a heat rating of 7 should be suitable for 650-700hp, 8 = 750-800hp = we have 11s :-D but the car is running over 1100hp, so have to buy 36 sparkplugs for 3 runs in August.323ian wrote:I think it is heat grade 7, is that correct for a stage 1 skyline running 1bar?
Ask About HKS parts here
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1100!!Drag and Drift wrote:a heat rating of 7 should be suitable for 650-700hp, 8 = 750-800hp = we have 11s :-D but the car is running over 1100hp, so have to buy 36 sparkplugs for 3 runs in August.323ian wrote:I think it is heat grade 7, is that correct for a stage 1 skyline running 1bar?
Looking forward to seeing the dyno sheet for that one :thumb: Do you use a twin spark plug set up Rick or have you got two RB's in there?

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07733 527430
stuart@auto-genie.co.uk
Valeting, detailing and undersealing
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1100!!stuartstaples wrote:Drag and Drift wrote:a heat rating of 7 should be suitable for 650-700hp, 8 = 750-800hp = we have 11s :-D but the car is running over 1100hp, so have to buy 36 sparkplugs for 3 runs in August.323ian wrote:I think it is heat grade 7, is that correct for a stage 1 skyline running 1bar?
Looking forward to seeing the dyno sheet for that one :thumb: Do you use a twin spark plug set up Rick or have you got two RB's in there? ]
Can do better than that mate, how about the timing slip.....Car weighs 1450kg
1 x cement filled HKS RB28, with 2 x modified TD06-25G turbos, Sequential transmission , Nitto 555R tires. Every run @ 2.3 bar spark plus out and checked, compression check, New ones go in


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Just finished talking with Isono san, He said the fuel rail will not work on the stock manifold, however an endless-r manifold (sold out) although they have 2 for themselves, or Greddy manifold is fine, the single throttle is needed.kev@tkl wrote:any answers on this drag&drift?gary@apt wrote:sorry to piss on your chips but im sure hks fuel rail only cover one sr20det and thats in the ps13
that one wont fit the s14,s14a or s15
Here is Houda san from Endless S14A, they are using the greddy fuel rail.

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