Search: Posts Made By: HARRISONMIRAGE
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Forum: General Q & A 11-19-2006, 02:54 PM
Replies: 8
Views: 1,759
Posted By HARRISONMIRAGE
Re: GM 502 Piston Replacement

If you need the metric GM rings you can get them individualy from GM
Forum: General Q & A 07-29-2005, 01:51 PM
Replies: 14
Views: 1,152
Posted By HARRISONMIRAGE
Re: lost top end after power valve change??

You probably are not dropping to 3.5" vacuum at full throttle.If this is the case be careful because you will be leaning it out.As mentioned above hook up a vacuum gauge and do some runs.
Forum: General Q & A 07-27-2005, 05:17 PM
Replies: 14
Views: 1,208
Posted By HARRISONMIRAGE
Re: Gasoline Additives

Can you say snake oil.
Forum: General Q & A 03-03-2005, 02:14 PM
Replies: 1
Views: 453
Posted By HARRISONMIRAGE
Extreme Mufflers

I have a friend with a 25 foot deep v performnce boat with Eddie marine exhaust and aprox. 500hp.He is looking for clamp on mufflers and was looking at the extreme units.Any experiance would be...
Forum: General Q & A 02-03-2005, 02:03 AM
Replies: 12
Views: 2,217
Posted By HARRISONMIRAGE
Re: alt not charging till you rev it

If you have a delco marine alternator it will act like that if you have the large pully.If you use the small pully you will burn bearings out prematurely if you run high rpm.The delco is a popular...
Forum: General Q & A 01-05-2005, 03:20 AM
Replies: 27
Views: 2,874
Posted By HARRISONMIRAGE
Re: Valves

What happens without lashcaps???Should I address this or run it.
Forum: General Q & A 01-03-2005, 01:15 AM
Replies: 27
Views: 2,874
Posted By HARRISONMIRAGE
Re: Valves

I am using Ferea F1261P super alloys in GM Aluminum heads.What is the difference in the F1271P that is marketed as a light weight super alloy valve.I am assuming it is undercut more under the...
Forum: General Q & A 11-25-2004, 01:21 AM
Replies: 19
Views: 2,022
Posted By HARRISONMIRAGE
Re: What are the limitations to the bravo 3?

Just a curious question ,do both shafts spin the same speed.
Forum: General Q & A 11-25-2004, 01:18 AM
Replies: 18
Views: 1,668
Posted By HARRISONMIRAGE
Re: Merlin Crate Motors

Teague is the only distributor of the marinized version.Good value for buck but I would tear it down.Crate motors miss a lot of attention to detail.I tend to think of them as a box of parts loosly...
Forum: General Q & A 11-24-2004, 12:04 AM
Replies: 19
Views: 2,022
Posted By HARRISONMIRAGE
Re: What are the limitations to the bravo 3?

Don't you have a buddy with one that you can try.Not much to swap them.I would think your boat will perfom much better with the bravo 1.I know of a few people that have had reliability issues with...
Forum: General Q & A 11-23-2004, 11:28 PM
Replies: 2
Views: 919
Posted By HARRISONMIRAGE
Re: Gen V Crankshaft

Both from 7.4's
Forum: General Q & A 11-23-2004, 11:26 PM
Replies: 2
Views: 919
Posted By HARRISONMIRAGE
Re: Gen V Crankshaft

The 552 is forged from a magnum motor and the 551 is cast from a peanut port 330.If the crank is in good shape I would use it in a motor up 450 hp if balanced properly and the rpm's are kept under...
Forum: General Q & A 11-23-2004, 02:36 AM
Replies: 3
Views: 655
Posted By HARRISONMIRAGE
Re: Tilt problem

Should say will load up when pumping in retract mode with lines hooked together
Forum: General Q & A 11-23-2004, 02:34 AM
Replies: 3
Views: 655
Posted By HARRISONMIRAGE
Re: Tilt problem

Sounds like a problem with the hold mechanism in the pump(counterbalance valve).Not totaly familiar with your pump but they all opperate on basic principals.When the pump energises the extend circuit...
Forum: General Q & A 11-22-2004, 12:10 AM
Replies: 5
Views: 800
Posted By HARRISONMIRAGE
Re: compression, PSI

They are small.I had a 454 that cold cranked at 180 psi.with a 224/230 cam installed at 106 atdc.Be carful with these heads on a carb motor as they will detonate really easy.Use about 28* total...
Forum: General Q & A 11-22-2004, 12:02 AM
Replies: 14
Views: 2,643
Posted By HARRISONMIRAGE
Re: ZZ502 Cam in a Merc 502MagMPI

I have a zz motor that I modified a bit and with the cam reground to a 112 lsa and instaled at 110 atdc and it still sucks water back at low idle.My exhaust is stainless marine with the short risers...
Forum: General Q & A 10-31-2004, 11:58 PM
Replies: 12
Views: 6,588
Posted By HARRISONMIRAGE
Re: Edelbrock. Marine carbs / Road carbs (#1410 Vs #4111)

Check out chief engines.I got a marine 800 cfm Holley double pumper for 425 bucks.The smaller carbs are less.I woulndn't waste the time modifying the edelbrock.There not bad carbs but I prefer thhe...
Forum: General Q & A 10-27-2004, 12:01 AM
Replies: 38
Views: 4,306
Posted By HARRISONMIRAGE
Re: Amsoil, what a waste of my money

Monitoring oil consumption over 50 hours.I never run my oil that long.25 hours is a number I like.Oil is real cheap in comparison to all the broken parts we all have scatered around our garages.
Forum: General Q & A 10-19-2004, 02:35 AM
Replies: 0
Views: 497
Posted By HARRISONMIRAGE
Valve Diameter & Lash Caps

I'm using pro magnum roller rockers with 11/32 stems with no lash caps and was wondering if anyone else is using this setup.My machine shop recommended using lash caps.I had trouble getting the side...
Forum: General Q & A 10-19-2004, 02:20 AM
Replies: 20
Views: 6,254
Posted By HARRISONMIRAGE
Re: Big Block Vortec heads airflow data...?

vortec=fast burn=fast detonation watch your total timing
Forum: General Q & A 10-19-2004, 02:17 AM
Replies: 32
Views: 2,156
Posted By HARRISONMIRAGE
Re: Cost of retro to Roller cams?

What is the max rpm you guys run your rollers at.I try an keep mine under 5500.
Forum: General Q & A 10-19-2004, 02:16 AM
Replies: 32
Views: 2,156
Posted By HARRISONMIRAGE
Re: Cost of retro to Roller cams?

.625 lift sounds a bit much on the stock lifters.I'm curious if you have run it and with what cam.I'd be a bit nervous of the lifter going that far down in the guide plate.I know there is a bit more...
Forum: General Q & A 10-18-2004, 12:20 AM
Replies: 41
Views: 3,100
Posted By HARRISONMIRAGE
Re: Urgent! Engine stand ??

Be careful with the name brand American made stands,hoists,jacks,ect.such as OTC Blackhawck Lincoln as many of these manufactures are selling imports to compete.Most people won't buy a 1000 buck...
Forum: General Q & A 10-09-2004, 09:52 PM
Replies: 2
Views: 662
Posted By HARRISONMIRAGE
Re: Engine Flush on tear down????

Good question.I can't resist but you live in vegas and I would gamble on it.
Forum: General Q & A 10-07-2004, 12:50 AM
Replies: 4
Views: 950
Posted By HARRISONMIRAGE
Re: Trim Pumps and Fluid Viscosity.

A stated,path of least resistance always wins the race.Oil or current.I personally think trying to get them to go the same speed with different oil viscosities would work in theory,but it would be...
Showing results 1 to 25 of 192



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