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Search: Posts Made By: Raylar
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Forum: General Q & A
02-02-2016, 01:37 AM
Replies: 268
Views: 75,518
Posted By Raylar

Yeah of course it'll work with our manifolds! ...

Yeah of course it'll work with our manifolds!

Cut the front 78mm snout off and bolt on a 102. We've done lots of 90 / 102 conversions with the Cool Gap. Heck, we even do it with the modified stock...
Forum: General Q & A
11-20-2015, 02:15 PM
Replies: 109
Views: 14,818
Posted By Raylar

Yep, but the stock computer becomes the limiting...

Yep, but the stock computer becomes the limiting factor with "tuning" these engines in boat applications. 50-51psi seems to work pretty well, but the best fuel delivery solution is an aftermarket...
Forum: General Q & A
11-13-2015, 01:50 AM
Replies: 109
Views: 14,818
Posted By Raylar

http://www.raylarengineering.com/img/540-afr.jpg ...

http://www.raylarengineering.com/img/540-afr.jpg

AFR map from our tuner on a stage 1 540 build. If possible, you should be somewhere in the 12.2-12.7 range at WOT. In street vehicles, we've found...
Forum: General Q & A
10-28-2015, 12:42 PM
Replies: 268
Views: 75,518
Posted By Raylar

He's correct about the 496. If you're looking for...

He's correct about the 496. If you're looking for bulletproof out of the box, the stock heads are junk, the stock intake manifold doesn't flow well and the stock 496 rotating assembly likes to...
Forum: General Q & A
10-28-2015, 12:52 AM
Replies: 268
Views: 75,518
Posted By Raylar

The high versus low octane argument has been...

The high versus low octane argument has been tested by the guys at Full Throttle Marine. (http://www.raylarengineering.com/mercury-marine-496-mag-performance-parts-upgrade-magazine-article.html)
Forum: General Q & A
10-07-2015, 06:41 PM
Replies: 268
Views: 75,518
Posted By Raylar

Holy! I forget to check this board for a couple...

Holy! I forget to check this board for a couple weeks and all sorts of hell breaks loose ;)



Yup. The stock cast pistons, low flowing cylinder heads and intake manifold make the 496 an...
Forum: General Q & A
03-18-2015, 08:24 PM
Replies: 4
Views: 2,246
Posted By Raylar

Lots of people on both the marine and street side...

Lots of people on both the marine and street side have replaced their stock 496 bottom ends with our stroker kits. The 511cid 4.5 inch stroke kit is a direct replacement for the stock assembly, no...
08-23-2014, 07:08 PM
Replies: 64
Views: 8,644
Posted By Raylar

Man I sure hope my experience is different. We...

Man I sure hope my experience is different. We sent in a pair that were leaking after very low hours of usage. There are some inconsistencies so far on service, communication and when/if they are...
08-23-2014, 06:48 PM
Replies: 5
Views: 1,093
Posted By Raylar

Well sorry but not much to say out in public. ...

Well sorry but not much to say out in public. He's moved on and the company still has great parts for those interested.
08-23-2014, 06:45 PM
Replies: 5
Views: 1,093
Posted By Raylar

Yes, thanks for mentioning that. We do get...

Yes, thanks for mentioning that. We do get killed with calls from tons of people who just want free advice on the phone and we just cant do it much these days.
08-23-2014, 05:58 PM
Replies: 5
Views: 1,093
Posted By Raylar

The last year has been an adventure. Learned a...

The last year has been an adventure. Learned a lot. But now things have worked them selves out and the future looks bright.
Best Larry Hofer
08-23-2014, 03:14 PM
Replies: 5
Views: 1,093
Posted By Raylar

Our Apologies from Raylar!

Does't take a genius to realize that we've been off here for a while. Ray has been gone for a long time and workload has just been crazy for over a year. I am really sorry to any and all that have...
Forum: General Q & A
01-30-2014, 07:18 PM
Replies: 201
Views: 95,573
Posted By Raylar

their cam is similar to the smallest cam i sell. ...

their cam is similar to the smallest cam i sell. I think i will beg off on any other specks. I worked a long time to find out what works
and what doesnt.

Larry Hofer
Forum: General Q & A
01-30-2014, 06:38 PM
Replies: 201
Views: 95,573
Posted By Raylar

ours are 230/238 at .050 . dont know what comps...

ours are 230/238 at .050 . dont know what comps are at .050 lift. sounds live the 270 duration is advertised duration.
it is measured differently than at .050
Larry Hofer
Forum: General Q & A
01-30-2014, 01:32 PM
Replies: 201
Views: 95,573
Posted By Raylar

generally not . there is no guarantee that the...

generally not . there is no guarantee that the trunion in somebody elses rockers are machined to the same height and the nuts may not adjust the valves correctly. IF you want to try it ,they are...
Forum: General Q & A
01-30-2014, 12:49 PM
Replies: 201
Views: 95,573
Posted By Raylar

Good morning to all those with extra time on...

Good morning to all those with extra time on their hands. Just a couple thoughts. First ,the Dart heads.; good part. The biggest draw back in my opinion is that after you buy the heads, you now also...
Forum: General Q & A
09-23-2013, 12:13 PM
Replies: 201
Views: 95,573
Posted By Raylar

Vortec If you look at the under side of the...

Vortec If you look at the under side of the pistons you will usual see the extra weight in the design in the wrist pin and skirt area.
the top thickness is limited by the wrist pit location...
Forum: General Q & A
09-23-2013, 12:03 PM
Replies: 201
Views: 95,573
Posted By Raylar

Most every thing Dart said sounds correct. onely...

Most every thing Dart said sounds correct. onely 2 things might be incorrect for the GM iron head.
1 I have a dart 632 i am putting together at this time and fitting the iron GM heads to it. (A...
Forum: Fountain
09-23-2013, 11:31 AM
Replies: 32
Views: 5,387
Posted By Raylar

If you are speaking of say around 2001 to 2007...

If you are speaking of say around 2001 to 2007 single engine, step bottom 27 then the only difference from the 28 - 30 prop will be the gear reduction itself. Your numbers are exactly what the...
Forum: General Q & A
09-22-2013, 03:17 PM
Replies: 201
Views: 95,573
Posted By Raylar

Vortec: don't know the exact weight of the forged...

Vortec: don't know the exact weight of the forged piston. They work well with our H beam robs and internal balanced rotating assembly. The engine shop takes care of the engine balancing. i wouldn't...
Forum: Fountain
09-21-2013, 10:55 PM
Replies: 32
Views: 5,387
Posted By Raylar

The tooth count difference on the gears from 1.5...

The tooth count difference on the gears from 1.5 to 1.65 is 2. Consequently, two teeth are equal to two inches in pitch if you're talking stock bravo 4 blade props. ..And those are about .7 less...
Forum: Fountain
09-21-2013, 10:52 PM
Replies: 32
Views: 5,387
Posted By Raylar

You're right there. If you install a simple...

You're right there. If you install a simple SmartCraft Gauge or put a computer on it you will see that your tach is slightly off. 5150 is the stock limiter in the 555. You have a 1.65 drive. With...
Forum: Fountain
09-21-2013, 10:24 PM
Replies: 195
Views: 19,993
Posted By Raylar

Just sent payment. Looking forward to getting...

Just sent payment. Looking forward to getting some that don't break. Thanks!
Forum: General Q & A
09-18-2013, 11:28 AM
Replies: 201
Views: 95,573
Posted By Raylar

also as a note to VORTECBANDIT ,i have in...

also as a note to VORTECBANDIT ,i have in stock,forged pistons for the.990 wrist pin and 1.340 and 1.350 compression heigth.
Without sonic checking the block, i would be cautious about going .060...
Forum: General Q & A
09-18-2013, 11:13 AM
Replies: 201
Views: 95,573
Posted By Raylar

IT sounds like the head shop did a good job for...

IT sounds like the head shop did a good job for you. They saved the heads and increased the valve size at the same time.
just have them cut down the OD of your valves and take what you can get. A...
Showing results 1 to 25 of 500
 


 
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