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Forum: Pontiac - Race 01-22-2017, 05:35 PM
Replies: 123
Views: 7,507
Posted By BruceWilkie
Type of fuel appears to be e85. But even if pump...

Type of fuel appears to be e85. But even if pump gas you are probably best off with a conservative compression ratio. Keep in mind boost psi and charge temp greatly affects what ratio you can run...
Forum: Pontiac - Race 04-19-2014, 10:21 AM
Replies: 123
Views: 7,507
Posted By BruceWilkie
I need to check into the MP's more closely......

I need to check into the MP's more closely... I've seen nothing negative but havent brought myself up to date on them and dug in. I can think of a few Turbonetic and Garrets that could work well, but...
Forum: Pontiac - Race 04-18-2014, 09:42 PM
Replies: 123
Views: 7,507
Posted By BruceWilkie
Agree the t6 versions are a bit heavy... the t4...

Agree the t6 versions are a bit heavy... the t4 versions I suggested are lighter but probably not as light as the MP's...

I merely suggested the 472 t4 Borgs as they are a suitable match to what...
Forum: Pontiac - Race 04-17-2014, 04:57 PM
Replies: 123
Views: 7,507
Posted By BruceWilkie
Good advise... A pair of S472's with the 83mm...

Good advise... A pair of S472's with the 83mm turbine wheel (T4 housing)would make a very nice match.(IMO) IIRC the std configuration uses a 1.10 AR but .9 or 1.0 might be a better pick. A single...
Forum: Pontiac - Race 04-15-2014, 09:05 PM
Replies: 123
Views: 7,507
Posted By BruceWilkie
A choked exhaust port does you no favors... too...

A choked exhaust port does you no favors... too small or too large a pipe between ports and turbo each have drawbacks though.

What you want to keep in mind is pressure differential... nothing...
Forum: Pontiac - Race 01-30-2014, 11:23 PM
Replies: 123
Views: 7,507
Posted By BruceWilkie
IMO 11:1 with iron heads is pushin things if you...

IMO 11:1 with iron heads is pushin things if you get beyond mild amounts of boost... Watch your charge temps(intake manifold) and use water injection... Usually 50/50 water meth... but I'd be...
Forum: Pontiac - Race 01-22-2014, 10:12 PM
Replies: 123
Views: 7,507
Posted By BruceWilkie
Big Nate about summed it up... how much...

Big Nate about summed it up... how much compression is determined by a bunch of factors... manifold air temp(compressor discharge temp) chamber layout, A/F ratio, cylinder to cylinder variations,...
Showing results 1 to 7 of 7

 
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