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5.3 L83 Blower Cam Options... LT4?


JayIPT

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Posted

Active Fuel Management compatible cams and looking at the numbers as it applies to using a blower. What works best?

 

 

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Posted

So here it is...

 

Im looking for a cam.

Comp cams has 4 cams available for our afm

 

210/222 .573/.530 116

214/226 .572/.529 116

218/230 .572/.529 117

222/234. .572/.529 118

 

 

Lingenfelter has one.

(Vette Lt1) natural aspirated

 

217/229 .576/.576. 116

 

Then theres the stock cam

 

Lt4 Z06 (1.7 supercharged)

 

189/223 .492/.551 120

 

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Posted

1900 Maggie / LT headers / Cam???

 

I saw somebody on performancetrucks

Get over 500 rwhp on 9lbs of boost using the LT4 cam and headers.

 

They said it has a larger fuel lobe, but I cant find that info independently.

 

It is afm compatible and is obviously proven to work well.

 

Comparing the LT4 to the LT1.. why would the LT4 be more suitable for the supercharger?

Does a cam for higher rpms get supplemented by a supercharger on the low end?

 

LT1 .... 200/207 .551/.524 116.5 -29 overlap

 

LT4 ... 189/223 .492/.551 120 -34 overlap

 

 

 

 

 

 

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