Big Blocks
May 24th, 2019, 05:13 PM
Replies: 77
Views: 4,583
Posted By cutlassefi

It’s in its infant stages, just haven’t had time...

It’s in its infant stages, just haven’t had time but it’s newoldsperformance.com

Thanks.
Mark
Forum: Big Blocks
May 24th, 2019, 04:30 PM
Replies: 77
Views: 4,583
Posted By cutlassefi

Happy to help any way I can. My reputation speaks...

Happy to help any way I can. My reputation speaks for itself. Overall you’ll get lots of good information here as well.
Forum: Big Blocks
May 24th, 2019, 02:28 PM
Replies: 77
Views: 4,583
Posted By cutlassefi

Unfortunately you’re just one of many. Can’t...

Unfortunately you’re just one of many. Can’t believe the guy is still in business.
Forum: Big Blocks
May 24th, 2019, 10:38 AM
Replies: 77
Views: 4,583
Posted By cutlassefi

You may be right on the cam, it could be a JM...

You may be right on the cam, it could be a JM 20-22. My bad.
But remember those hp ratings were done using waaay better fuel than what we have today.
And as far as a cam recommendation goes, I...
Forum: Big Blocks
May 24th, 2019, 06:19 AM
Replies: 77
Views: 4,583
Posted By cutlassefi

And don't assume they know how to figure comp...

And don't assume they know how to figure comp ratio without book specs, and those are normally wrong anyway. You'd be surprised how many shops don't have a clue.
Forum: Big Blocks
May 23rd, 2019, 06:15 PM
Replies: 77
Views: 4,583
Posted By cutlassefi

22cc pistons, most likely .030 in the hole, and...

22cc pistons, most likely .030 in the hole, and typical bb heads (80cc) gives you about 8.75:1, not 9.6. Who measured it?
Replace the Speed pros with the New Mahle pistons and ill bet you gain 30hp...
Forum: Big Blocks
May 23rd, 2019, 05:49 PM
Replies: 77
Views: 4,583
Posted By cutlassefi

Cam should be 224/[email protected] on a 112. I figure...

Cam should be 224/[email protected] on a 112. I figure your compression at less than 9.0:1. With that cam it’s no wonder it’s a pig.
That cam is slow and lazy, especially with the marginal compression. In a...
Forum: Big Blocks
May 23rd, 2019, 05:41 PM
Replies: 77
Views: 4,583
Posted By cutlassefi

I never knew a factory stock 425 to make 540lbft...

I never knew a factory stock 425 to make 540lbft of torque.
You’re giving up 20 with that carb, just sayin. Cam is antiquated too, That’s a 50 year old generic grind. Sorry.
What was the measured...
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