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Search: Posts Made By: mtgbiker
Showing results 1 to 9 of 9
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Forum: General Q & A
08-08-2005, 09:37 AM
Replies: 22
Views: 9,100
Posted By mtgbiker

Re: 454/420hp REBUILD Compression

Your Dyno numbers are respectable! You hit the right combo with your components. Good luck with the motor(s).
Dan
Forum: General Q & A
08-06-2005, 11:48 AM
Replies: 22
Views: 9,100
Posted By mtgbiker

Re: 454/420hp REBUILD Compression

[QUOTE=PatriYacht]Make sure the engine runs cool: 140 dgree thermostat, large oil cooler. QUOTE]

PatriYacht,

What about running no thermostats since the waters where I live usually hold 80*...
Forum: General Q & A
08-04-2005, 11:05 AM
Replies: 22
Views: 9,100
Posted By mtgbiker

Re: 454/420hp REBUILD Compression

Where would you suggest I back down to?

Dan
Forum: General Q & A
08-04-2005, 11:01 AM
Replies: 22
Views: 9,100
Posted By mtgbiker

Re: 454/420hp REBUILD Compression

I spoke to the engine builder yesterday and he still wants to go up to 10:1 compression on these mills. He has assured me that with a CUSTOM GRIND cam and re-worked heads that the motors will not...
Forum: General Q & A
08-03-2005, 07:32 PM
Replies: 22
Views: 9,100
Posted By mtgbiker

Re: 454/420hp REBUILD Compression

Excellent Hp. Its nice to back it up with Dyno numbers too :D

Are you using the factory heads and intake? If so, any mods? Or did you change them to a aftermarket set-up?

Dan
Forum: General Q & A
08-03-2005, 11:03 AM
Replies: 22
Views: 9,100
Posted By mtgbiker

Re: 454/420hp REBUILD Compression

[QUOTE=shawn]MTGBIKER. I upgraded my HP500s last year and have a few spare parts to sell.

Shawn ,

What cam did you install in your motors?
Carbed or fuel injected?
Are you running Gil...
Forum: General Q & A
08-03-2005, 07:52 AM
Replies: 22
Views: 9,100
Posted By mtgbiker

Re: 454/420hp REBUILD Compression

Has anyone used a merc (Dart) HP500 carb intake on a warmed 454 with re-worked GM 990, 188 or 088 iron heads ?
Forum: General Q & A
08-02-2005, 07:04 PM
Replies: 22
Views: 9,100
Posted By mtgbiker

Re: 454/420hp REBUILD Compression

Bob, I emailed you about 60 days ago and you suggested intake wedges, port and bowl work for these heads.

I am in complete agreement with you about creating safer hp. The bottom line is that my...
Forum: General Q & A
08-02-2005, 03:11 PM
Replies: 22
Views: 9,100
Posted By mtgbiker

454/420hp REBUILD Compression

I'm embarking on re-building my 454/420hp motors. I will be using the 990 iron GM heads having the bowls and ports re-worked and using Gold Crane Rollers. ALSO, Bore notching the cylinders!

Before...
Showing results 1 to 9 of 9


 
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