Super late model motors

[Jking24]

Flyboy yes basically

[billetbirdcage]

Concerning rebuild/freshen intervals, is 1000 green flag laps still a good rule of thumb?

It really depends on what stroke/CID motor you have and what brand too be completely honest. With the Ford we run 2000 laps, we could never go that far with a Chevy and didn't turn as many RPM's and was 30 to 40 HP short of the ford. 1200ish is about as far as we would push the Chevy.

I'm talking full on super engines: 430+ CiD, 875 to 925HP, 8600/9400 RPM stuff

[Car Biz]

It really depends on what stroke/CID motor you have and what brand too be completely honest. With the Ford we run 2000 laps, we could never go that far with a Chevy and didn't turn as many RPM's and was 30 to 40 HP short of the ford. 1200ish is about as far as we would push the Chevy.

I'm talking full on super engines: 430+ CiD, 875 to 925HP, 8600/9400 RPM stuff

WOW 2000 laps! Is that common place now? Malcuit told us 1000 on our 415 Ford and 1200 we were on "borrowed time" this was in 1998 though

[fastford]

Not the case carburetors routinely make more horsepower than fuel injection in head to head competition even on pump gas. The horse power numbers they make are irrelevant what matters in latemodels is drivability and a broad smooth power range. If the big number was all that matterd Baldwin ls engines would already be on the pole of every major event nationwide

im not saying carbs want work , i am a carb man my self , but on pump gas , there is no way to control high compression near as well as with efi and timing control { ie: knock sensors } , and for smooth power curve , its efi hands down,,,,jmo

[dirtcrazy4u]

Yea strictly pump gas EFI would be the way to go. The touring guys are not running pump gas. Many swap out carbs in any given night just because of track conditions and can fine tune the carb. You don't have that flexibility with EFI . At least not until they let you get out the laptop and that's a whole new ballgame.

[westlingracing]

We have ran LS since 2014. Started using the ct525 in ump. Even made half the summer national shows that year with them.. in 2016 we did modify them with Baldwin. We can make close to 700 with 93 octane pump gas and still us a hydraulic cam. We got around 3000 laps before we had a stock valve fail. Bearings, rings still looked new. Can't do that with a sbc!

[billetbirdcage]

WOW 2000 laps! Is that common place now? Malcuit told us 1000 on our 415 Ford and 1200 we were on "borrowed time" this was in 1998 though

Again it depends on what you have. The fords a few of my guys use are all a Spintron tested combo so valve train problems are basically non existent even at 9500 RPM, the biggest concern is really pulling a rod apart due to the massive piston speed at those RPM's. I would not recommend that many laps on a typical LM engine unless it was a very researched out combo and had spintron testing done.

After 1200 laps the engine was down 8 HP so we now run closer to 2000 laps and had no issues.

[grt74]

Again it depends on what you have. The fords a few of my guys use are all a Spintron tested combo so valve train problems are basically non existent even at 9500 RPM, the biggest concern is really pulling a rod apart due to the massive piston speed at those RPM's. I would not recommend that many laps on a typical LM engine unless it was a very researched out combo and had spintron testing done.

After 1200 laps the engine was down 8 HP so we now run closer to 2000 laps and had no issues.

ry 45 ???? just curious

[Rajflyboy]

The LS is going big time 👍https://m.facebook.com/ScottBloomqui...48&__tn__=EH-R

[billetbirdcage]

ry 45 ???? just curious

Yes, an RY45

[Jking24]

The LS is going big time https://m.facebook.com/ScottBloomqui...48&__tn__=EH-R

I guess you didn't watch the race

[Rajflyboy]

Nope. But you have to try something in order to make it better and find ways to use it as need be

[jpb]

I guess you didn't watch the race

Not sure if it's accurate info or not but heard there was a hole in the radiator. Not a engine issue.

[Jking24]

Not sure if it's accurate info or not but heard there was a hole in the radiator. Not a engine issue.

Yeah i heard that and I'm not suggesting that he had engine trouble per say. But it looked like every other Baldwin engine I've seen they claim big dyno numbers but Scott couldn't get away from madden. It did not look like the motor ran good enough to contend. I have been paying very close attention to these engines for quite some time. And specifically the Baldwins. Some local guys in my area even have or had them and they just don't ever seem to back it up on the track

[donavon]

LS engine

Bloomer ran the 2nd quickest lap in the race the same lap Madden ran the fastest lap...Not too shabby