Engine swap questions

[87silveradok20]

Oh ok LS7........

Well we’re getting closer.


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[87silveradok20]

+1 on 8.1l . They have stroker or supercharger configuration available or both. If ok with 2" body lift, then can pick on up with allison already attached to it

No body lifts for me. I already took one off this truck


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[Honky Kong jr]

No body lifts for me. I already took one off this truck


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Then rebuild the tunnel. Every one needs 505 HP on tap in their trucks....ie LS7

 

[87silveradok20]

Then rebuild the tunnel. Every one needs 505 HP on tap in their trucks....ie LS7

With tires at $300 a piece I don’t think I could afford that kind of power.


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[Honky Kong jr]

With tires at $300 a piece I don’t think I could afford that kind of power.


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But when you need it it's nice to know it's there but then again upper range hp is useless in a big tire 3/4 ton. Big block all the way.

 

[87silveradok20]

But when you need it it's nice to know it's there but then again upper range hp is useless in a big tire 3/4 ton. Big block all the way.

Big blocks are fun but around here they are well over 1k for a 454 that needs rebuilt.


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[Honky Kong jr]

Big blocks are fun but around here they are well over 1k for a 454 that needs rebuilt.


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That sucks I buy them by the pound when they come in to the recycling yard. On CL here a deal can be found every now and then.

 

[87silveradok20]

That sucks I buy them by the pound when they come in to the recycling yard. On CL here a deal can be found every now and then.

Man it must be nice


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[yevgenievich]

No body lifts for me. I already took one off this truck


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Then stick with the 4l80e size unit. I would say if you can find a good deal on any of the options mentioned can jump on it.

 

[Jrgunn5150]

Well that’s definitely something I’ll think about. For whatever reason tho the 8.1 is hard to find around me.


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A running 8.1 is about 1500, a cam, headers, and a tune will have it making 400 rwhp and over 500 ft/lb, on 87 octane.

My tune only truck is 320 rwhp through an Allison, and get's around 12-13 mpg being daily driven and weekend hauling.

In my opinion, the 8.1 is the best bet for plopping something in wherever a small or big block will fit, feeding it 87 octane, and lugging heavy thing's around.

6.0's can't come close in towing, and a set of injectors for a diesel costs more than an entire 8.1 replacement.

Just my opinion, if I won the lottery, I'd totally have a CUmmins Square lol.

 

[4WDKC]

Then rebuild the tunnel. Every one needs 505 HP on tap in their trucks....ie LS7

505 what are you looking at?

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[foamypirate]

505 what are you looking at?

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I like how that says "8.1L 540cid"....cause those are the same (not), lol!

 

[Jrgunn5150]

They really don't suck stock lol, no need for eleventy billion in Raylar stuff.....

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[87silveradok20]

A running 8.1 is about 1500, a cam, headers, and a tune will have it making 400 rwhp and over 500 ft/lb, on 87 octane.

My tune only truck is 320 rwhp through an Allison, and get's around 12-13 mpg being daily driven and weekend hauling.

In my opinion, the 8.1 is the best bet for plopping something in wherever a small or big block will fit, feeding it 87 octane, and lugging heavy thing's around.

6.0's can't come close in towing, and a set of injectors for a diesel costs more than an entire 8.1 replacement.

Just my opinion, if I won the lottery, I'd totally have a CUmmins Square lol.

A set of injectors for a 12v aren’t actually all that bad. If I could find an 8.1 It would be sweet but they are hard to come by


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[87silveradok20]

A running 8.1 is about 1500, a cam, headers, and a tune will have it making 400 rwhp and over 500 ft/lb, on 87 octane.

My tune only truck is 320 rwhp through an Allison, and get's around 12-13 mpg being daily driven and weekend hauling.

In my opinion, the 8.1 is the best bet for plopping something in wherever a small or big block will fit, feeding it 87 octane, and lugging heavy thing's around.

6.0's can't come close in towing, and a set of injectors for a diesel costs more than an entire 8.1 replacement.

Just my opinion, if I won the lottery, I'd totally have a CUmmins Square lol.

A set of injectors for a 12v aren’t actually all that bad. If I could find an 8.1 It would be sweet but they are hard to come by


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