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4.8L with gt45 which injectors

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Old 03-31-2014, 08:40 AM
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Default 4.8L with gt45 which injectors

Okay well over the last couple months ended up building a gt45 turbo setup on my 55 belair with a stock 05 4.8L but of course got it running and driving toaday and buy 4100Rpm I was reaching 90% duty cycle. I can roll into boost at 50 in 4th and it climbs right know and pulls strong. I just need to order new injectors tomorrow. I only am planning on running like 5-8 psi. I know you say go bigger for later but I am not planning on running more boost for the cost of braking ****. If I don't go bigger hopefully for the price of injectors I will not want to spend 400 to turn it up down the road. But I also would like a direct plug in injector. I am not sure if I need 60'or 80's and are they ev1 or ev6 ends. Also who has the best deal on these. I also want some good injector data available for what ever I go with to make tuning with hp tuners that much easier. I also want to make sure with which ever ones I go with I have good drivability and idle. I think I have what they call the Delphi connector and not sure I guess need adapters for them and I also would like the same height I have so I don't have to run injector spacers or fuel rail spacers. I am using the 25317628 injectors right know.
Thanks in advance.
Old 03-31-2014, 01:50 PM
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If you plan on only 8psi then just get some 60's but the price of 80's are close to the same and not all that bad to tune either.

EV1 has a rectangle sharp corner plug and EV6 has more of a square/rectangle with rounder corners

Most guys run Siemens ones since they are reliable and cheap. (350ish)

Jay



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