your recipe for budget 700hp sbc

[CamKing]

I've heard all kinds of things and would like to hear the professionals opinion on a true 700hp sbc combo that utilizes somekind of limited budget with no power adders. A true N/A combo:

Anxious to hear some combos!

thanks

I'd buy a used 750-800hp circle track engine, and nock some compression out of it, and change the cam, so it would make 700hp.

[tt 383]

The outline needs to be clarified, valve angle, actual budget, pump gas, rpm's, longevity desired (1/4 mile, short oval, road race), cubes, etc... These all play a certain roll, budget could be greatly reduced using a set of used shallow angle heads on a production block at 383/396 @72-7500 rpm.

[lun40119]

Great Thread..........Ill be following along. Op.........630lift like one suggested isn't going to cut it.......

My pump gas 402 with low port 23° heads has gone 132 and change at 3600lbs in almost 4000ft air. Ets aren't that great, working on the 330' times. Not going that well yet. Best 60' is 1.389. I drive this car alot, and even tow a trailer with it.

700HP out of a 3.750 stroke deal is getting it done. The bigger stroke stuff should be that bad. Making it last is going to be another story. I've got a pretty well documented build with spintron data, dyno data, and a shitload of pictures, if your interested let me know..........I have 1500 miles on the springs/lifters right now, still looks good.

[miniv8]

IMO, 700 N/A horsepower on a budget is a BBC

[lun40119]

IMO, 700 N/A horsepower on a budget is a BBC

You are probably correct.............but it sure is fun doing it with a mouse...

[LilRacr]

I guess it all depends on what dyno you make 700hp as to the budget.

When you start talking aftermarket block, to me that is past budget!

[lun40119]

What about if you do it on two different dynos? Does that still count?

[Orr89rocz]

Aftermarket block would almost be necessary tho for this, and 1800 for SHP isnt all that bad, considering what it would cost to have an old 350 or 400 block machined/prepped out.

True budget and high hp would be from a 4.8-5.3-6.0 lsx motor and a home built turbo setup. 1000hp can be obtained without much work, other than maybe rod bolts/cam

[lun40119]

I thought he was talking about "NA"? Of course it would be cheaper to slap a windmill on it........

[Nitrousknob]

I have 14 degree Heads and Spider Intake NIB,Dart Iron Eagle Block NIB, and Crank you need priced right for 700 plus HP

[Orr89rocz]

Yeah, he's talkin n/a but its not as budget. If you need that power on a budget, n/a may not be your best bet

[MrBo]

Great Thread..........Ill be following along. Op.........630lift like one suggested isn't going to cut it.......

My pump gas 402 with low port 23° heads has gone 132 and change at 3600lbs in almost 4000ft air. Ets aren't that great, working on the 330' times. Not going that well yet. Best 60' is 1.389. I drive this car alot, and even tow a trailer with it.

700HP out of a 3.750 stroke deal is getting it done. The bigger stroke stuff should be that bad. Making it last is going to be another story. I've got a pretty well documented build with spintron data, dyno data, and a shitload of pictures, if your interested let me know..........I have 1500 miles on the springs/lifters right now, still looks good.

The bottom line is the ET and MPH on the same pass. I have been reading about this engine for about a year now.
What did it run? Inquiring minds would like to know.

[MaxFlow]

I have 14 degree Heads and Spider Intake NIB,Dart Iron Eagle Block NIB, and Crank you need priced right for 700 plus HP

This poster probably has what's needed. How much money to build that thing?

[3V Performance]

Great Thread..........Ill be following along. Op.........630lift like one suggested isn't going to cut it.......

My pump gas 402 with low port 23° heads has gone 132 and change at 3600lbs in almost 4000ft air. Ets aren't that great, working on the 330' times. Not going that well yet. Best 60' is 1.389. I drive this car alot, and even tow a trailer with it.

700HP out of a 3.750 stroke deal is getting it done. The bigger stroke stuff should be that bad. Making it last is going to be another story. I've got a pretty well documented build with spintron data, dyno data, and a shitload of pictures, if your interested let me know..........I have 1500 miles on the springs/lifters right now, still looks good.

The bottom line is the ET and MPH on the same pass. I have been reading about this engine for about a year now.
What did it run? Inquiring minds would like to know.

10 teens @ 133mph
4000ft d/a
3600 lbs
190* water temp
pump gas
60ft so bad not worth posting.

1500 street miles and still the same springs that was used on the spintron and dyno.

[MaxFlow]

10 teens @ 133mph
4000ft d/a
3600 lbs
190* water temp
pump gas
60ft so bad not worth posting.

1500 street miles and still the same springs that was used on the spintron and dyno.3V Performance
" ENGINES WITH AN ATTITUDE "3V Performance
Guru


Posts: 1026
Joined: Thu Dec 28, 2006 8:40 am
Location: Sherrills Ford, N.C.


That's a 680 or so hp 400 inch pump gas small block. Not too shabby.