347 in the 5's ?
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From: Monticello, Ky
347 in the 5's ? ok guys here's the scoop as of now i have a 347 shortblock....stock crank forged h beam rods and wiseco -11cc dish pistons....needing advice on what heads & cam to go with....topped of with a vic jr and a 90mmtb....and a master power mp4598 turbo....we have a lot of guys running an 8.5 tire class around here....needing to get this car into 5.60's in the 1/8th....what do you guys think? i know that the turbo will have to be changed but im looking to get the bugs worked out with this small turbo then step up to a bigger one say a 80-88mm?
ok guys here's the scoop as of now i have a 347 shortblock....stock crank forged h beam rods and wiseco -11cc dish pistons....needing advice on what heads & cam to go with....topped of with a vic jr and a 90mmtb....and a master power mp4598 turbo....we have a lot of guys running an 8.5 tire class around here....needing to get this car into 5.60's in the 1/8th....what do you guys think? i know that the turbo will have to be changed but im looking to get the bugs worked out with this small turbo then step up to a bigger one say a 80-88mm?
You will need an 88mm unit to reach that level of performance. A MP unit will not make any power close to what you need. If you push it, then expect it to come apart.
88mm is good for solid 5.4's with a properly set up car. And faster if everything is perfect.
I've had two in the 5s with a 347, LS6 intake, smallish cam etc but I used a procharger.
60' is the tough part when looking for 5.60s, I'm sure its possible with the right turbo and a light enough car.
60' is the tough part when looking for 5.60s, I'm sure its possible with the right turbo and a light enough car.
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Good to know. been trying to decide whether or not to leave mine as a nitrous setup or go turbo. Looking for 5's to be competitive in a local 'street car' class here in Iowa. Mid 5's should get me solidly in the field.
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Turbo was a s480, here is the biggest collection of info I have on the car.
https://ls1tech.com/forums/forced-in...hortblock.html
https://ls1tech.com/forums/forced-in...hortblock.html
