No more rev limiter?

[SupraSean]

92 7mgte mapecu2. I was driving the other night and did a second gear pull and when it spooled i looked down right before i shifted and i could have sworn I saw it PAST 6500,,, Im thinking how the hell could that be so i start pulling in third and sure as shit 6800 saw no limiter. I wasnt going to push it but im wondering how in the hell can the limiter just "go away" lol. any insight would be great. Thanks in advance

 

[onemancrew]

? I didn't think 7mgte's had a rev limiter! If they do, I've never hit it and Iv'e revved past 6500 before.

 

[OfnaRcR4]

They do.

 

[Turbo Habanero]

Really lol.. I hit my rev limiter all the time

 

[shipkiller]

isn't that a rodbearing killing device to bounce off the rev limiter

 

[Turbo Habanero]

As far as I know the limiter is 6750 on the pre 89 6500 on the 89+

I think I read 91-92 were differed also

 

[87Burg7mgte]

Too bad fuel cut won't even let me hit 5k!

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[Turbo Habanero]

Too bad fuel cut won't even let me hit 5k!

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turn down the boost problem solved lol

 

[87Burg7mgte]

I've been meaning to remove a few washers from that wastegate.. I believe it has 5 of them or more :/

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[SupraSean]

Im going to verify true rpm through mapecu. perhaps my tach is off

 

[tyang82]

Hmm... Maybe I should try the washer trick on my stock ct, I was gonna send it to albert but after I had my head rebuilt the turbo is back to boosting fine. But my 91 rev limit goes to the 6000 range, maybe a little more but I'm not interested in trying to go over.

 

[3p141592654]

Rev limit is 6500 with 7M crank, 6750 with 6M crank. Your tach is not that accurate, especially when it is accelerating which likely explains your observation. ECU computes rpm from the CPS NE signal, which will not be affected by any piggyback.

 

[Dan_Gyoba]

My tach lies like a rug. I hit the rev limiter a number of times, because it happens when my tach reads ~5200 RPM. Maybe your tach is the other way?

 

[SupraSean]

Yea, my tach is def. wrong. i finally decided to see how high it would go. 7k shown on tach hit the limiter at a REAL 6500rpm. Thanks guys.

 

[oldsking]

I may need your help with that 750cc fuel map you are using I have a similar set up currently