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from 352 reviewsPump is a genuine TI/Walbro unit at the best price I could find! Also IN STOCK which was also a rarity! Rock steady pressure.
Just finished installing this in my 71 blazer with an ly6. Still working on the tune but she is pretty peppy now. Didn't notice any loss in low end and anything above 3000 rpm is much more responsive.
Richard is the man. This cam gave my truck so much power it broke both rear axles when i floored it. Be careful with the right foot people.
Was on back order and still showed up within a week. Cam was packed very well, plenty of wrapping! Communication on the teams part was spot on! Can't wait to fire this in the truck and listen to it chomp.
Spent months debating on cams and tunes. Finally decided to build my lm7 with a RHP low buck truck cam supporting modifications etc. After motor was built was looking for ways to tune was looking at spending 700-1000. Then Richard released the RTD4 on his website. Few weeks later ordered my tuner contacted Richard and was given contact to Joel from QED Tuning who has dialed this tune into perfection on my 06 silverado feels like a whole new truck.Slowly knocking away at timing with Joel now for some more power but getting to our final revision. was a great experience. Well worth the $450 value!
Works and sounds amazing!!! I ordered it while it was back ordered, so it took awhile to come. But that gave me plenty of time to prepare. Engine is now tuned and runs excellent! Thank you!
Feels like quality i haven't installed it but I got this cam recommendation from a friend goin in a 90s tahoe with a new ls swapp appreciate the great customer service
Fast shipping great price from a great resource for information
Quality parts great customer service
Haven't had a chance to install but looks to be great quality.
Good customer service and good prices. They answered my questions, very helpful. thanks Ben
I put this cam and springs in my 5.3 ls swap i couldn't be happier i also used the rhp tuner to tune my truck it makes good power and sounds mean
Blog posts
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How to Choose Injector size
Richard HoldenerChoosing the right injector size is simple math. Richard walks you through sizing for NA, turbo, E85, and gasoline applications across LS and import platforms.
How to Choose Injector size
Richard HoldenerChoosing the right injector size is simple math. Richard walks you through sizing for NA, turbo, E85, and gasoline applications across LS and import platforms.