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Search: Posts Made By: FormulaBoat
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06-17-2019, 04:02 PM
Replies: 29
Views: 989
Posted By FormulaBoat

Outboard runtime is fractional of an automobile...

Outboard runtime is fractional of an automobile engine. The stock square Mitsubishi Electric coils are of amazing build quality reliability, and have been used up to 1000hp of boosted induction. If...
06-12-2019, 09:27 AM
Replies: 19
Views: 1,256
Posted By FormulaBoat

Heavy subject. Depends on injection type, spark...

Heavy subject. Depends on injection type, spark plug location, cylinder head geometry, induction air swirl / tumble, quench (as mentioned), fuel type, flame front propagation, etc... Flat top may...
06-09-2019, 12:30 AM
Replies: 38
Views: 2,507
Posted By FormulaBoat

Iíll go against the grain. If it looks well...

Iíll go against the grain. If it looks well otherwise, then I would change the cam/lifters, change oil, and swap over to a magnetic drain plug. Change the oil often at first.

It is a stock...
06-07-2019, 09:47 PM
Replies: 57
Views: 9,833
Posted By FormulaBoat

The stock coils are uber reliable, and good to...

The stock coils are uber reliable, and good to 1,000hp as mentioned. Aftermarket coil reliability is marginal at best.
06-05-2019, 08:08 AM
Replies: 4
Views: 2,520
Posted By FormulaBoat

Majority of aftermarket electric fans are weak....

Majority of aftermarket electric fans are weak. Convenient, but weak. Need to up fan power, via different/more electric choice or switch to belt driven unit. Try to modify and use an OEM fan if...
05-27-2019, 05:55 PM
Replies: 26
Views: 16,294
Posted By FormulaBoat

For longevity, Iíd trust stock GM valves over...

For longevity, Iíd trust stock GM valves over aftermarket. I assembled my L92 heads with new stock GM stainless intake valves from the LSA, and stock GM inconel exhaust valves from the LY6. Going in...
05-27-2019, 05:46 PM
Replies: 5
Views: 2,625
Posted By FormulaBoat

Understand and agree. But they will only fit...

Understand and agree. But they will only fit correctly as installed when the align bore was done.
05-26-2019, 03:48 PM
Replies: 30
Views: 1,621
Posted By FormulaBoat

New should, but does not mean, correct. ...

New should, but does not mean, correct.

Have all the bearing ring caps on the correct way? I just learned there is a little more to this than I thought.

Also, some people use a seating...
05-24-2019, 08:15 AM
Replies: 10
Views: 2,482
Posted By FormulaBoat

Fan driver within the ECU could be shot. Have...

Fan driver within the ECU could be shot. Have you checked it's output with a meter or scope to see if it is locked on solid? I'm not sure of the wiring of this setup, but if it is low side drive...
05-24-2019, 08:09 AM
Replies: 3
Views: 2,223
Posted By FormulaBoat

If they run true when rolled against each other,...

If they run true when rolled against each other, they should be fine, my opinion. You can rotate them in a set of V block with a dial indicator on the middle, if you really want, but I don't feel...
05-23-2019, 03:05 PM
Replies: 5
Views: 2,625
Posted By FormulaBoat

Noted, thanks. All stock build on this one, but....

Noted, thanks. All stock build on this one, but. Good mention on the oil pump spacers, thanks. That's exactly the stuff I'm referring to, even though I am using a stock chain and no spacers.

I...
05-23-2019, 08:56 AM
Replies: 5
Views: 2,625
Posted By FormulaBoat

Almost a Gotcha on Build

Almost got roasted. Have built numerous various engines, and now assembling my first "LS", a Gen IV LS3. Was measuring main bearing bore ID, and kept feeling the parting surfaces of the bore sticking...
05-16-2019, 01:05 PM
Replies: 6
Views: 496
Posted By FormulaBoat

Agree on battery health. If it is 5 years old or...

Agree on battery health. If it is 5 years old or more, ditch it. If it has went totally dead several times, regardless of age, ditch it.

You can run a modern GM alternator to add a lot of extra...
05-16-2019, 12:58 PM
Replies: 7
Views: 503
Posted By FormulaBoat

Battery is fine. 10V at a load test (cranking)...

Battery is fine. 10V at a load test (cranking) is OK. Below that is weak, but you seem OK there. Sorry about the divorce, it happens. :/ Yes, the ECU will fire down to much lower voltage than...
05-16-2019, 12:49 PM
Replies: 10
Views: 524
Posted By FormulaBoat

I've used Rislone engine flush (kerosene?), and...

I've used Rislone engine flush (kerosene?), and had a bad experience. This was with an engine that was not the most durable to begin with (1987 Ford EXP 1.9L EFI HO). I have since done the trans...
05-13-2019, 09:22 PM
Replies: 14
Views: 872
Posted By FormulaBoat

Nearly every one of todayís automotive engine...

Nearly every one of todayís automotive engine manufacturers for the past 20 years and going forward use them. Most are tensioned via engine oil pressure.

Each their own to use or not. I see a...
05-08-2019, 08:13 PM
Replies: 1
Views: 290
Posted By FormulaBoat

You can just vent it to atmosphere with a small...

You can just vent it to atmosphere with a small filter on the end, but usually a stock calibration will assume it to breathe fuel vapor in high concentration at first. Hopefully closed loop mode can...
05-08-2019, 01:51 PM
Replies: 14
Views: 872
Posted By FormulaBoat

Disagree. The tensioner greatly damps chain...

Disagree. The tensioner greatly damps chain harmonics when running (cam torque is not constant, same with crank constant acceleration/deceleration), as well as takes up any whiplash, especially upon...
05-07-2019, 08:50 AM
Replies: 14
Views: 872
Posted By FormulaBoat

There have been 2 different types of nylon /...

There have been 2 different types of nylon / plastic material used on the spring loaded chain slider leaf type tensioners. Earlier ones were the typical white nylon/plastic, which many have witnesses...
04-19-2019, 09:48 PM
Replies: 2
Views: 304
Posted By FormulaBoat

L80 and L60 same. Not sure of L90, your post...

L80 and L60 same. Not sure of L90, your post doesnít match the title.
04-19-2019, 09:45 PM
Replies: 5
Views: 474
Posted By FormulaBoat

How did the previous motor fail? Could be yuck...

How did the previous motor fail? Could be yuck left in the exhaust that burned off once hot. Iíd pressure test the cooling system, then nail it again and see if it happens again.
04-01-2019, 09:46 AM
Replies: 2
Views: 276
Posted By FormulaBoat

Any love for this one? Thanks...

Any love for this one? Thanks...
03-29-2019, 07:14 AM
Replies: 18
Views: 805
Posted By FormulaBoat

May be easier to achieve (less stress) with an...

May be easier to achieve (less stress) with an LY6. Larger bore and valves, same durable iron block and external size. That's how I'd do it, anyway, but I'm just a tool. If I were to do a turbo...
03-28-2019, 09:39 AM
Replies: 2
Views: 276
Posted By FormulaBoat

E67 5.3L to 6.2L LS3 Swap Tune

Hi all. I'll soon be switching my all stock 2009 Colorado 5.3L to a stock 6.2L LS3 build. Only difference off being I will be using the L9H truck intake (L92'ish, to keep the 5.3 look) and my...
03-27-2019, 02:55 PM
Replies: 17
Views: 748
Posted By FormulaBoat

I don't think it is a completely off-base...

I don't think it is a completely off-base question. Todays engines will last longer than yesterdays, mostly pending on how they are taken care of. A short answer when I have reviewed seemed to be...
Showing results 1 to 25 of 128
 


 
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